Questions Asked on
September 16, 2014

Business statistics
A new drug that treats patients with anxiety has a 60% success rate in improving the patient’s condition. For a random sample of eight patients taking this drug, determine the probability that: 4.2.1. four patients have improvement in their condition.
asked by Nthabiseng 
Language Arts
Select the answer choice in which the two short sentences are combined using a subordinating conjunction. Vivian is on a diet. She is eating less pasta. A. Vivian, who is on a diet, is eating less pasta. B. Vivian is on a diet and is eating less pasta. C.
asked by Gwen 
algebra
graph shows the equation c = 10+ 3t, where c is the total cost of going to the carnival and t is the number of $3 tickets purchased?
asked by jasmine 
6th Grade Math
Marianne buys 16 bags of potting soil that comes in 5/8 pound bags. A. How many pounds of potting does Marianne buy? 10 B. If Marianne’s father calls and says he needs 13 pounds of potting soil, will 4 more bags be enough to cover the extra soil needed?
asked by Mark 
Algebra
Sis the set of prime numbers that are less than 15. My answer is 2,3,5,7,11, and 13
asked by Paula 
Need Help with Math
Name three different pairs of fractions that have the same product when multiplied.
asked by Miguel 
Bio Chem
The pKa of propanoic acid (propionic acid), CH3CH2COOH, is 4.87. Consider an equilibrium mixture of propanoic acid and its conjugate base with a pH of 4.87. Draw the structure of the form (acid or conjugate base) that predominates after a decrease in [H3O
asked by Cristy 
science
A drinking glass at a crime scene contains a clear colorless liquid that may be water or alcohol. As the investigator, you know that the densities of alcohol, water, and ice are 0.79g/mL, and 0.92/mL. Design a simple method to determine the identity of the
asked by Brianna 
curriculum
Which approach is most likely to enhance children's ability to classify objects? A. Explain in detail what attributes are and how they vary and quiz children about their comprehension of this instruction. B. Provide the materials that could be classified
asked by Daniela 
Sixth Grade Simplest Form
Im having a hard time trying to solve this problem. Can someone please help me? Marcial found a recipe for fruit salad that he wanted to try to make for his birthday party. He decided to triple the recipe. 3 1/2 cups thinly sliced rhubarb 15 seedless
asked by SARA 
math
Two fifths of the instruments in the marching band are brass, one third are percussion, and the rest are woodwinds. A)What fraction of the band is woodwinds? B)One half of the woodwinds are clarinets. What fraction of the band is clarinets? C)One eighth of
asked by Kymmy 
physics
A mortar fires a projectile at an angle of of 30 degrees above the horizontal with a velocity of 500 m/s. A soldier spots a tank to be travelling in the direction of the mortar at a constant the rate of 4 m/s. How far should the tank be from the mortar
asked by Strom 
language arts
At the end of her aunt's story in “The StoryTeller," the older girl asks whether the girl in the story would have been rescued even if she had not been good. what does she seem to think is the theme of her aunts story? what detail in the aunt's story
asked by skyler swedeen 
Analytical Chem
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.390. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. I know the following is what needs to be done, but im unsure of how to go about it.
asked by Anonymous 
OChem
The solubility of acetanilide is 3.53 g in 100 mL of chloroform at 0 °C, and 29.1 g in 100 mL of chloroform at 60 °C. What is the maximum percent recovery that can be achieved for the recrystallization of acetanilide from chloroform? Hint: During a
asked by A Giles 
maths
In a rhombus length of diagonal are 400m,410m
asked by shruti sharma 
P.E
Which of the following is NOT a warning sign of depression that may lead to suicide? A. Being sad about your friend moving away 3 weeks ago B. A change in appetite for the last 3 months C. Difficulty concentrating this semester D. Quitting the 4H club
asked by Gwen 
chemistry
the maximum speed recorded for a giant tortoise is 0.11 m/sec. How many miles could a giant tortoise travel in 5.0 hrs?
asked by Anonymous 
Trigo
A vertical pole is standing on a slope that is inclined at an angle 8 degrees to the horizontal and casts a shadow that is 82 ft. long down the slope. How tall is the pole if the angle of elevation of the sun is 28 degrees?
asked by Nik 
phys
A motorist is driving at 20m/s{\rm m/s} when she sees that a traffic light 200m{\rm m} ahead has just turned red. She knows that this light stays red for 15s{\rm s} , and she wants to reach the light just as it turns green again. It takes her 1.0s{\rm s}
asked by Av 
Language Arts
Which revision to sentence 3 contains an example of vivid description? 1) Tess turned and faced the podium. 2) She knew that once she walked up to the microphone, she would have to make a statement. 3) She thought a moment. A. She thought hard for a moment
asked by Gwen 
Physics
Assume the length of an organ pipe is L=24cm. You have excited the wave in the tube, and you observe that it has displacement nodes at 4cm, 12cm, and 20cm measured from one end of the pipe. In which harmonic, n, is the air in the pipe oscillating? What is
asked by Bryan 
World History Answer CheckHelp me!
1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and
asked by Victoria 
Physical Science
please help me understand this question If measurements of a gas are 50L and 300 kilopascals and then the gas is measured a second time and found to be 75L, describe what had to happen to the pressure (if temperature remained constant). Include which law
asked by Amber 
chemistry
What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)> 3CO2(g) +4H2O(g) A. 115g C3H8 B. 1.86g C3H8 C. 5075g C3H8 D. 346g C3H8
asked by Hideko 
Science!
