Questions Asked on
October 25, 2015

Math
Write a function rule that represents the sentence. C is 8 more than half of n. c=8+n/2****** c+8=n/2 c+8=1/2+n c=n/28
asked by Mike 
Is this right Ms Sue ???
Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search *** search for more than one topic narrow down your topic by combining words
asked by lilly 
Social Studies
Which two of the following are examples of Spanish influence on Albuquerque? The Spanish founded the village of Albuquerque. The annual hot air balloon festival came from a Spanish tradition. Most of Albuquerque's current buildings were built during the
asked by Mike 
Science/English
According to Al Gore in An Inconvenient Truth, how is wind power beneficial in the fight against global warming? a.) it uses wind panels to trap the power of the wind b.) it emits water vapor, which cools the atmosphere c.) it creates a vast amount of
asked by anon 
probability
Jodie tosses a biased coin and throws two tetrahedral dice.The probability that the coin shows a head is. Each of the dice has four faces, numbered 1, 2, 3 and 4. Jodie’s score is calculated from the faces that the dice lands on, as follows:if the coin
asked by Ataul 
Calculus
1. Calculate the population within a 7mile radius of the city center if the radial population density is ρ(r) = 5(5 + r2)1/3 (in thousands per square mile). (Round your answer to two decimal places.) 2. A population of insects increases at a rate 280 +
asked by Anonymous 
Social Studies
What was the National Reclamation Act of 1902 mostly concerned with? national parks land conservation********* water management military bases
asked by Mike 
Physics
W have three air carts (labeled #1, #2, and #3) on an air track. The carts are equipped with spring bumpers so that all collisions are elastic. The masses of the carts are m1 = 5m, m2 = 2m, and m3 = m. Initially, cart #1 is given a velocity to the right of
asked by Whitney 
Social Studies
Which person would benefit most from the policies of the Carlsbad Irrigation District? a construction investor in Roswell a Navajo in northwestern New Mexico a businessperson in Albuquerque a farmer in southeastern New Mexico*******
asked by Mike 
physics
A 0.400kg ice puck, moving east with a speed of 5.38 m/s , has a headon collision with a 0.950kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.400kg puck after the collision?
asked by arshi 
physics
A Knight of the Round Table fires off a vat of burning pitch from his catapult at 17.4 m/s, at 33 ◦ above the horizontal. The acceleration of gravity is 9.8 m/s 2 . How long is it in the air? Answer in units of s. What is the horizontal component of the
asked by Issa 
astronomy
In space, the angular resolution of the Keck telescope is govererned by the diffraction limit. How far away could you read the same book, using the Keck telescope in space? Please express your answers in units of meters.
asked by Titos 
probabilities
Jeff has a box containing 26 tiles, each with a different letter of the alphabet. He randomly draws 4 letters, one at a time without replacement. What is the probability that he will choose the letters N, W, B, T? A. (264)!/26! B. 4!/26! C. 4!(264)!/26!
asked by juliana 
Science
The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46 million years, and each 10yard section will equal 460 million years.
asked by BroSive 
science
how does cycling of matter occur in earths mantle?
asked by pankakes 
please check my answers Ms Sue!!!
Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search search for more than one topic narrow down your topic by combining words**
asked by lilly 
math
A shopper paid $51.93 including tax for an item marked $48.99. What would she pay for another item marked $75?
asked by kimie 
probability
Susan has a bag of sweets containing 7 chocolates and 5 toffees. Ahmad has a bag of sweets containing 3 chocolates, 4 toffees and 2 boiled sweets. A sweet is taken at random from Susan’s bag and put in Ahmad’s bag. A sweet is then taken at random from
asked by Ataul 
Math
A man walks 3 miles due east, then 4 miles due north, then five miles due east. How far is he from his starting point?
asked by Annie 
Chemistry
the distance from the sun to earth is 1.496 x10 ^8 km. how long does it take light to travel from the sun to earth How do you solve this?
asked by Mark 
early childhood development
Name and describe three areas or kinds of guidance, support, or training you will need to become comfortable in working with families?
asked by Anonymous 
maths
collect marks of 10 of your classmates in different subjects in the recent examination. estimate the arithmetic mean of marks in each subject and verify them by actual calculations.how many of your estimations represent exact mean?
