Questions Asked on
April 15, 2015

statistics
A tennis player makes a successful first serve 51% of the time. if she serves 9 times, what is the probability that she gets exactly 3 first serves in? assume that each serve is independent of the others.
asked by Anonymous 
physics
If I weigh 741 N on Earth at a place where g = 9.80 m/s2 and 5320 N on the surface of another planet, what is the acceleration due to gravity (in m/s2) on that planet?
asked by Mazdaly 
physics
A 15kg block is on a frictionless ramp that is inclined at 20° above the horizontal. It is connected by a very light string over an ideal pulley at the top edge of the ramp to a hanging 19kg block, as shown in the figure. The string pulls on the 15kg
asked by Mazdaly 
physics
A 40kg box is being pushed along a horizontal smooth surface. The pushing force is 15 N directed at an angle of 15° below the horizontal. What is the magnitude of the acceleration (in m/s2) of the crate?
asked by Mazdaly 
physics
A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete stop in 578 m. What is the magnitude of the braking force (in N) acting on the car?
asked by Mazdaly 
calculus (please help. URGENT!)
A hemispherical tank with a radius of 10m is filled from an input pipe at a rate of 3m^3/min. How fast is the water level rising when the water level is 5m from the bottom of the tank? (hint: the volume of the cap of thickness of h sliced from a sphere of
asked by Linda 
L.A
From which statement in The Governess could you conclude that Mistress is selfimportant? A."I didn't bother making a note of it because I always do it." B. "Maybe you thought you heard forty even I said thirty." C. "I excelled in mathematics. He gets that
asked by Dawn 
english
Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life.
asked by sheila 
chemistry
What is the volume of dry O2 gas at STP, if it had a volume of 5.00 L at 103 kPa and 300 K?
asked by Lee 
math
Task is to construct two brick columns of the dimensions shown on which an iron gate will eventually be hung. Because the bricks measure 8" long by 3 1/2" wide by 2 1/2" high, you decide to build each column by laying the bottom row of bricks as shown.
asked by keana 
Math
Take a four digit number (abcd) and repeat it to make an eight digit number (abcdabcd). This eightdigit number always has at least three different prime factors, unless you start with a certain fourdigit number. Which number is it?
asked by Anon 
Chemistry 11 grade 
Hydrogen gas was collected in a gascollecting bottle with a volume of 30.0 mL by water displacement on a day where the temperature was 24ºC and the barometric pressure was 98.125 kPa. The vapour pressure of water at 24ºC is 2.99 kPa. What would be the
asked by Tania 
math
Renee is a sales associate at a store. She earns $80 a week plus a 15% commission on her sales. Last week, she sold $200 worth of items. What is the total amount Renee earned for the week? How much did she earn from commission?
asked by jose 
geometry/trig
Initially a fifty foot ladder rests against a wall. As I start to climb it, the ladder slides down, finally stopping such that the ladder touches the wall at a point 8 feet below where it originally touched the wall. During the slide, the base of the
asked by eman 
science please help and explain asap
A rock of mass 5kg is pushed over the edge of a cliff which is 200m high 1.ignore air resistance and calculate the speed of the rock at the bottom of the cliff. In reality air resistance cannot be ignored. The rock eventually reaches terminal velocity of
asked by Annah van tonder 
6th Grade World History
Hi, can someone please explain me this: What caused the shift from Hinduism to Buddhism? *Note: I'm learning about Ancient India. Thanks and I don't have too much time so please hurry. Thanks :)
asked by MusicLover14 
math
Elin estimates her probability of passing French 0.6, passing chemistry is 0.8, (a)determine the probability that elin will pass French but fail chemistry (b) pass chemistry but fail French (c) pass both classes (d)fail both classes
asked by sakura 
Math
Each day Julia's math Teacher gives class a warm up qs. It's true/false 20% of the times and multiple choice 80% . Julia gets 70% on true false correct and 90% on multiple choice correct. Julia answered today's question correctly. What's the probability
asked by Jason 
algebra PLSSSSSS
Let f(x)=3x6 ang g(x)=x2 find f/g and its domain.
asked by allexelle 
everglades
Polygon ABCD is reflected and dilated to give polygon PQRS. The coordinates of the preimage are (2, 2), (6, 8), (12, 8), and (16, 2). The coordinates of the image are (11, 15), (9, 12), (6, 12), and (4, 15). What is the scale factor of the dilation? 0.25
asked by shay 
L.A
What makes this poem an analogy?
asked by Anonymous 
Math
Prove that 140 * 141 * 142 * ... * 159 * 160 is divisible by 4321.