If a bowling ball were moved from Earth to the moon, how would it's weight and mass change? A. The bowling ball would weigh the same, but it's mass would increase. B. The bowling ball would weigh the same, but it's mass would decrease. C. The bowling ball
asked by beau 
math
why are some numbers easier to add than others
asked by Anonymous 
analogies
Open is to close as retreat is to. I'm not sure if pursue could be the right answer
asked by kenneth 
History
which of the following was important about the city of savannah in the settlement of early Georgia A. it was laid out in a beautiful and orderly manner b. It was on a high bluff which was good for defense c. It was on the water d. all of the above ******
asked by HELP MEEEEE 
math
Two fifths of the instruments in the marching band are brass, one third are percussion, and the rest are woodwinds. A)What fraction of the band is woodwinds? B)One half of the woodwinds are clarinets. What fraction of the band is clarinets? C)One eighth of
asked by Kymmy 
differential calculus
ADIABATIC EXPANSION when a certain polyatomic gas undergoes adiabatic expansion,its pressure p and volume V satisfy the equation pV^1.3 =k,where k is constant.Find the relationship between the related rates dp/dt and dV/dt. this is a problem of related
asked by =) 
physics
A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 15m/s{\rm m}/{\rm s} when the hand is 2.0m{\rm m} above the ground.How long is the ball in the air before it hits the ground? (The student moves
asked by Av 
Corporate Finance
A 15year annuity pays $1,750 per month, and payments are made at the end of each month. If the interest rate is 10 percent compounded monthly for the first seven years, and 6 percent compounded monthly thereafter, what is the present value of the annuity?
asked by Angela 
math
The ratio of girls to boys in the junior high band is 5 to 7. At the beginning of the year, there were 72 students in band. By the end of the year the ratio of girls to boys was 3 to 4. If there are now 48 boys in the band how many girls joined the band
asked by Anonymous 
Mathe
18:162::36:?
asked by Anonymous 
college algebra
The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring
asked by Anonymous 
College Physics
A heart pacemaker fires 66 times a minute, each time a 27.0–nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage. What is the value of the resistance?
asked by Van 
history
What is the significane or meaning of this quote by Charles Crocker, "They built the Great Wall of China, didn't they?"
asked by Scotty 
Solve. W rite each answer in simplest form.
Erin buys a bag of peanuts that weighs 3/4 of a pound. Later that week, the bag is 2/3 full. How much does the bag of peanuts weigh now? Show your work
asked by Lindsey 
College Physics
After 2.5 time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C, charged through a resistance R?
asked by Van 
college algebra
The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring
asked by Anonymous 
Urgent Spanish Check
_________ postres son deliciosos. El, La, or Las? La?
asked by Katt 
c
A hose can fill a swimming pool in 4 hours. Another hose needs 9 more hours to fill the pool than the two hoses combined. How long would it take the second hose to fill the pool?
asked by Anonymous 
curriculum
What are the differences between the responsive component and the productive component in the aesthetic domain? A. Appreciation of natural beauty, appreciation of the fine arts, and the ability to form judgments and preferences are all a part of the
asked by Daniela 
differential calculus
ANGLE OF ELEVATION A balloon rises at a rate of 4 meters per second from a point on the ground 50 meters from an observer.Find the rate of change of the angle of elevation of the balloon from the observer when the balloon is 50 meters above the ground.
asked by =) 
Science
A student hypothesizes that a goldfish will be more active in a bowl that has red gravel than in a bowl with grey gravel. To test this hypothesis, the student places on goldfish in a bowl with red gravel and another in a bowl with grey gravel. The color of
asked by Gwen 
Science! Help!
A student hypothesizes that a goldfish will be more active in a bowl that has red gravel than in a bowl with grey gravel. To test this hypothesis, the student places on goldfish in a bowl with red gravel and another in a bowl with grey gravel. The color of
asked by Gwen 
physics
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 200m during the second 4.8s of its motion. How far did it travel the first 4.8 seconds
asked by cynthia 
Language Arts
According to the word history, salute comes from a greeting that references. A. The weather B. The time of day C. Someone's job position. D. Someone's wellbeing Is the answer C?
asked by Gwen 
Science
Which component of the technological system is achieved when an automobile airbag inflates? A. Input B. Feedback C. Process D. Output Is the answer B?
asked by Gwen 
math
This is the question and what I have so far is under it. "Given the length of a femur, f, in centimetres, a person’s height can be determined using the equation H=2.4f+61.4, where H is the height of the person in centimetres. Suppose this equation has a
asked by Anonymous 
college algebra
A contractor leans a 23foot ladder against a building. The distance from the ground to the top of the ladder is 7 feet more than the distance from the building to the base of the ladder. How far up the building is the ladder to the nearest tenth of a
asked by Anonymous 
Physics
A car makes a trip due north for threefourths of the time and due south onefourth of the time. The average northward velocity has a magnitude of 25 m/s, and the average southward velocity has a magnitude of 32 m/s. Taking northward to be the positive
asked by Dakkota 
Language Arts
Information in an entry tells you that salute A. Is used only by military personnel. B. Can be used as both a verb and a noun. C. Can be used as both a verb and a noun. D. Is used as a verb but also never as a noun. Is the answer C?
asked by beau 
Science
the density of liquid mercury is 13.53 g/cm3.The density of a solid copper is 8.96 g cm3. would you expect a piece of copper to sink or float when placed in a container of liquid mercury?
asked by Brianna 
statistics
The researcher in exercise 2 decides to conduct the same study using a within participants design to control for differences in cognitive ability. He selects a random sample of subjects and has them study different material of equal difficulty in both the
asked by adrienne 
English
Has anybody read "A Sound of Thunder" by Ray Bradbury? I have, but I just want some confirmation on a couple of sentences.
asked by Anonymous 
Social Studies
Which european country originally dominated what is today florida and southern georgia? A. Spain B. England C. France D. Portugal I think D?
asked by Amber 
math
Russell planted a flower bed that is 1.6 square meters Jackie planted a flower bed that is 16 tenths square meters. Draw a quick picture to model the two areas
asked by omolewa 
chemistry
Calculate the pH and pOH of each of the following aqueous solutions of strong acd or base: (a) 0.010 M HNO3(aq) (b) ) 1.0 x 103M Ba(OH)2(aq) (c) 10.0 mL of 0.22M KOH(aq) after dilution to 250 mL (d) 100 mL aqueous solution containing 050 g of Ba(OH)2 (aq)
asked by imelda 
Trig
A planes actual resulting ground speed and direction are 550 mph and N26E. A wind is blowing from the northeast. If the pilot is holding a course of N27E how fast is the wind blowing?