asked by mudassir 
physics
The motion of a human body through space can be modeled as the motion of a particle at the body's center of mass. The components of the position of an athlete's center of mass from the beginning to the end of a certain jump are described by the following
asked by Spice 
Chemistry
The question says: A sample of helium is collected by displacing 182 mL of water. The pressures of the gas and the atmosphere are equalized, using the method described in this experiment. The atmospheric pressure is 738 mmHg. The temperature of the water
asked by Heather 
Physic
You see a bolt of lightning and hear thunder two seconds later. The speed of sound is about 343 m/s. Estimate?
asked by Mary 
Algebra 1
List all of the subsets of the following set: {2, 2} A.) {2};{2};{2,2} B.) {};{2};{2};{2,2};{2,2} C.) {};{2};{2};{2,2} D.) {};{2};{2};{2,2};{2,2} I think it's B, but I'm not 100% on that. This topic of sets is really confusing for me.
asked by anon 
astronomy
The Keck telescope on Mauna Kea has an angular resolution on Earth of half an arcsecond. How far away (in meters) could you read ("resolve the letters of") a book with 3 mm square type, using the Keck telescope on Earth?
asked by Titos 
SCIENCE
a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's
asked by AABBCC 
SCIENCE
a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's
asked by AABBCC 
chemistry
what is the anion and cation of Na2CrO4
asked by Anonymous 
MATH
A person who is 6 feet tall is standing 117 feet from the base of a tree, and the tree casts a 130 foot shadow. The person's shadow is 13 feet in length. What is the height of the tree?
asked by CHEY 
chemistry
the electron in a ground state h atom absorbs a photon of wavelength 102.57nm to what energy level does the electron move
asked by gega 
Biology Answer Check
Which of the following describes the classification of humans? A. The genus Homo and the species sapiens B. The phyla Homo and the species sapiens C. The family sapiens and the genus Homo D. The class sapiens and the genus Homo i think its A Correct or
asked by Jasmin 
Social Studies
Why did the Spanish and French start fighting? Question from Social Studies weekly week 8 for 4th graders.
asked by Stephen 
biology
Which of the following statements best explains the relationship between the mitochondria and the plasma membrane? A. The mitochondria makes proteins that become a part of the plasma membrane. B. The mitochondria makes a gas that the plasma membrane uses.
asked by john 
Biology Answer Check !!!!
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by Brain 
physic
The thickness of a book is 3.2cm, measured between the insides of it cover. The highest page in the book is 1,096. What order of magnitude estimate does that give the thickness of a page of the book?
asked by Mary 
chem
Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money? Write a balanced chemical equation along with your answer. a) Rolaids (550 mg CaCO3 and 110 mg Mg(OH) per tablet)  150
asked by John 
Biology Help PLEASE
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by Jennifer 
science
When salt (NaCI) is added to water, it disassociates into Na and Clions. Which of the following types of chemical bond is present in a salt molecule? A. Covalent bond B. Ionic bond C. Hydrogen bond D. Disulfide bond i think its B An example of active
asked by manny 
Computer
You need to know the MAC address of a Windows 8 computer. How can you accomplish this? A. Look in the system properties. B. Type ipconfig at a command prompt. C. Type ipconfig/all at a command prompt. D. Type arp –m at a command prompt. I think it is A
asked by F.Brown 
chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the
asked by Mark 
Chemistry
1. A typical bathtub can hold 102 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 63 ◦F to 98 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of
asked by Alex 
genetics math
2. Genotypes of leopard frogs from a population in central Kansas were determined for a locus (M) that encodes the enzyme malate dehydrogenase. The following numbers of genotypes were observed: Total sample studied = 107. Genotype Number M1M1 20 M1M2 45
asked by Bella 
Chem 2 lab
the acid dissociation constant for acetic acid is 1.85x10^5. Calculate the pH at the equivalent point and the pH at onehalf the equivalence point for the titration of 25.00 mL of 0.100 M acetic acid with 0.100 M NaOH? Its been a little while since ive
asked by Anonymous 
MAth
2+3m=17 7 6 10 5 use inverse operations to solve each equation. Explain each step and identify the propaty used to reach steps. 19=h/38 solve the equation : expiation each step and identify the property used to reach each step 0.6x+0.8=1.4 thanks
asked by AABBCC 
Biology Answer Check
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by Jasmin 
social studies
This is an essay I really need help on please. nationstate A and nationstate B share a border. The two nationstates are arguing over immigration policies regarding the border. What are two ways that the nationstats could resolve their dispute?