asked by Anonymous 
Algebra 2
How many arrangements are possible using the letters in the word FUZZY if each letter "Z" is distinctly different than the other? How many arrangements are possible if the letter "Z" is interchangeabe with the other? Explain your reasoning.
asked by Joan 
Math
1.Jake has 10 tshirts and 5 collared shirts. What is his ratio of tshirts to collared shirts? this answer is 5/ 10 what i can't figure out is the second part of this 2. If Jake buys 3 new shirts, how many of them would you expect to be to be tshirts,
asked by Angelina 
math
The life span of a DVD player produced by one major company is known to be normally distributed with a mean of 6.2 years. If 4.01% of these DVD players have a life span of more than 8 years, what is the standard deviation of the DVD player’s life span?
asked by ananya 
chemistry
How many electrons does the Au+ ion have ? Enter an integer below without any letters or symbols.
asked by danny 
REPEATING DECIMALS
which rational number is equivalent to: _ 1.16? A 7/6 B 15/13 C 17/16 D 29/25
asked by Anonymous 
EQUATION
What value of x makes the equation below true? 1/2(6x6)+1=3(4x1) A x=9 B x=1/9 C x=1/9 D x=9
asked by Anonymous 
cda
For schoolage children, the environment must include a separate area where children have _______ to do their homework. A. a library and computer B. tables and chairs C. books and encyclopedias D. pens and pencils my answer is c
asked by Liliana 
Chemistry
Predict the products of electrolysis in an aqueous solution of FeCl2. Please help. I don't understand how the answer is OH, O2, H+, H2.
asked by Chase 
algebra
I need some help with this math problem: Let n be the number of oil refineries at t years since 2005. A reasonable model of oil refineries is n= 2.23t + 210.53. What is the slope of this model? What does it mean in this situation?
asked by T 
math
The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “leadoff group”, what is the batting average of the group? A. .301 B. .296
asked by Jane 
ALGEBRA PLSSSSSS
For the function f(x)=(82x)^2, find f^1. Determine weather f^1 is a function.
asked by allexelle 
geometry
The cargo space of the truck is 2.44 meters wide, 2.76 meters high, and 8.20 meters long. How many cubic meters of cargo space does the truck have?
asked by Anonymous 
Math
Take a four digit number (abcd) and repeat it to make an eight digit number (abcdabcd). This eightdigit number always has at least three different prime factors, unless you start with a certain fourdigit number. Which number is it?
asked by Maddie 
math
1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 .. angle sign3 and angle sign4 angle sign1 and angle sign6 2. If mangle sign1 = 37°, what is the measure of angle sign4? (1 point) 53° 43° 37° ..
asked by ollie 
math
4.In Amy’s English class, 30% of the students play an instrument. She does not know how many in the whole school play an instrument, but there are 500 students in the school. A.Solve the proportion 30/100=n/500 to estimate the total number of students in
asked by Francis 
Science
Light waves strike a lamp shade. What property of light is demonstrated? A.diffuse reflection B.diffraction c.refraction D.regular reflection I think the answer is C but im not sure Please help
asked by Sarah 
Math
Without graphing, tell whether the line containing (6.3) and (0,8) is horizontal, vertical or neither. I believe it horizontal
asked by Lost 
DIAMETER
What is the approximate volume of this sphere, which has a diameter of 18 inches? A 339 cubic inches B 1,356 cubic inches C 3,052 cubic inches D 24,417 cubic inches PLZ EXPLAIN THE PROCESS
asked by Anonymous 
Social Studies
1. The empress Theodora helped (1 point) the theater prosper. destroy the Byzantine Empire. women gain more rights.* Rome become prosperous again. 2. From the AD 500s to the AD 1100s, the Byzantine Empire (1 point) was a crossroads for trade. * was
asked by Pauly 
even moar math
You own 5 pairs of jeans and want to take 2 of them with you on vacation. In how many ways can you choose 2 pairs of jeans?  10 ways  15 ways  4 ways  20 ways **
asked by guy 
Math
3.Max says there were 6 students wearing shorts in his math class. He is not sure how many people were in the class, total, but he thinks about one third of them were wearing shorts. A. What percent is closest to 1/3 ? Explain. B.Write and solve a
asked by Francis 
Physics
A bicycler rider is traveling at 7m/s. During an 8s period, the bicycle rider then slows down with acceleration to a speed of 3 m/s. How far does the bicycle rider travel during the 8s? d=7m/s s=3m/s t=8s t x s = d/t x t d = s x t
asked by Raven 
physics
A 1000kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 80.0 N in a direction 30.0° west of north. In what direction should the second cable pull so that the barge will accelerate northward, if the force
asked by Mazdaly 
math check
given the equation 3x +2y =4, Write another equation that will form a linear system with: one solution, no solution and infinite solution. Graph the linear using graphing calculator and write your window setting in the format x: Xmin, xmax, Xscl. Y: Ymin,
asked by Jay 
math
area 432 square ft. width is 3/4 of length, what is length
asked by pj 
math
Mark's doctors appointment was 35 minutes after Tyson 's appointment. Tysons appointment was 20 minutes after Timothy's appointment. Timothy arrived 8 minutes before his appointment. But 17 minutes after Raul's appointment. Which started at 9:30 am. At
asked by amethyst 
math word problems
Q. Mark's doctor appointment was 35 minutes after Tyson 's appointment, Tyson appointment was 20 minutes after Timothy's appointment. Timothy arrived 8 minutes before his appointment but 17 minutes after Raul's appointment which started at 9:30 am. At what
asked by anonymous 
Simple math.