asked by John 
Language Arts
Imagine the plot of the story in which two characters are lost in the mountain's as darkness falls. Which of the following events would intensify the suspense in this story. A. The characters hear a bird singing in the distance. B. One of the characters
asked by beau 
Physics
1. An 80.0kg astronaut is floating at rest a distance of 10.0 m from a spaceship when she runs out of oxygen and fuel to power her back to the spaceship. She removes her oxygen tank (3.0 kg) and flings it into space away from the ship with a speed of 15
asked by Ryzza 
Calculus
Calculate the average rate of change of the given function f over the intervals [a, a+h] where h=1, 0.1, 0.01, 0.001, and 0.0001. I have no clue how to do this. Any help would be appreciated. Thanks I know I use the formula f=f (a+h)  f (a)/h Then do I
asked by John 
chem 2
solution is made by adding 0.100 mole of ethyl ether to 0.350 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20°C are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20°C (assuming ideal
asked by Anonymous 
Math
You complete 3 centimeters on your necklace in an hour. Each hour after the first,you triple the length of the necklace. Write an expression using exponents for the length of the necklace after 3 hours.Then find the length.
asked by Mark 
Social Studies
John Locke believed that if government does not protect natural rights, then.. a) Citizens know the government is working because they have safety. b) It breaks the social contract and people can create a new government. c) Citizens should combine the
asked by Sarah 
trig
A planes actual resulting ground speed and direction are 550 mph and N26E. A wind is blowing from the northeast. If the pilot is holding a course of N27E how fast is the wind blowing I'm just stumped. It's an extra credit question is basically why I'm
asked by John 
Check This Statistics Homework
1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions about how a country’s citizens in general feel about the war in Iraq. At this point, is the reporter mainly concerned with data production, displaying and
asked by Beck J 
College Physics
What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after the power goes off? (DATA: Assume that the resistance of all the components of the computer mother board is 5 Ω and it uses a 5
asked by Van 
chem
A cubic piece of metal measures 3.00cmcm on each edge. If the metal is nickel, whose density is 8.90 g/cm3{\rm g/cm}^3, what is the mass of the cube?
asked by dae 
Algerbra
Human body temperatures are normally distributed with a mean of 98.20°F and a standard deviation of 0.62°F if 19 people are randomly selected find the probability that they're mean by temperature will be less than 98.50 degrees Fahrenheit
asked by Kayla 
Math
Decide whether each equation has one solution, no solution, or infinitely many solutions. 2(x3)=2x A. One Solution B. No solutions C. Infinitely many solutions Is the answer A?
asked by Gwen 
Curriculum
Which of the following activities represents the democratic portion of the social studies curriculum? A. Children make a family tree. B. Children learn the layout of the grounds surrounding their classroom. C. Children vote on a name for a class gerbil. D.
asked by Daniela 
differetial calculusrelated rates
LINEAR VS ANGULAR SPEED A wheel of a radius 30 centimeters revolves at a rate of 10 revolutions per second.A dot is painted at a point P on the rim of the wheel. a)find dx/dt as a function of ϴ. b)use a graphing utility to graph a function in part (a)
asked by =) 
phys
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.0s{\rm s} later.What was the rocket's acceleration?
asked by Av 
Physics
A thin straight wire 20 cm in length carries a charge of one microcoulomb. Calculate the electric intensity and potential at a point P on the axis of the wire at a distance of 30 cm from the mid point of the wire.
asked by Atanu 
science
In general, what would a scientist do after forming a testable question? A. Design an experiment B. Develop a hypothesis C. Draw a conclusion D. Analyze data I think A because he has already done his hypothesis (my original answer. if not, B.
asked by SkatingDJ 
math
A and B weigh 156 pounds. A and C weigh 171 pounds. How much do they each weigh if the total weight is 255 pounds?
asked by Zac 
chemistry
A small quantity of hydrochloric acid and a large quantity of limestone chips (CaCO3) are reacted on a beaker, which was placed on the pan of a balance. The mass of the beaker and its contents were recorded every half minute. (a) Write a chemical equation
asked by Shane 
math
The researcher in exercise 2 decides to conduct the same study using a within participants design to control for differences in cognitive ability. He selects a random sample of subjects and has them study different material of equal difficulty in both the
asked by adrienne 
physics
A person of mass 60 kg is standing on a raft of mass 40kg in a lake. The distance of a person from bank is 30m. If a person starts running towards bank with velocity 10m/s then his distance from bank after 1s will be ?? And explain with diagram and proper
asked by saira 
english
what does this sentence mean? He would take her there, of course, for he wasn't such a coward that he would mind a little exploring now and then farther in amongst the everdarkening columns of the tall pines. How would you answer this question according
asked by miller 
chem
if 2.19e9 mol of 176W emits 1.07e15 beta particles in 1 hour. what is the decay constant? how do i go about doing this? i know the equation 0.693=kt(1/2) but i don't think that is helpful here
asked by sara 
physics
what is the pressure exerted on the ground by a cube which has a weight of 600n and a side of 1m
asked by jemimah 
Physics
How do you convert a distance time graph to a velocity time graph. In my first distance time graph, i have 3 curves, two are above the x axis the the middle curve is under the x axis. i am confused on how to change this graph into a velocity time graph
asked by Ruth 
Calculus
I do not understand what this question is asking and how to get the result for it: "Suppose we have a metal bar of length L0 metres at temperature T0 in degrees Celsius.When the bar is heated or cooled, the length of the bar changes. The amount that the
asked by Anonymous 
physics
A particle is traveling in a straight line at a constant speed of 27.3 m/s. Suddenly, a constant force of 14.3 N acts on it, bringing it to a stop in a distance of 56.4 m.
asked by Anonymous 
PLEASE CHECK ASAP
Thanks for checking 1.D 2.C 3.B 4.C 5.C 1.According to "Michael Faraday's World," which intrigued Michael Faraday? A.automobiles B.airplanes C.photography D.batteries 2.How are the operating room in the Williams story and the atomsplitting lab in the
asked by Matt 
Geometry
1)Line RS bisects PQ at point R.find RQ if PQ =14 centimeters. 2)line JK Bisects MN at points J. Find MN if JM = 6 3/4 feet. 3) point T bisects UV IF UT = 4 1/2 yards.