asked by Melissa bowers 
Physics
Skier A of mass 71kg slides down a slope and makes a completely inelastic collision with Skier B, who is stationary, and has a mass of 55kg.Immediately after the collision both skiers have a speed of 5.8m/s. a)Find the speed of skier A immediately before
asked by Christine 
math
the electron beam in a television tube consists of electrons accelerated from rest through a potential difference of about 20000v.what is the speed of the electrons?(ignore relativistic effects).electron rest mass is 9.11 X 10^31kg and electron charge is
asked by Emmanuel 
biology please help bobpursley
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by Jennifer 
chemistry
Calculate the energy difference for the transition of n=6 to n=2 for 1.00 mol of hydrogen atom?
asked by gega 
math
find the equation of the circle having center (3,4) & touches the line 5x+12y+11=0
asked by himanshu 
SCIENCE
Which of the following tissues would send a message to the brain indicating that someone has touched something hot? A. Epithelial tissue B. Nervous tissue C. Muscle tissue D. Connective tissue i think its B Which of the following describes the
asked by manny 
math
choose all values of x that would make the inequality true and how? 2/3 or 0.6 or 3/6 or 59% or 58x10_2
asked by monica 
Biology
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think
asked by samantha 
stats
so the question is: the weights of fish in a certain lake are normally distributed with a mean of 10, a standard deviation of 6. if 4 fish are selected what is the probability that the mean weight will be between 7.6 and 13.6? so usually to find prob, we
asked by paul 
Children Development
. In what ways have factors from Microsystems outside the family, from the mesosystem, and the exosystem possibly influenced your child’s development at ages 6, 8 and 10? Find four examples of such influences and make clear why you believe they should be
asked by Woody 
Physics
A motorcycle rider plans to make a jump off a ramp. If he leaves the ramp with a speed of 38.0m/s and has a speed of 36.3m/s at the top of his trajectory, determine his max height above the end of the ramp. Ignore friction and air resistance. i got 6.45m
asked by Christine 
SCIENCE
the african plate is moving toward the eruasian plate at a rate of a few centimwtwes per year. how will this area change in 100 million years? in your answer, consider how continents will change and how the mediterranean sea will change
asked by AABBCC 
math
How can I show a bar model for this problem? Naomi Macy and Sebastian have 234 stamps in all. Naomi gives 16 stamps to Macy and 24 stamps to Sebastian. Naomi then has 3 times as many stamps as Macy, and Macy has twice as many stamps as Sebastian. how many
asked by jill 
Physics
A car of mass 1300 kg is driving along a road at speed of 28m/s. As it approaches some traffic lights, the lights change to red and the driver applies his brakes causing the car to skid. The frictional force between the skidding tyres and the road is 0.8
asked by Sean 
Chemistry
4 Questions on molarity that I really don't understand. I have the formulas, but they don't seem to fit in to the question right. Please take a look, thanks! 1. Calculate the weight, in grams, of HNO3 present in 1.0 litre of 0.10M of solution. 2. What is
asked by Bethany 
Physics
200 g of ice at 0ºC put in 500 g of water at 20C. The system is in a container with negligible heat capacity and which is isolated from surroundings. a)What will be the final temperature (at equilibrium) of the system? b)How much ice is melting?
asked by Zhenya 
social studies
Formal membership is nationstate is known as? A. citizenship B. naturalization C. nationality D. civicmindedness I think A
asked by Melissa bowers 
microbiology
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by david 
physics
A dive bomber has a velocity of 290 m/s at an angle θ below the horizontal. When the altitude of the aircraft is 2.15 km, it releases a bomb, which subsequently hits a target on the ground. The magnitude of the displacement from the point of release of
asked by Spice 
science
Plant~Deer~Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is the A. deer the tiger ate. B. plant the deer ate. C. photons the sun made. D. carbohydrates the plant made.