Simplify 5! 5 15 * 120 125
asked by guy 
calculus (steps and explanation plz)
Find a curve y=f(x) with the following properties (i) y"=6x and (ii) its graph passes through the point (1,1) and has a horizontal tangent there.
asked by Linda 
L.A
President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush
asked by Anonymous 
math
Test scores on a university admissions test are normally distributed, with a mean of 500 and a standard deviation of 100. a. What is the probability that a randomly selected applicant scores between 425 and 575? b. What is the probability that a randomly
asked by ananya 
chm 112
Only 6M KOH was present on the reagent shelf there was no 6M NaOH. explain what effect this substitution has on the test for the presence of the ammonium ion?
asked by hira 
L.A
"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain
asked by Anonymous 
Precalculus
A rancher wishes to fence in a rectangular plot of land and divide it into two corrals with a fence parallel to two of the sides. If she has 300 yd of fencing available, how large an area can the plot have? This is what I have so far: A=xy 300=2x+3y
asked by Serena 
finance
Assume you just deposited ksh 100,000 into a bank account. The current real interest rate is 2%, and inflation is expected to be 6% over the next year. What nominal rate would you require from the bank over the next year? How much money will you have at
asked by gho 
writting skills
1. Which one of the following comes first in an online catalog entry? A. Title of the book B. Year of publication C. Call number of the book D. Author's last name Student Answer: B Answer: Incorrect Reference: 2. You've located three books on a topic
asked by TYondra 
statistics
A group of seven mountain climbers wishes to form a mountain climbing team of five.how many different teams could be formed?
asked by kgahliso 
math
suppose a hat containing 100 balls consists of 20blue ball,30yellow balls,30red balls and 20green balls.a sample of 5 balls is drawn from the hat one by one without replacement.what is the probability that there will be 2blue balls in the sample
asked by pat 
math
The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. In a random sample of 460 pencils, approximately how many would you expect to have a diameter less than
asked by phia 
Math
Determine which ordered pair is a solution of y=x2 2. (2,6) (5,21) (1,1) (5,24)
asked by Lost 
maths
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! x A P B C D Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with ∠DAB = x, and ∠ABC = 90◦ , and AD = BC. Say the perpendicular
asked by manaswini tanniru 
Math
Ellen, Fern, and Kyle are all drinking milk from the same size cartons in the cafeteria. Ellen's carton is 3/7 full. Ferns carton is 3/10 full. Kevin's carton is 3/4 full. Who has the least milk left in their carton? Explain how you know?
asked by Amari 
geometry
I tired but answers don't make since. Problem is segment CD is perpendicular bisector of segment AB. Need to find lengths of AC (9y6), AD (3x), and AE ((5x +6). Others: BE=(5x+ y), BD (x + 10) and CB (7y). Figure like a kite. HELPPPPPPPPPP.
asked by miranda 
ALGEBRA PLSSSSSS
Let f(x)=x+2 and g(x)=x^2. Find (g o f)(5)
asked by allexelle 
maths
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! x A P B C D Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with ∠DAB = x, and ∠ABC = 90◦ , and AD = BC. Say the perpendicular
asked by manaswini tanniru 
chemistry
Calculate the weight in grams of potassium hydrogen phthalate (KHP, KHC2H3O2, MW 202.2 g/mole) required to neutralize 25.00 ml of 0.1 M NaOH solution.
asked by ryan 
math
A large game die is a cube measuring 1.2” in length. The die is a solid made from liquid plastic. If a game comes with 6 such dice, how many cubic inches of liquid plastic were needed to make the 6 dice?