asked by Kirandeep 
english
One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. B. After the rain ended, the sky became blue. C. Jenny
asked by Anonymous 
statistics
A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th percentile? Assume a normal distribution. how would I solve? a. 90.00 b. 112.00 c. 103.36 d. 91.00
asked by Nicole 
math
0.9 x 5.2 / 0.2 x 25 = ? + 120
asked by der 
Math
A ball is thrown up at the edge of a 550 foot cliff. The ball is thrown up with an initial velocity of 87 feet per second. Its height measured in feet is given in terms of time t, measured in seconds by the equation h = 16 t^2 + 87 t + 550 a. How high
asked by Irina 
Algebra 1
So I attempted this and I'm not sure if it's the correct answer  and I don't know how to graph it.. Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected.
asked by lost 
physics
An electric motor runs at a constant rotational frequency of 3000 r/min and has the load of 75 Nm and a 5,0 Nm extra load of friction and gear. The efficiency of the motor is 78%. a) What is the input power of the motor? b) What is the work done by the
asked by ade 
Social Studies
1. Which of the following is NOT a reason that Oglethorpe and the trustees wanted to start the colony of Georgia? A. to help the poor who could not pay their bills B. to help the englich economy C. to form large plantations D. to provide defense I think A
asked by Amber 
Social Studies
2. Which of the following is NOT one of the regulations about land grants that the trustees put in place in Georgia? A. Deserving poor could farm fifty acres B. Men would serve in the Miltia if Necessary C. Farmers were allowed to own slaves D. Tools and
asked by Amber 
algebra
The odometer on your family car reads 20186.7 after going 62.3 miles.how many miles were on the odometer before going 62.3 miles?write an expression
asked by Anonymous 
spanish two
directions: answer the questions using the double object pronouns. example quien te compro esos zapatos? mi tio is the person buys. this is for my question.
asked by ana 
maths
the scale of a map indicates that 2 inches equals 5 miles. if the distance on the map between a school and a house is 12inches apart, what is the actual distance between the two buildings?
asked by harrison 
algebra
an astronaut who weighs 85 kilograms on the earth weighs 14.2 kilograms on the moon. how much would a person weigh on the moon if they weigh 95 kilograms on earth? round your answer to the nearest tenth.
asked by kelvon 
math
The ratio of girls to boys in the junior high band is 5 to 7. At the beginning of the year, there were 72 students in the band. By the end of the year, the ratio of girls to boys was 3 to 4. If there are now 48 in the band, how many girls joined the band
asked by tina m 
Science
aluminum has a density of 2.7g/cm3 while copper has a density of 8.96g/cm3. Which metal would you choose to build a model airplane? why?
asked by Brianna 
Social Studies
Imagine your local police arrest a person suspected of robbing many homes and stored. This is an example of how government.. a) abues the power citizens give to it. b) makes laws throught representatives. c) fulfills its promise in the social contract. d)
asked by Sarah 
History 11
I am not getting a clear answer. I show what I think is correct: Which of the following is a successful result of the Reconstruction? states could limit voting rights in elections more African Americans could go to school segregation kept the races apart
asked by Sandra 
Urgent Spanish Check
Hay (There are) ________ gatos en la casa. Las?
asked by Katt 
Calculus
find an equation of the tangent line to the graph of the function f through the point (xsub0, ysub0) not on the graph. TO find the point of tangency (x,y) on the graph of f, solve the equation ....
asked by Anonymous 
Chem Extraction of Caffeine from Tea
When doing your extraction you were asked to vent your extraction funnel occasionally during the extraction. Why? You were instructed not to shake the extraction layers too vigorously. Why? What type of compound could cause the layers not to separate
asked by Josh 
HISTORY
why didn't the puritans celebrate Christmas? I read somewhere that it was because one guy banned it but I'm not sure if that's true.
asked by Anonymous 
Art
What are the nine principles of design?
asked by Marshayna 
Math
Russell planted a flower bed that is 1.6 square meters. Jackie planted a flower bed that is 16 tenths square meters. Draw a quick picture to model the two areas.
asked by Maricris 
introduction to economices
Explain the idea of SE and IE
asked by Thuviraj 
college algebra
A jazz group on tour has been drawing average crowds of 600 people. It is projected that for every $1 increase in the $15 ticket price, the average attendance will decrease by 60. At what ticket price will nightly receipts be $7,560?
asked by Anonymous 
Math
5(8)
asked by Anonymous 
Social Studies
3. Which of the following are true about the system of mercantilism? A. It maintains a favorable balance of trade B. The colony produces materials that the mother country cannot produce C. The prosperity of the country as a whole is more important than the
asked by Amber 
Physics
A glider of length 10.1 cm moves on an air track with constant acceleration. A time interval of 0.732 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a
asked by Heather 
Math
The rectangles on a quilt are 4 in. wide and 5 in. long. The perimeter of each rectangle is made by a pattern of green thread. If there are 40 rectangles in the quilt, how much green thread is needed?
asked by Anonymous 
differential calculus
a SECURITY CAMERA is centered 50 feet above a 100foot hallway. it is easiest to design the camera with a constant angular rate of rotation, but this results in a variable rate at which the images of the surveillance area are recorded. so, it is desirable
asked by =) 
Finance
Briefly discuss the concept of relevant cash flows when evaluating a new project
asked by Bassem 
math
A car going 60 miles per hour set out on a 400mile trip at 12:00 P.M. Exactly 20 minutes later, a second car left from the same place and followed the same route. How fast, in miles per hour, was the second car going if it caught up with the first car at
asked by Irene Wu 
Social Studies
From which of the following Native American periods has the least evidence been found in Georgia? A. PaeloIndian B. Archaic C. Woodland D. Mississippian
asked by Amber 
math
Frank is 5 years older than Mary. In 5 years, Frank will be twice as old as Mary is now. How old is Mary now?