asked by manny 
Math Answer Check
1. Find the exact value of the expression. cos pi/16 * cos 3pi/16  sin pi/16 * sin 3pi/16 My ans: sqrt2/2 2. Find the exact value of the sin of the angle. 17pi/12 = 7pi/6 + pi/4 My ans: (sqrt2  sqrt6)/4
asked by Anonymous 
words problems
a car rental offers two plansplan a $20per day and 12 cents per mile plan b $65 per day free unlimited mileage
asked by luis 
math
The sides of the outside square in the figure are 8 inches long. The corners of the next smaller square are at the midpoints of the outside square, and so on. a.) find the sum of the perimeters of the first three squares. Imagine that the process of
asked by Jennifer 
Chemistry
How many electrons in an atom could have these sets of quantum numbers? n=3 n=5 , l=2 n=7 , l=3 , ml=1
asked by Megan 
math
Which of the following is the number of milliliters in 2 gallons? (Note: 1 gallon = 4.4 liters; 1 liter= 1,000 milliliters) A. 440 B. 880 C. 4,400 D. 8,800 i think its D The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs
asked by manny 
math
how to share 3 chocolate equally among 4 friends the answer i got was 3/4 but don't know if its right help please, thanks in return
asked by kimesha 
math
Mr Joyce invested $ 25,000, part at 4% interest and the remainder at 7% interest. The total income he received from his investment was $1,450. How much did he invest at each interest rate? Thank you
asked by Marina 
Math
The elevation of an underwater cave is 120 feet relative to sea level. A submarine descends to the cave. The submarine’s rate of change in elevation is no greater than 12 feet per second. How long will it take to reach the cave?
asked by jiskha 
Statistics
A sample of n = 25 scores has a mean of M = 40 and a variance of s2 = 100. If this sample is being used to test a null hypothesis stating that m = 43, then what is the t statistic for the sample
asked by Ann 
Physics
Water emerges vertically from a hose at ground level and rises to a height of 3.2 m. (a) At what speed does the water emerge from the nozzle? (b) How long is a given drop in the air?
asked by Anonymous 
math
if you walk around the earths equator with an average speed of 5 miles per hour how many days would you need to walk to come back to your starting point
asked by Anonymous 
Biology Answer Check
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by david 
Math
How many 7 digit even numbers can be formed using all of the digits 0,1,1,2,3,4? The answer is 1320. I tried 7!/2! but I know its supposed to be even, so it's not right to do 2!. How do I get to 1320?
asked by Luise 
life science
How predation,competition and symbiosis each interaction influences the population size of the organisms involved
asked by thobeka 
Urgent physics help
A plane flies 230 mph at 60 degrees north of west for 2.5 hours how far did the plane travel? how far west did it go? how far north did it go? how fast did it go west?
asked by Anonymous 
physics
A car travels with uniform velocity of 30m for 5 secs and then comes to rest in the next 10sec with the aid of a diagram calculate the deceleration of the car
asked by Beatrice Esther 
algebra
The mass of jupiter is about 1.900*10^24 metric tons.The mass of the sun is about 1.998*10^27 metric tons.about how many times the mass of jupiter is the mass of the sun?give answer in scientific notation.
asked by kim 
social studies
This is an essay I really need help on. We hold these truths to be selfevident, that all men are created equal, that they are endowed by their creator with certain unalienable. How does this excerpt from the declaration of independence connect to the
asked by Melissa bowers 
AP WORLD HISTORY HELP
I read this section, still don't get it. Respond to the following questions from Duiker p. 186. Please be sure that you respond to each question fully for full credit. Please note: in order to respond to the following questions you should have read the
asked by Anonymous 
Chemistry
1. Explain in terms of rate laws and/or reaction quotients why the product’s low solubility favors the forward reaction over the reverse. The forward rate law is rate = k[maleic acid]n and the reverse rate law is: rate = k[fumaric acid]n. Consider how
asked by Andrew 
please help Ms Sue !!!!
Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search search for more than one topic narrow down your topic by combining words
asked by lilly 
math
Barry's Blueberry Patch Come and pick your own blueberries for $3.00/lb Purchase prepackaged blueberries for $3.50/lb A family picks 1.7 lb of blueberries and purchases an additional 0.5 lb of prepackaged blueberries. Using the pricing displayed above,
asked by manny 
physics
Derive a general equation for the time of flight of the banana en route to the monkey in terms of only the velocity, distance, and height hint: if you are doing everything right, there should be a lot of cancellations resulting in a relatively simple
asked by Spice 
physics
Derive a general equation for the time of flight of the banana en route to the monkey in terms of only the velocity, distance, and height hint: if you are doing everything right, there should be a lot of cancellations resulting in a relatively simple
asked by Spice 
Physics
A car of mass 1300 kg is driving along a road at speed of 28m/s. As it approaches some traffic lights, the lights change to red and the driver applies his brakes causing the car to skid. The frictional force between the skidding tyres and the road is 0.8
asked by Sean 
answer check
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heter In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the
asked by david 
derek kobe maths
the diagram shows abc,a'b'c' and a"b"c" on a coordinate plane
asked by Dimpho 
SOC 320 Public policies and Social services
. Which of the following was added to the procedural requirements of the EPA under the Reagan administration? (Points : 1) Use of costbenefit analysis Review using the precautionary principle Inclusion of industry representation in decisionmaking.
asked by lisa 
Algebra 2
The cows at the evaleen dairy produce enough milk to fill a 4800 gallon tanker truck each day. The milk is then hauled to processing plant where it is put into smaller storage containers and then used to fill gallon jugs that are delivered to local stores.
asked by Aria 
chemistry
what is the anion and cation of Na2CrO4
asked by yosjy 
english
Can someone check my work? I am a little confused with adverbs and prepositions.... 1.The portrait fell down. Down is an adverb 2. Someone fell down the steps. Down is a prep. 3.He tripped over the chair. over is a prep. 4. A dried flower arrangement fell
asked by oliver 
Chemistry
What is the concentration of Fe(III) with a stock concentration of .00025 M in a solution of 1 ml FeCl3 and 9 ml of HCl? 2 ml of FeCl3 and 8 ml of HCl? 3 ml of FeCl3 and 7 ml of HCl? 4 ml of FeCl3 and 6 ml of HCl? 5 ml of FeCl3 and 5 ml of HCl? I got
asked by Dan 
Physics
what is the equation describing the motion of mass on the end of a spring which is streached 8.8 cm from equlibrium and then released from rest and whose period is .66 s ? what will be its displacement after 1.8 s
asked by Susmitha 
Algebra
Write an expression for a cell phone company charges a flat fee of $20 for unlimited texts and calls. Would the expression be: y=20 or 20/x
asked by Leeann 
science
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think
asked by manny 
Physics
How much torque is required to accelerate a uniform sphere of mass 10,000.0 kg and radius 2.5 meters from rest to an angular velocity of 60 rpm in a time of 90 seconds?
asked by Dallas 
geometry
How can I turn 192cubic cm into a triangular prism?
asked by david 
SOCIAL STUDIES!!
1. Why were Italian trade centers important? 2. What was the classical period of Greece and what were some of the achievements in art, science, and philosophy made during this period?
asked by Hazel 
Math
How many 7 digit even numbers can be formed using all of the digits 0,1,1,2,3,4,5? The answer is 1320, but how do I get there? Thanks for the help!!
asked by Luise 
math
17. Which of the following is the correct simplified fractional representation of 0.03030? A. 303/1,000 B. 303/10,000 C. 3,030/1,000 D. 3,030/10,000 i think its B
asked by manny 
social studies
This is an essay I really need help on. Why does the U.S. Constitution limit the power of the federal government?
asked by Melissa bowers 
chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the
asked by Mark 
Math
David is three years older than John.In 8years time, John age will be 7/8 of David's age.find their age.
asked by PHOSUDO 
chemistry help!!!
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the
asked by Mark 
economics
A firm currently uses 40,000 workers to produce 180,000 units of output per day. The daily wage per worker is $100, and the price of the firm's output is $28. The cost of other variable inputs is $500,000 per day. (Note: Assume that output is constant at
asked by Delynn 
Chemistry Dr.Bob
Toxic chemicals in drinking water usually are reported and a safety level specified in units of parts per million (ppm) by mass. What is the molar concentration of arsenic in a water sample that has 1ppm arsenic (As)? DrBob222 1 ppm = 1 mg/L and although
asked by Tiffany 
SOC 320 Public policies and Social services
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?
asked by lisa 
chemistry help!!!
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the
asked by Mark 
CHEMISTRY!!