asked by lilly 
L.A
What do you learn from these stage directions in The Governess? [The faintest trace of a smile her lips] A. Julia is suddenly very happy. B. Julia knows something Mistress doesn't know. C. Julia has made an important decision. D. Julia is thinking about
asked by Dawn 
math plz help
A bag contains 5 green marbles,8 red marbles,11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? A.20/43 B.40/43 C.20/1849 D.96/1849 Is the answer A?? Thank you in advance
asked by Pink 
debateenglish
I need help in finding good online sources for my essay. The topic and question is; why do community college students drop out?
asked by ben green 
Social Studies 302
In the article "An Example of Freedom of Expression" What is your response to the court's decision on Keegstra? How did Keegstra's individual right to freedom of expression conflict with the rights of others?
asked by Dayna 
Math
Kenji, a pet store employee, wants to fit two fish tanks on one table. One fish tank is 4 feet wide and the other fish tank is 2/5 of a foot wide. When placed next to each other, what is the total width of the two fish tanks? Simplify your answer and write
asked by Ehran 
POL201 American National Government
Question 1.1. Despite the greater federal authority in the federal relationship, federalism is still important for all the following reasons except that (Points : 1) it provides the best means of developing a vast country because it allows for
asked by Savannah 
math
Kenji, a pet store employee, wants to fit two fish tanks on one table. One fish tank is 4 feet wide and the other fish tank is 2/5 of a foot wide. When placed next to each other, what is the total width of the two fish tanks? Simplify your answer and write
asked by Ehram 
geometry
Henry  on 12414 you answered the question of the trangle ABC with midpoint of P. She didn't ask for P. What would it be?
asked by chloe 
SCIENTIFIC NOTATION
Japan and Fiji are both island countries. The population of Japan is approximately 1.3*10^8. The population of Fiji is approximately 8.8*10^5. Which is the best estimate of how many times as great the population of Japan is as Fiji? A about 1.5 times as
asked by Anonymous 
English
Which simple sentence has a compound verb? A. Becky and I weren't sure. B. Anne wanted a surprise party for Carrie. C. We have been planning the party since April. D. Finally, we voted and decided against a surprise.
asked by Britney 
marketing
explain how buying behavior of business customers in different countries may have been a factor in speeding the spread of international marketing.
asked by Duane 
you skipped me???
Can you please help me Ms. Sue?
asked by Pink 
Math
Simplify 6P2.  30  15 ***  12  720
asked by guy 
More math
Simplify 9C4.  126 ***  15,120  5  3,024
asked by guy 
socials
We're the sons of liberty justified in their treatment of the loyalists
asked by sara 
cda
Which of the following is an allergic skin condition? A. Scarlet fever B. Chicken pox C. Contact dermatitis D. German measles my answer is c
asked by Liliana 
Economic
Suppose that Betsy’s utility function is given by the equation U=Y0.3 where Y is measured in thousands of dollars. Betsy’s current job pays her $20,000 per year and she can earn this amount next year with certainty. Betsy is offered a different job but
asked by Anna 
chemistry
How many moles of solute are in the following solutions? Part A 250mL of 0.26M acetic acid, CH3CO2H 2.90L of 0.31M NaOH 980mL of 3.5M nitric acid, HNO3
asked by denise 
businesses
imagine you running your own tour guided cc business, how will institutional environment as a macro environment affect your business, with an example.
asked by uli 
math
What is the probability that a randomly selected applicant scores between 425 and 575? a. What is the probability that a randomly selected applicant scores between 425 and 575? b. What is the probability that a randomly selected applicant scores 625 or
asked by ananya 
History
I am having a hard time with this question and where to look for the answer. How might the cultures of Latin America be different if the spanish and portugese never arrived? Also what kind of culture do you think would dominate today?thanks
asked by sierra 
Chemistry
Suppose that 18.84 mL of 0.315 M Ca(OH)2 is required to neutralize 18.2 mL of aqueous HCl solution. What is the molarity of the HCl solution? All help is appreciated. Would also like help showing which numbers go where within any equations! Thanks so much!
asked by Radio Active Wear 
Math
Prove that 140 * 141 * 142 * ... * 159 * 160 is divisible by 4321.
asked by Peter 
Math (ASAP)
Write out the first 4 terms of the following sequence that is define recursively. a1=32 ak+1=1/2ak
asked by Gigi 
Physics
If a 0.50kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 8.0 N for a distance of 4 m, then what would be the block's velocity?
asked by Maria 
L.A.