asked by Irene Wu 
trigo
An airplane travels on a bearing of 245 degrees at an airspeed of 200 kilometers per hour while a wind is blowing 50 kilometers per hour from 140 degrees. Find the ground speed of the airplane and the direction of its track, or course, over the ground.
asked by thomas 
Business Letter Evaluation
Should I make any alternations? "To whom it may concern: I am inquiring about your grainbased product line. I already know that the products are glutenfree. However, I was wondering whether the grains used for this line are nonGMO. I understand your
asked by Victoria 
physics
What physics is involved for a passenger feeling pushed backward into the seat of an airplane when it accelerates along the runway during takeoff?
asked by Janice 
math
¿Cuanto le sobra a la mitad de los 3/8 de 5/6 de 24 para ser igual al exceso de 5/2 sobre 1/4 ?
asked by Anonymous 
Physics
A hotair balloon is rising upward with a constant speed of 2.53 m/s. When the balloon is 5.82 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked by Dakkota 
math
Write an algebraic expression the sum of a number and 9 ans: x+9
asked by need help 
Physics
Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 515 m in 229 s. Assume that they are moving in the +x
asked by Dakkota 
Math
A number and its absolute value are equal. if you subtract 2 from the number, the new number and its absolute value are not equal.What do you do about the number?What is possible number that satisfies these conditions?
asked by Sam 
math
How to write math paragraph for k+8=5 and, w+12=5 8th grade
asked by Anonymous 
Math
Decide whether each equation has one solution, no solutions, or infinitely many solutions. 3(y3)=2y9+y A. One solution B. No Solutions C. Infinitely many solutions I did 3*y 3*3=9 2y=9+4 3*=6 x27 Is the answer A?
asked by Gwen 
hmsa
Use the fact that speed of light in a vacum is about 3.00×10 to the 8 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 1.5 hour (s)
asked by lenworth 
PreCalculus
Hi! I'm having trouble with this math question; can someone help? Thanks! :) Given the function f(x)=x^2+9, solve. a.) Find f(3) b.) Find f(x2)
asked by Tiffany 
English
For one of my homework assignments I had to read 3 different narratives. I then had to choose one of the narrative essays that I had read and explain what the point is with that essay. Can you please read over my answer and let me know if their are any
asked by Sandy 
Math
Ashley runs around the following track. How many times must she run around the track in order to run a total distance of 4 km? measurements: 100m and 60m
asked by Brianna 
Early Childhood Education
Inventive spellers typically: A. write only words they are certain can be spelled correctly. B. never learn conventional spelling. C. omit consonants in words. D. progress through a series of stages. Is the answer D.?
asked by Sarah 
Math
Confused on these but these are my answers. *Not multiple choice* 1) 18 + 4 + x = 9  19 *my answer is 10* 2) 32  6x + 7x = 15 + 28 *my answer is 13* 3) 4x + 5(x 2) = 16 + 10 *my answer 4* 4) 4.8 + x 5.9 = 3.6 * my answer 4.7* 5) 1/3x + 1/3 (2x 
asked by Anonymous 
English
I have to write a 500750 word essay using exemplification as a method of development. This is my first draft. Can someone proof read this for any errors and help let me know the areas that I need to work on. Do you think this is a good Exemplification
asked by Sandy 
Life orientation
What are the factors that cause lack of basic services? Plz help me.
asked by Success 
Math
A company has determined that the profit, in dollars, it can expect from the manufacture and sale of tennis racquets is given by P = −0.01x2 + 130x − 180,000. How many racquets should the company manufacture and sell to earn a profit of $174,900?
asked by Barbara 
math
If k/x=b and b3=ay, which of the following correctly expresses y?
asked by Irene Wu 
College Physics
What is the internal resistance of a 15.0 V car battery whose terminal voltage drops to 13.40 V when the starter draws 50.1 A? What is the resistance of the starter?
asked by Van 
math
The length of an arc of a circle equals 1/8 of the circle's circumference. What is the diameter of the circle if the length of the arc is 3.14?
asked by Irene Wu 
math
How do I draw this out I am confused? The bridge forms parabolic arch. The span of the arch is 60 m and its center is 10 m above either end. (1) draw sketch of arch, include x and y acts where the vertex is at the origin. Is 10 m the axis of symmetry? What
asked by Ayane 
College Physics
An uncharged 3.20μF capacitor is in series, through a switch, with a 5.55M Ω resistor and a 36.0 V battery (with negligible internal resistance.) The switch is closed at t = 0 and a current of Ii immediately appears. Determine Ii. How long will it
asked by Van 
Biology
In terms of energy, what is the difference between glucose and ATP?
asked by Sara 
Biology
Explain the role of a hypothesis in a scientific investigation
asked by Sara 
biology
Which of the following would NOT likely have occurred without the evolution of photosynthetic organisms? A. Life would be much less diverse. B. Most organisms would have gone extinct due to the increase in oxygen. C. Mitochondriacontaining cells would not
asked by Mike 
math
How do I draw this out I am confused? The bridge forms parabolic arch. The span of the arch is 60 m and its center is 10 m above either end. (1) draw sketch of arch, include x and y axes where the vertex is at the origin. Is 10 m the axis of symmetry? What
asked by Ayane 
Physics
1. An airplane is flying with the velocity of 459km/h [E40S], however its ground velocity is 498km/h [E24S]. Determine the velocity of the blowing wind. (Use the vector subtraction diagram and geometry to solve this question). I drew a diagram and tried
asked by Tayyabah 
Math
There are a few red and a few green balls in a box, Blind folded, you have to take out 7 balls to have a red for sure,and you have to take out 13 to have a ball from both colours for sure. How many green and how many red balls are there in the box?
asked by RIZ 
phy
An airplane has a mass of 3.41 × 104 kg and takes off under the influence of a constant net force of 3.58 × 104 N. What is the net force that acts on the plane's 89.0kg pilot?
asked by Anonymous 
Economics
The key feature of a market system is A. competition. B. profit. C. demand. D. supply.
asked by Tre 
Algebra 1Please, Check My Answers!