1) How would you prepare 20 mL of a solution having pH = 2.00 by dilution of 0.10 M HCl? 2) The Ka, for hypochlorous acid, HClO, is 7.2 x l0^–4 at 25°C. What is pKa? Write the equation for the reaction to which Ka applies.
asked by jess 
Algebra
Key: Moderately Active 2400 to 2800 calories.**********************************Write a compound inequality. ___I believe the answer is: 2400 less then or equal to X less than or equal to 2800. Am I correct?
asked by Washington 
Math
Write the expression as the sine, cosine, or tangent of an angle. cos 0.96 cos 0.42 + sin 0.96 sin 0.42 Is this cos 0.54?
asked by Anonymous 
math
Let L be the line with parametric equations x = −8+2t y = 4+3t z = −4 Find the vector equation for a line that passes through the point P=(−2, 1, 3) and intersects L at a point that is distance 2 from the point Q=(−8, 4, −4). Note that there are
asked by Excel 
Chemistry
2 NO + 2 SO2 → 1 N2 + 2 SO3 Determine the mass (in g) of N2 that would be produced when 5.28×103 g of SO2 reacts with an excess of NO.
asked by Mackenzie 
Calculus
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be able to enclose?
asked by Taylor 
Math word prolems
Making a cylinder is costing your company $2/in^2 for top and bottom and $6/in^2 for the body(side). If the cylinder is to have 166.25oz volume, what are the most economical cylinder that you can make and what will be the cost of making it.
asked by Sam 
physics
a solar panel is 12% efficient at converting sunlight into electrical energy.on average the sunlight that strikes the earth's surface has an intensity of 250 w/m^2 which of the following is the best estimate for the area of the solar panel needed to
asked by iffat 
Social Studies
What was the classical period of Greece and what were some of the achievements in art, science, and philosophy made during this period? I'm not sure what to write for this so HEEEELLLPPPP ME!!
asked by Wifi 
Math
1. Cystic fibrosis (CF), a lifethreatening lung disease, is caused from the inheritance of a recessive allele from both parents for the CFTR gene. In order for this disease to manifest itself, one needs to be homozygous recessive for this autosomal gene.
asked by Bella 
math
On sunday the parking was 5/6full.out of the parked vehicles,240 were two wheelers.what fractiin of the parked vehicles were cars?
asked by Sani 
Algebra
solve using substitution method: 4x+5y=21 x=486y
asked by Regina 
Government
Which elections receive a high voter turnout and which ones receive a low turnout
asked by Anonymous 
math 1350
Lori has an equal number of dimes, nickels, and pennies in her coin collection. If the total value of the coins is $12.16, how many of each coin does she have?
asked by Anonymous 
College Chemistry
Suppose 15.0 grams of solid sodium hydroxide solid at 20.5 oC is dropped into 120 grams of water in a container that has a heat capacity of 10.0 J/oC, temperature also 20.5 oC. A solution that has a density of 1.04 g/mL forms at a temperature of 38.0 oC.
asked by Matt235 
Physics  Please Check Answers ASAP
Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s > my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d)
asked by Catherine 
World History (only need websites)
I am writing a paper comparing and contrasting Ancient China and Persia all I need are some good sites if anyone can help. Thanks :)
asked by A Person 
physics
how do you plot T2 2.14, 2.10, 2.08, 2.03, 2,20 and 2.30 and length .445, .54m, .497m, .50m, .53m and .555m on a graph and how do you find the gradient
asked by jb 
English
1. He said to us, " There are many bears." 2. He told us, " There are many bears." 3. He told us that there are many bears. 4. He told us that there were many bears. ======================== Are they all the same? Which ones are commonly used? Which ones
asked by rfvv 
Social Studies!HELP!