"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain
asked by Anonymous 
Stats
A professor believes that all Thursday sections are cursed and will always score lower on tests compared to Monday sections. To tests this he collects samples of test scores from these two sections. For Monday's section, the mean test score was 60, the
asked by Luis 
Math
What is 21.21% rounded to two decimal places?
asked by Francis 
Physics
When we force protons through a narrow slit, we are gaining certainty in their position. As we gain certainty in their position, what should happen to the certainty on momentum?
asked by Anonymous 
Physics
We think of the width of the central maxima on our screen as a measure of the uncertainty in the direction of travel of the protons. What happens to this uncertainty in the direction of travel (momentum) as the slit width narrows?
asked by Anonymous 
Physics
An engineer has an oddshaped object of mass 16 kg and needs to find its rotational inertia about an axis through its center of mass. The object is supported on a wire along the desired axis. The wire has a torsion constant κ = 0.4 N· m. If this torsion
asked by Shane 
Chemistry
A solution is prepared by mixing 37.5 mL of 0.20 M (CH3)3N with 50.0 mL of 0.20 M (CH3)3NHC and then diluting the mixture to a total volume of 100.0 mL. Calculate the pH of resulting solution. So far I have been able solve the mols of the two chemicals.
asked by Mel 
Chemistry
In an alternate universe, electron energies in an atom are found to obey the following equation where n is the principle quantum number: E = 3.0 x 10^(19) J * nm * (1/n^2) ..where n is the principle quantum number A gas discharge lamp, like the lamps used
asked by Nora 
physics
find the weight of a person with a mass of 68.0kg
asked by j 
geometry
question is: find the coordinates of midpoint P of line BC. Calculate lengths of AP, BP, CP. P is ? (midpoint of BC which bisects
asked by chloe 
Pre  CALCULUS
Graph the function. Then use your graph to find the indicated limit. You do not have to provide the graph f(x) = 5x  3,lim x >5 f(x)
asked by Ciara 
math
Assume the brakes of an automobile produce a constant deceleration of k ft/sec^2. Determine what k must be to bring an automobile traveling 60 mph to a rest in a distance of 100 ft from the point where breaks are applied? With the same k, how far would a
asked by Barry 
math
Given the equation  3x +2y =4. Write another linear equation that will form a linear system with exactly one solution? I usually try to answer b4 i ask question But this time i'm really stuck. plz help ?
asked by Jay 
physics
two identically charged sphere of mass 3 gm each are suspended from a point by threads of length 13 cm. they are separated 10 cm due to repulsion. find the tension of the thread and charge on the sphere?
asked by Anonymous 
Chemistry
A photoelectric experiment is performed by separately shining a laser of 450 nm (blue light) and 560 nm (yellow light) on a metal surface and measuring the number and kinetic energy of the ejected electrons. The threshold frequency of the metal is
asked by Nora 
Science
You mix oil and vinegar for a salad dressing. After a few minutes, the oil has separated and is floating. Infer which has the greater density  oil or vinegar. Explain. I put "Vinegar has more density since it's on the bottom, where the oil has less since
asked by Lilly 
Precalculus
Evaluate: tan(arcsin(8/17)+ arctan(4/3)) I understand that I have to make triangles out of the values given with 15 being the other side of the 17 and 8 triangle, and 5 being the other side of the 4 and 3 triangle. I'm not sure where to go on from there,
asked by Sydney 
Precalc
Find the derivative of: f(x) = 1/(3x)^4 + 3x^4 Determine the points, if any, at which the function has a horizontal tangent line y = 5x^3  15x^2 y = 2x^3 + 6x^2 thank you!
asked by Heather 
Math
A truck carries cartons packed with boxes. The boxes were 22 inches long on each edge. If 4 boxes completely fill the carton, what is the volume of carton in cubic feet?
asked by Grant 
calculus (optimization prob help!)
Imagine a flatbottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0
asked by Linda 
Chemistry
A beam of light with a frequency of 7.61•1015 Hz hits the surface of the metal. What is the velocity of the electron ejected in m/s? (6 pts) How do you find the velocity based only off the frequency?
asked by Nora 
math
write an addition equation the equation must have a 1 a 2 a 3 digit added and use all of these digits 6622288000
asked by Frank 
Physics
8. A 4.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.) I did V^2=0^2+2(9.8)(4.70) and was wrong. I did
asked by Victoria 
Physics
8. A 4.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.) I did V^2=0^2+2(9.8)(4.70) and was wrong. I did
asked by Victoria 
integral
integral from 0 to pi/4 of (secxtanx dx) Please show how to find the antidervative of secx and tanx.
asked by Linda 
Math
Mass, m, is varies inversely as acceleration, a. The constant of variation is force,f. Write an equation to express this relationship.