1. How did Mesoptamin and Egyptain city states develop concepts of law codes and divine kingship? 2. What was Charlemagne's influence on European civilization? Answers: 1. Hammurabi developed the concepts of law codes in Mesopotamia, while the pharaoh was
asked by Victoria 
science
suppose you place a 30kg weight 50cm from the pivot, where should the following forces be applied to lift the load (a)a 100N force (b)a 150N force
asked by yvonne 
science
Suppose you place a 30kg weight 50cm from the pivot where should the following forces be applied to lift the load a)a 100N force b)a 150N force 2)how far will the load in question 1 be lifted if: a)the 100N force moves downwards b)the 150N force
asked by yvonne 
Physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.56 m/s. The car is a distance d away. The bear is 26.6 m behind the tourist and running at 7.69 m/s. The tourist reaches the car safely. What is the
asked by Dakkota 
chemistry
the temperature of a substance ____ as its heat of fusion is added to melt the substance A. increases B. decreases C. remains constant D. fluctuates from rapid increases and decreases I think it's C
asked by Hideko 
Math
Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
asked by Anonymous 
science
dentify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. Consider how did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth
asked by januario 
Curriculum
The development of fine motor skills requires all of the following except A. criticism. B. maturation. C. practice. D. instruction. my answer is a.
asked by Daniela 
Calculus I
Suppose we have a metal bar of length L0 metres at temperature T0 in degrees Celsius.When the bar is heated or cooled, the length of the bar changes. The amount that the length changes is proportional to the product of the temperature change and the
asked by Anonymous 
math
what is the purpose of changing radicals to rational exponent and changing rational exponent to radicals?
asked by jessica 
HISTORY
The Pennsylvania Dutch (“Deutsch”) were A. Dutch settlers in Pennsylvania B. Pennsylvania settlers in Holland C. Catholics who moved from Holland to Pennsylvania D.wiped out by religious persecution E.a mixture of German Lutherans, Mennonites,
asked by Anonymous 
Language art
Are the words " knowledgable and "daring" nouns in the sentence " readers admire his knowledge and daring I think readers are nouns but why would knowledge and daring be nouns.
asked by Olga 
Physics
a football is kicked in 36 meter per second and 30 degree angle with land.After 1 second,how much it's velocity will ?
asked by Sabbir 
cross product
Explain how to solve the proportion 14/9=x/54 using cross products
asked by Armin 
Math
The profit in dollars in producing x items of some commodity is given by the equation P =  37 x^2 + 1073 x  7548 . How many items should be produced to break even? (If there are two breakeven points, then enter the smaller value of x. Your solution may
asked by Irina 
math
My 3 digit number has a 4 in the hundreds place.It has a greater digit in the tens place than in the ones place.The sum of the digits is 6.What is my number?
asked by Alvaro 
history
what ideas is about dividing government into legislative judicial and executive branches
asked by lina 
introduction to economices
How can the law of demand be explained with the help of SE and IE?
asked by Thuviraj 
Physics please help
How do I convert a distance time graph into a velocity time graph. I am given a distance time graph with three curves but i am not sure how to calcualte the area of them to get the velocity time graph.
asked by Dan 
physics
A block of weight 30.1 N is hanging from a rope. The tension in the rope is 18.8 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
asked by Anonymous 
physics
A block of mass 4.69 kg is hanging from a rope. The tension in the rope is 33.8 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
asked by Anonymous 
chemistry
Suppose you were instructed to prepare 100. g of 14.5% CaCl2 solution, you would need Blank 1 g of CaCl2 and Blank 2 g of water.
asked by Anonymous 
PHI208 week 4 media quiz
Of the following, which is the most estimate of the amount of days Phil Conners(bill Murray) was stuck in the loop? (From ground hog day)
asked by Jessica 
Corresponding Angles and Corresponding sides
What is true about corresponding angles and corresponding angles and corresponding sides of similar figures?
asked by Armin 
physics
Question: The swim portion of a triathlon takes place in a river and is an outandback course. The river has a steady current that is 0.400m/s and the athletes swim against the current for 750m before turning and swimming with the current for the second
asked by Sydney 
curriculum
Which of the following is is not likely to be an effective method of enhancing auditory skills? A. Asking children to follow a set of 20 verbal instructions B. Making available audio recordings of stories with interactive headphones C. Playing a game like
asked by Daniela 
math
Minnie has 6 country cds and 5 rock cds amanda has 5 rock cds and 6 country cds who has more cds explain
asked by sharon 
HISTORY
57. Among the motives behind England’s development of New World colonies were (circle three) A. overcrowded cities B. religious controversies C. unemployment D. Yankee stadium E. threats from Germany I think it's A, B, & C?
asked by Anonymous 
Organic chem Extraction of caffeine from tea
What is the name used for the mixture of the upper and lower layers that did not completely separate when you allowed the mixture to settle? What type of compound could cause the layers not to separate cleanly? If you obtained a poor separation of your
asked by Kimberly 
ChemExtraction Lab
Why is dichloromethane not a good choice for recrystallization of the caffeine? How could you determine that the product you had obtained was caffeine? Thanks!
asked by Nano 
spanish
quien le recomendo ese plato? su tio Su tio se lo recomendo. is the answer i first did. Mi tio me lo recomendo was the second. i am on the last allowed attempt and i am not sure what else to do.
asked by ana 
Math
12+9m=4(6m3) Can some one plz help me and show me how. To do this because I try so many things and got 2different answer
asked by Rian 
math
Michelle is now 50 miles ahead of John. Michelle is travelling at a constant rate. John is traveling in the same direction, at a rate 10 miles per hour faster than Michelle. In how many hours will John catch up to Michelle?
asked by Irene Wu 
Physics
A glider of length 10.1 cm moves on an air track with constant acceleration. A time interval of 0.732 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a
asked by Karen 
Statistics
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a
asked by Beck J 
health care administration
I need some advice on what are some health care products. The only thing I come up with is Qtips and liquid bandage. Any ideas? The assignment is how the four P's influences the success of the product. I know how to do this.