How did geography play a part in shaping Greek especially citystates?
asked by Rosabell 
SOC 320
Policy Instruments described by the authors include all of the following except
asked by Anonymous 
Calculus
What is the maximum volume of a closed box with a square base which can be made by bending the material? The box is to have a surface area of 100in^2.
asked by Paige 
Physics I
What is the torque produced by a force of 40N j applied at the point 2 m i  5 m j + 3 m k?
asked by Tim 
Math
Find the exact value of the trig expression given that sin u = 5/13 and cos v = 4/5. u and v are in the second quadrant. cos(v  u)
asked by Anonymous 
High school
If there were no air resistance,at what velocity would a drop of rain fall from a cloud 500m high?
asked by Aijan 
Physics
A ball is dropped from a height of 20 meter and rebounded with a velocity which is 3 by 4 of the velocity with which it hits the ground. What is time interval between the first and second bounces?
asked by Anonymous 
math
collect marks of 10 of your classmates in different subjects in the recent examination. estimate the arithmetic mean of marks in each subject and verify them by actual calculations.how many of your estimations represent exact mean?
asked by mudassir 
math
How much greater than 10.4 is 6.52? 10.4  6.52 = 3.88 is this correct?
asked by meg 
Science
If an ion has 12 protons in its nucleus and 10 electrons outside the nucleus, what is the overall charge on the ion? +2 –2 –1 +1
asked by Sara 
Calculus
What is the average value of f(x) on [0,4] if the area between the graph of f (x) and the xaxis is equal to 12? I used the average value formula and got 12. But the answer key says 3. My work: M= 1/4 [12x] interval: [0,4] 48/4=12
asked by Tiffany 
Calculus
Hello, Tutors! I am struggling on how to do problems related to finding the volume using integrals. Could you please help me? Any easyto understand resources? Thank You for all your help. I am thankful for you tutors!!!!!!!
asked by Anonymous 
English
Q1: Is Yosemite short for "Yosemite Valley"? Q2: Does Yosemite stand for "Yosemite National Park"?
asked by rfvv 
History
Select two groups of Native American people from two different areas within the united states.(I chose the Shawnee and the Inuit) The areas you can select from include North, West,Southwest, Plains, and East/Southeast. Explain how environmental factors
asked by Sam 
Finance
What is the market price of a 5000.00 bond that matures in 9 years and pays 400.00 interest till maturity compounded semi annually?
asked by Paul 
biochemistry
what is the ph of 1.0 m acetic acid and 1.0 sodium acetate. (ka=1.8x105)
asked by abi 
math
Barry's Blueberry Patch Come and pick your own blueberries for $3.00/lb Purchase prepackaged blueberries for $3.50/lb A family picks 1.7 lb of blueberries and purchases an additional 0.5 lb of prepackaged blueberries. Using the pricing displayed above,
asked by manny 
math
find the sum of the sequence 41+42+43+44+117
asked by john 
Physics
2 students ride a slingshot. The slingshot catapults 2 students at a time vertically 365 feet in an amount of time proportional to their mass. If 2 small students, each with a mass of 150 pounds were to ride, what would be their respective accelerations,
asked by Jill 
Literacy
I have to write a descriptive essay on a picture. I need to "show not tell." Help!
asked by Aurora 
Chm101
Which of these is not a property of hydrogen
asked by Ekom 
Algebra 1
Mr.Rush owns a dairy farm that is bordered on one side by a river.He wants to enclose a rectangular pastor that is bordered on one side by the river and on the other three sides by a 500 feet of fencing and a four foot gate.What must the dimensions of the
asked by Gwen 
Math
Find the solution. 1. sqrt2 sin x + 1 = 0 My ans: x = 5pi/4 + 2npi and 7pi/4 + 2npi 2. sec x  2 = 0 My ans: x = pi/3 + 2npi and 5pi/3 + 2npi
asked by Anonymous 
algebra
1. Given the line with the equation : a) Find at least three ordered pairs that satisfy the equation. b) Find the slope of the line. c) Graph the line 2. Given the line with equation : a) Write the equation in slopeintercept form. b) State the slope of
asked by cynthia 
Physic
Block A of mass 2.2 kg is on block B of mass 5.2 kg as shown in the above figure. The lower block is on a frictionless surface while the coefficient of static friction is 0.3 between the two blocks. a) If they are moving at constant velocity, what is the
asked by Anonimea 
social studies
This is an essay I really need help on.
asked by Melissa bowers 
Quick Physics check
Add together these vectors: V1= 60 Newtons at 45 degrees N of W; V2= 5Newtons at 30 degrees S of E Is it 61.49N@40.50 n of w?