asked by M 
Science
You are trying to determine how far it is to your new friends house. You find out that you actually live on the same street. You also use the same bus stop. Google maps says that your house is 24 meters south of the shared bus stop. Your friend said that
asked by Anonymous 
Science/Physics
My question is you walk 3.9 kilometers to school. In gym, you do the 12 minute run and actually make it 2.4 kilometers. After school you walk your friend home first and then go home it is 3.1 kilometers farther than your morning walk to school. What was
asked by Jenna 
Statistics
Can you explain why the scatter plot shows a negative Z value when the Histogram starts at zero.
asked by Scatter graph question 
math
How many grams equal 7 kg?
asked by Adara 
Math
Time varies inversely as the rate of travel. If Jennifer drove 13 hours at an average rate of 54 miles per hour, how long would thr trip take at a rate of 65 miles per hour
asked by M 
math
the distribution having p.d.f. f(x)=(exp(x)*a^x)/x! x=0,1,2,... a>=0 find the maximum liklihood estimator of a
asked by assma 
Science
A student is walking at 3.3 meters per second along a straight sidewalk. At a time of 6.8 seconds his position is at 19.7 meters right of the starting point. Later, the student is 52.5 meters to the right of the starting point. What was the time that the
asked by Kim 
English
traditional African marriage is an advantage for men only not women.
asked by nokuthula 
Algebra
Factor the follwoing as if this were a trinomial 4t^5/4  9
asked by Merty 
Math
A suitcase has a mass of 12,000 grams. What is the mass in kilograms? I say 12
asked by Adara 
Math
I am a closed shape made of 6 line segments. I have2 angles less than a right angle and no right angles. What shape am I draw an example
asked by Amanda 
Algebra
Find the following quotient. (47i)/(4+7i)
asked by Merty 
math
The amount of Jen’s monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile. A. About $46.30 B. About $43.30 C. About $43.40 D. about $43.20 I came up with $43.26 which its not a choice.
asked by Jane 
physics
A boy drops a mango from a tree it falls without rebound wat happens to its momentum
asked by tobore 
calculus
A hemispherical tank with a radius of 10m is filled from an input pipe at a rate of 3m^3/min. How fast is the water level rising when the water level is 5m from the bottom of the tank? (hint: the volume of the cap of thickness of h sliced from a sphere of
asked by Linda 
math
Imagine a flatbottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0
asked by Linda 
Math
how to multiply1111X101 in base 2 binary
asked by Kimberly 
math
find the length of an arc of a circle of radius 5.6 cm which subtends an angle of 60 degrees at the centre of the circle.(take pie as 22 divided by 7.)
asked by john 
L.o
Four factors that could threaten or limit the core functions of the media
asked by Mfundo 
linear algebra
Let L: R2 ¨ R2 be a linear transformation for which we know that L(1 1)= [2 1] L(1 1)=[3 2] a)what is L(1 5) b)what is L(u v)?
asked by hannah 
science urgent
How do humans grow crops on land that would naturally be either too dry or too wet? Explain. ?
asked by thi 
Math
The time it takes to complete a given trip varies inversely as the speed traveled. If it takes Tim 10 hours tro travel from Cleveland to Albany at 42 mi/h, how long will it take him to make the trip at 60 mi/h?
asked by M 
LA
What does "when one person changes for the better, others are affected for the better" means? Explain in at least 23 sentences.
asked by Lolo ONE QUESTION! 
science
What can we learn from an experiment itself?
asked by Mariam 
biology
Certain insect species have become more and more resistant to insecticides. What type of natural selection is this, and how does it differ from the other types?
asked by Madison 
Chemistry
Suppose you are assigned to prepare a buffer of 0.10M HNO2 (Ka=1.7 x 10^4) and 0.10M NaNO2 by mixing equal volumes of both solutions. What is the pH of the resultant solution? How would I first start this question? I have no clue what the steps are to be
asked by Janice 
History
Muslims must A. pray eight times a day B. save all their money C. fulfill the five pillars of Islam D. live in Makah PLEASE HELP........
asked by Priscilla 
art
What to do you like to do that i can draw? for example if you like to sing i can draw a microphone, you like basketball i can draw a basketball what else can i draw
asked by Reina Bonilla 
math
the distribution having p.d.f. f(x)=exp(ax) x>0 Let x1=min{x1,x2,...,xn}and zn=n(x1a), find the limiting distribution of zn
asked by assma 
chemistry
A compound has 85 % tin and 15% antimony. How many grams of antimony will be in 50. grams of the compound. My question is do I need to calculate the empirical formula first to do thi? I'm not sure where to start.
asked by Tina 
English
1. A hippo is an animal which has a big mouth. 2. A hippo is an animal which is very heavy. 3. A hippo is an animal which is very big. 4. A crocodile is an animal which has lots of teeth. 5. A crocodile is an animal which has a strog and long tail. 6. A
asked by rfvv 
World view
Is it possible to reconcile the popular beliefs listed with the claims Jesus made? Why or why not?
asked by Angel 
Math (ASAP)
Write out the first 4 terms of the following sequence that is define recursively. a1=32 ak+1=1/2ak
asked by Gigi 
6th Grade Science Help PLEASE!