asked by mary 
Algebra 2
what is an equation for each vertical translation of y=2x1: 3/5 units up f) y=2x2/5 g) y=2x1/5 h) y=2x8/5 I) y=2x+1/5
asked by Alice 
high schol sarasota
cell theory
asked by pedro vasquez 
Algebra 2
what is an equation for the vertical translation of y=2x1: 3/5 units up f) y=2x2/5 g) y=2x1/5 h) y=2x8/5 I) y=2x+1/5
asked by Alice 
math
perform the division 57r^2+r^4/r^22
asked by jhaz 
Algebra
Express g(f(x)) and f(g(x)), if they exist, as sets of ordered pairs. f= {(3,8),(2,5),(4,5),(9,3)} g= {(9,2),(5,3),(5,9),(8,10),(1,9)}
asked by Anonymous 
Math
a camera's focal length, F, is related to the distance from the subject, S, and the image distanc, I, by the equation 1/S+1/I=1/F Please show all your steps! thanks you
asked by Sunny 
chemistry
25. Which of the two reactions, A or B is a neutralization reaction? Explain why. A. HBr + H2O = Br = H3O+ B. HClO + NaOH = NaClO + H2O 26. A. Look at the reaction again. when this reaction is reversed. Br + H3O+ = HBr = H2O what substance is the acid,
asked by Sierra 
math help
find the ratio of the volume to the surface area of the rectangular prism shown. L= 4x+8 W= x+2 H= 2x+4 please show all your steps please!!
asked by Sunny 
grammar
correct the ten mistake and write out the paragraph. the best girl at sport in the class is my best friend. last year she won two medals for swimming it was when we had a huge swimming gala at the bath in town. everyone in the lower school was there,and
asked by suhail azmi 
Math
160,656 underlined is 1
asked by Faith 
algebra II
need set notation for two step inequalities. problem is 45v5. if that's true, then how do u do set notation for answer? have 80 set notations to do and need to know how to do this by example
asked by lacy 
Math
2(ba) use a=4, and b = 4
asked by Anonymous 
business
i have a question about Montana's franchising. we were asked to find out about Montana's cookhouse ongoing fees and the profit and revenue for it. I cant find anything about it online. So i wanted to ask about approximately what would the numbers be
asked by miller 
college algebra
An advertising company orders a poster that is 342 square feet. If its length is 1 foot greater than its width, find the dimensions of the poster.
asked by Anonymous 
Scientific Method
Put the following in the correct order. Report results Determine if hypothesis is true Do background research Construct a hypothesis Collect data Analyze results and draw conclusions Design and implement an experiment State the problem / ask questions
asked by Please Help 
math
Area=3x2 +5x 2 FInd length and width of the rectangle
asked by Anonymous 
Life orientation
What are the factors that cause lack of basic services? Plz help me.
asked by Anonymous 
Virtual Newspaper, Feedback Please?
So I want to submit this for my Virtual Voice school paper. Any touchups I should do? September is awareness month for many illnesses. A purple ribbon represents many awareness’s as well. One of the many illnesses is called Chiari Malformation. Ever
asked by Katt 
Algebra
2x^4+9=3x+5 Round two decimals
asked by Anonymous 
Math
You have just isolated a new radioactive element. If you can determine its halflife, you will win the Nobel Prize in physic. You purify a sample of 2 grams.One of you colleges steals half of it, and 3 days later you find that 0.1 grams of the radioactive
asked by Eric 
World HistoryPlease, help me! (Ms. Sue)
1. How did Mesoptamin and Egyptain city states develop concepts of law codes and divine kingship? A: ? 2. What was Charlemagne's influence on European civilization? A: ?
asked by Victoria 
math
The markdown price of a computer game was $45.00, which represented 75% of the original selling price. What was the original selling price?
asked by Irene Wu 
Math
A doctor writes a prescription for 20 mg of Tobramycin antibiotic saline solution. The solution is to be injected intravenously one time a day. On hand we have a 30 mg/2 ml vial of Tobramycin.
asked by Jenise 
Math (Ms. Sue! my new answers)
My new answers! 3) 4x + 5(x 2) = 16 + 10 *my answer 6* 4) 4.8 + x 5.9 = 3.6 * my answer 4.7* 5) 1/3x + 1/3 (2x  15) = 3 1/2 * my answer is 3 9/15
asked by Anonymous 
chemistry
does the amount of rainy days in a month affect number of mosquitoes iv: amount of rainy days dv: number of mosquito
asked by anonymous 
math
A father can do a job in a certain number of hours. His son takes twice as long to do the job. Working together, they can do the job in 6 hours. How many hours does it take the father to do the job alone?
asked by Irene Wu 
ALG 1
art A: Explain why we do not measure the rate at which water flows out through a shower head in cubic meters per second? In your explanation, use reasoning based on appropriate units to model this situation. (5 points) Part B: What are the two quantities
asked by ALGEBRA HELP PLEASE 
PreCalculus/Trigonometry
Help please Which of the following is the equation of a line that passes through the points (2,5) and (4,3)? y = x + 7 y = x + 7 y = 2x + 5 y = 2x + 5
asked by Anonymous 
Chemistry Urgent Help Please!
Give two means other than crystallization from a solvent that may be used to purify an organic solid. Explain Pleaseeeee!!!!!!!!!!!!!
asked by Josh 
Math quadratic word problem
The base of a triangle is 4cm shorter than twice the altitude, find the dimensions if the area is 80sqcm. this is work x(2x4)=80 2x squared  4x=80 2x squared 4x80=0 (2x 8)(x10) =0 so x= 8 and x=10 my classmate told me its wrong so can you pls help
asked by Jenn 
math
what is the temperature at the top of the stratosphere if the sea level temperature was 22 degrees and air temperature decreases 6 degrees every 1km
asked by hailey 
Algebra
U = 1,2,3,4,5,6,7,8,9,10 Q=3,6,9 What is Q prime? My answer is 1,2,4,5,7,8,10
asked by Paula 
College Physics
A circuit consists of 3 components connected between 2 terminals: A 6 V source, a 90 Ω resistor and a 0.01 F capacitor. The capacitor is initially uncharged. The voltage source is turned on. What is the voltage across the capacitor after a very long time?
asked by Van 
Poetry Check Please?