asked by Anonymous 
math
onehalf of the students in a city school plan to enter liberal arts colleges and onethird of the students plan to go to junior college.The remaining 300 pupils expect to seek permanent employment after graduation.How many students are there in this
asked by Linda 
English
It's hard to pronounce 'campfire.' How do we have to pronounce 'campfire'? Do we omit the p sound?
asked by rfvv 
Math
Is this answer correct to this problem: 7.4 exceeds 11 by what number? answer I came up with is 3.6 is this correct?
asked by Mike 
physics
A mass is pushed over a surface by a 19 N force that acts somewhat downward at an angle of θ = 45° to the horizontal as shown in the figure below. The mass is 3.0 kg and the coefficient of friction between the mass and surface is 0.25. (a)What is the
asked by Anonymous 
history
can someone compare and contrast a multiparty system (a systems with three or more political parties) and a oneparty system
asked by cortey 
math
earn $15 an hour. following weeks: 2 hours 3 hours 4 hours. whats the function
asked by hhh 
Chemistry
Is nickel 2 chloride an anion or cation ?? Is sodium chloride an anion or cation ?
asked by Eric 
makerere university Bsc/cm
using equations,discribe howacidic buffer operates
asked by lutaakome 
science
In which part of the alimentary canal digestion of starch began?
asked by sanjay 
Math
There are 90 students in a classroom. How many relationships are there in this classroom? Show how you got this. Hint: Consider this 2 students in the class would be 1 relationship, whereas 7 students in the class would yield 21 relationships. What I
asked by Anonymous 
SOC 320
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?
asked by lisa 
English
Choose a film, as most of you already did, and focus on one theme that resides throughout the film. If you feel ambitious, then you can choose several themes to discuss in your paper; however, make sure you connect the themes to each other (if I signed off
asked by Yasmine 
Chemistry
Ion flame test Why is it important to not let the wooden splint burn ?
asked by Aria 
Algebra 2
Solve each equation for the variable. Check your solutions, if possible. x/2+1=6
asked by Jim 
Behavioral Statistics
Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those with raw scores above 75? Why do we have to standardize the scores?
asked by slomomo 
Math Word Problem
Can someone please check this one, this is a word problem, not a greater than or less question. How much greater than 10.4 is 6.52? 10.4  6.52 = 3.88 is this correct?
asked by Lou 
Chemistry pls help
Ion flame test Why is it important to not let the wooden splint burn ??
asked by Jim 
Math
The Schulich Society for Anarchy, Collectivism and Economic Equality has only 12 members, with surnames: Adams, Bezos, Chung, Dirar, Efrim, Faruk, Gomes, Habib, Ikeda, Jones, Kenny, and Laval Probably the only orderly aspect of this motley crew is the fact
asked by Jigney Pathak 
science
Which hormone secreted from ureter,kidneys,urethra?
asked by sanjay 
astronomy
what is the altitude which you'll find 99% of the atmosphere's mass? Assume P=1 atm, atmosphere T=290 K and the atmosphere is mostly N2.
asked by Tammy 
Geography
Impact and severity of Hurricane Patricia.
asked by Anonymous 
Physics  Check Answers ASAP
Could someone please check over my answers? I'm not very good at physics, and therefore am not sure if I got all of them correct. 1. A skier of mass 70.0 kg is pulled up a slope by a motordriven cable. How much work is required to pull the skier 60.0 m up
asked by Alysse 
Chm101 introductory inorganic chemistry
The abundant metal in sea is
asked by Ekom 
Math
I need help with this: 0 x 8 (it is 0 multiplied by negative 8) The answer is came up with is 0 is this correct?
asked by Lou 
AP Chem
Hey guys! I'm not really stuck on this problem, but I was wondering if someone could look it over to make sure that what I did makes sense. Thank you: 1) Balance this equation. What is the coefficient in front of I2? IO− + I− > I2 in acidic solution
asked by Allie 
SOC 320 Public policies and Social services
With respect to the Kyoto Protocols, the ClintonGore administration
asked by Anonymous 
Chemistry
How do I find the number of grams of .25 moles of neon?
asked by Anonymous 
savannah tech
Jessica need 74,000 in 6 years to buy a car how much she need to save every month she get 6% interest so how much without the interest
asked by maria 
math
if you roll one die what is the probabilitythat you would rolla four
asked by lele 
government
how can political parties affect voter turnout
asked by Anonymous