Hi, so I did the coin drop experiment. I finished project, wrote my hypothesis, my data, my observations, and my conclusion. What I need help is that in this experiment I don't know which on is the independent and dependent variable. That's all I need. Can
asked by MusicLover14 
trigonometric function
If sinA=12/13 & tan B=3/4 then find ¡= sin(A+B) ¡¡=COS(AB) ¡¡¡=COT(AB) ¡v=cot(AB) Sir please give me the correct ans because tomorrow is my class
asked by subhankar 
Help!!! Social studies
What were the 4 effects of the cotton ?
asked by Rian 
History
Which city was located in the Persian Empire? A. Baghdad B. Jerusalem C. Alexandria D. Makkah Which of the following was located northeast of the Arabian Peninsula? A. Persian Empire B. Byzantine Empire C. Roman Empire D. Sahara What does Islam mean? A.
asked by Priscilla 
Math
The volume of a gas varies inversely as applied pressure if the pressure acting on a 45m^3 of gas is lowered from 3 atmospheres to 2 atmospheres what new volume does the gas occupy
asked by M 
chemistry
25.0 ml of 15% NH4NO3 solution is diluted to 300.0 ml. What is the concentration of the diluted solution? My Work: Total molar mass of NH4CO3 = 80.052 .15 x 80.052= 12.0078 25.0 ml (12.00 M) = 300.0 ml (c2) 300.19/300.0ml = The concentration is = 1.0M
asked by Anonymous 
Math
The time it takes to clean the house varies inversely with the number of people cleaning. If it takes 1 person 4 hours to clean the house, how long will it take 3 people? 12 hours
asked by M 
English/Sociology
Im looking for some media examples of how women who don't want kids are perceived by society... one example I have is How I Met Your Mother, where one of the main characters Robin doesn't want kids..... Can anyone think of any other examples? Thanks!
asked by Bri 
algebra
what is the first step when solving x/15=3/5? write a proportion using an unknown value x and the ratio 5:6 then solve it. in an orchestra, the ratio of trombones to violas is 1 to 3. a. there are 9 violas. write a proportion that gives the number t of
asked by phan 
Math
The variable y varies inversely as x : y is 1 2/3 when x is 3/5. Find y when x is 3/7
asked by M 
6th Grade Science Experiment
Hi, forget my first post. Can someone please explain what a dependent and independent variable is? Thanks and I don't have too much time either.
asked by MusicLover14 
Linear Functions!!!!
Which equations represent a linear function? Equation 1 y=5x2 Equation 2 y=1/3x Equation 3 y=x^23 Equation 4 y=1
asked by Anonymous 
Scientific Notation
Which is equivalent to 3^3/3^1? A 81 B 1/81 C 1/81 D 81
asked by Anonymous 
chemistry
what mass of zinc dissolved in dilute HCL will produce 0.15g of hydrogen ? can you explain the steps to sloving this question please
asked by precious 
math
bruno is measuring water for an experiment. he fills a 2 litre container and a half liter container. how much water does bruno use altogether? give your answer in millilitres.
asked by walid 
6th grade math
2 line segments intersect to form an angle that has a measure of 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle?
asked by Crystal 
6th Grade Math
Hi, can someone please give me a few examples of how people use functions in the real world and explain them too? Thank You :)
asked by MusicLover14 
Math
If you have a spinner with six spaces each with a letter P,U,I,O,E,N and you spin the spinner twice what is the P(vowel, then P)? A.1/3 B.1/9 C.5/6 D.5/12 Is the answer D?
asked by Pink 
SOUTH CAROLINA STATE HISTORY
9. Which event did NOT change the culture of the United States during the early 1920s? (1 point) a. bank failures that closed factories and decreased job opportunities b. installment plans used to purchase expensive consumer goods c. boll weevil
asked by Anna 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20
asked by Ciara 
maths
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! x A P B C D Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with ∠DAB = x, and ∠ABC = 90◦ , and AD = BC. Say the perpendicular
asked by manaswini 
find the height
A paper cone cup beside a water cooler has a diameter of 6 centimeters and a slant length of 9 centimeters. What is the approximate height,h, of the cup? A 3 radical 5 centimeters B 6 radical 2 centimeters C 3 radical 10 centimeters D 7 radical 2
asked by Anonymous 
physics
At what altitude should a satellite be placed into circular orbit
asked by Josh 
Physics
How much energy is require to set a 0.304m phonograph record into rotation at 33.33 revolution per minute if the mass of the record is 0.11kg?