In my writing group, we all received something to write a poem about, and a paragraph or so on why we did how we did. I received Depression/Suicidal Thoughts. Suicide Love Letter This is a love letter To my blade Thank you honey For showin me im sane This
asked by Katt 
Physics
Force acting on conductor when placed in magnetic field from east to west horizontal component is 3.0 and current is 10A
asked by Anonymous 
Chemistry
A runner's average stride length is 41 inches. She takes 28 strides in 10.0 seconds. How many minutes does it take her to run 5.0 km?
asked by Sara 
math
Find the missing number please 1,8,27,?,125
asked by wa 
Algebra
Write the solution to the inequality in set builder notation. 9t  4 > 32 My answer is (t I t > 4)
asked by Faye 
Chemistry
To drain a round swimming pool that is 18.0 ft wide and 3.75 ft deep, a worker uses a pump that can move 7.58 gallons of water per minute. how many minutes will it take to drain the swimming pool?
asked by Sara 
Math
Betsy is making a flag. she can choose 3 colors out of red, white, blue, and yellow. How many choices does she have?
asked by Dot 
Finance
we have two stocks Stock A and Stock B, Both stocks have the same expected rate of return 11%, but have different Standard Deviation 12%, and 20% respectively. based on the information above can we conclude that any rational riskaverse investor will add
asked by Bassem 
Math
1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *my answer
asked by Anonymous 
math
If the area of something is known how do you find the length?
asked by Anonymous 
Math Proof:
Let a,b exist in the reals with a
asked by Ashley 
math
What does least common multiple mean
asked by kene 
Chemistry
Find the theoretical and actual yield of 25.0g Pb(NO3)2+15.0g2NaI=PbI2+2Na(NO2)
asked by Lillian 
algebra
trinomal and binomial help please (s^2+4) (s1)=
asked by seymone 
Math
Round two decimals 2x^4+9=3x+5
asked by Anonymous 
math
x^318x^2+80=0
asked by Anonymous 
Math
Problem: Given any 3 noncollinear points, find the equation of the circle that contains them. 1. You need to select 3 noncollinear points, to use in the solution. The first point will be in quadrant 1, so choose a point with x and y coordinates between 5
asked by Anonymous 
math
write an algebraic expression: the sum of a number and 9 ans: x+x+9
asked by need help 
math
Write an algebraic expression twice the sum of 15 and a number ans: 2(a+15)
asked by need help 
Math
Determine the sum of the infinite geometric series 28 + 14/3 + 7/9 + 7/54 ?
asked by Alex 
Algebra help
7x^2=8x Solve using the quadratic formula
asked by Anonymous 
Math
Consider the arithmetic series 7 + 19 + 31 + 43 + 55 + pr0041.jpg. a) How many terms are less than 1000? (3 marks  show your work) b) How many terms are less than 2000? (3 marks  show your work)
asked by Alex 
Coordinate Algebra
Write an equation in pointslope form for the line through the given point with the given slope. (5,4):m=3
asked by Anonymous 
Chemistry
What is the molar number of PbI2
asked by Cassidy 
MATH
4X/5+1/7=8
asked by ASHLEY 
maths
Find missing number 76,47,29,18,11,7, ?
asked by wa 
English
It doesn't pay for us to even touch the grass. What does "it doesn't pay for us" mean?
asked by Anonymous 
Coordinate Algebra
Suppose y varies directly with x. If y = 6 when x = −2, find x when y is 9.
asked by Anonymous 
Coordinate Algebra
A seedling grows at a rate of 1.5 cm each week. Before the seedling was planted in the ground, it measured 7 cm. Write an equation that model’s the flower’s height h after x weeks. What does the yintercept represent?
asked by Anonymous 
Sublette
An appellate court that hears an appeal on a money laundering case from a district court
asked by John 
Finance/Economics
You can invest your money in a taxable corporate bond paying 10% interest or a taxfree municipal bond paying 7% interest. Which would pay the higher after tax interest if you are in the 28% tax bracket?
asked by Mark 
Biology
Put the following in the correct order. Report results Determine if hypothesis is true Do background research Construct a hypothesis Collect data Analyze results and draw conclusions Design and implement an experiment State the problem / ask questions
asked by Please help 
business
identify three aspects of a company's financial health that stakeholders are interested in. Describe a financial ratio that is useful in measuring each aspect.
asked by gozokkun 
Math
Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
asked by Anonymous 
Math
Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
asked by Anonymous 
chemistry
What is the difference between two bunsen burner experiments?
asked by bing bong boo 
Geography
What can we infer about a country based on its GDP? Why is the HDI a better way to compare countries than other indicators above e.g gdp, primary school enrollement etc;
asked by Sally 
Curriculum
_______ awareness describes the perceptual motor skills most closely associated with understanding how the child's own body is in space (up/down, on/off). A. Balance B. Figureground C. Directional D. Temporal my answer is c.
asked by Daniela 
English
Rewrite: I went to town. Start with: Went.....
asked by richaj 
Curriculum
Which of the following is not something to be considered when selecting a theme for a particular group of children? A. The availability of resources B. The relevance of the topic to the children C. Curriculum requirements D. Whether it involves technology
asked by Daniela 
math
Confused!! None of these questions are multiple choice. 1) 18 + 4 + x = 9  19 2) 32  6x + 7x = 15 + 28 3) 4x + 5(x 2) = 16 + 10 4) 4.8 + x 5.9 = 3.6 5) 1/3x + 1/3 (2x  15) = 3 1/2 I have to find x for all of them, but I'm not sure what to do
asked by Anonymous 
math
give reasons of solving rational exponent or radicals in terms of, addition, subtraction, multiplication and division.
asked by jessica 
math
what is the importance of lowering the index of radicals?
asked by jessica