asked by Olushola 
To Michelle
I posted a response to that potentiometric analysis problem but it's pretty far down the list. Let me know if you can't find it and I can help.
asked by DrBob222 
Science
Which of the following illustrates mechanical weathering? 1.Carbonic acid weathers marble and limestone. 2.As plants grow, they produce weak acids that slowly dissolve rock. 3. Oxidation causes weathering in rock. 4. Repeated freezing and thawing in rocks
asked by Kate 
Accounting
ZIMMER LANDSCAPING COMPANY Trial Balance April 30, 2014
asked by Terence 
Accounting
ZIMMER LANDSCAPING COMPANY Trial Balance April 30, 2014
asked by Terino 
math
The value of the independent variable in a function is always __?__ the value of the independent variable A greater than B dependent on C equal to D less than
asked by Bookworm_girl 
writting skills
If a Works Cited entry begins with the title of an article, we can assume that A. the information taken from that source isn't reliable. B. the author listed wasn't credible. C. the name of the author isn't important. D. no author was listed. I choose D. ?
asked by TYondra 
physics
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.7 x107 m and a maximum speed of 3.9 x103 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b)
asked by Anonymous 
Precalsulus
a twinengine cessna is heading on bearing of 35 degrees with an air speed of 180 mph. if the wind is out with a bearing of 90 degrees at 40 mph, then what is the bearing of this course? what is the ground seed of the airplane?
asked by BK 
Math
can positive and negative X axis or positive and negative y axis have different scales? I mean that is it possible for positive and negative sides of a particular axis(X or Y) to have different scales if numbers to be plotted on one side large and small on
asked by plz someone answer this 
L.A
From which statement could you conclude as self important? A. "I didn't bother making a note of it because I always do it." B. "Maybe you thought you heard forty when I said thirty." C. "I excelled in mathematics. He gets that from his mother." D. " the
asked by Clair 
math
Larry and Willa are each reading the same book.Larry has read 2/3 of the book.Willa read 4/6 of the book,so she read more.Is Willa correct?Explain
asked by Laura 
SCIENTIFIC NOTATION
What is the product? (5*10^7)*(3.2*10^12) A 1.6*10^84 B 1.6*10^5 C 1.6*10^5 D 1.6*10^6
asked by Anonymous 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20
asked by Ciara 
physics
A skier descends a mountain at an angle of 35.0º to the horizontal. If the mountain is 235 m long, what are the horizontal and vertical components of the skier's displacement?
asked by Trish 
pre  CALCULUS
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2
asked by Ciara 
ALGEBRA PLSSSSSS
f(x)=x^216 and g(x)=x+4 find f/g and its domain.
asked by allexelle 
ALGEBRA 2 (LOGARITHMIC FUNCTIONS)
These are some I chose to practice but I have a hard time knowing how to do it. The answers are online but that doesn't help. These deal with logarithmic functions etc. PLEASE HELP! THANKYOU 1.)solve the equation: 3^(x+1)=27^(x+3) 2.) e^x=5 3.) 2^(3x)+9=25
asked by DINA 
EQUATIONS
Which equations represent a linear function? Equation 1 y=5x2 Equation 2 y=1/3x Equation 3 y=x^23 Equation 4 y=1 A 1 and 2 B 2 and 3 C 1, 2 and 3 D 1,3, and 4
asked by Anonymous 
math plz help
A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form. A. Find the theoretical probability of selecting a pink rubber
asked by Pink 
ALGEBRA PLSSSSSS
What is the inverse of the given function? y=7x^23
asked by allexelle 
geometry
a racing track whose left and right ends are semicircular . the distance between two inner parallel line segments is 70 m and they are each 105 m long . if the track is 7 m wide , find the difference in the lengths of the inner edge and outer edge of the
asked by smriti 
ALGEBRA PLSSSSSS
For the function f(x)=x+9, find (f o f^1)(5)
asked by allexelle 
Communication in the Workplace
Imagine that you have taken a new job as head of Human Relations (HR) for an upandcoming software firm. Your 150 employees are hip, smart and tech savvy. They are also big cell phone users. Cell phones are an important tool for your business
asked by Patrick 
ALGEBRA PLSSSSSS
For the function f(x)=x^212, find (f o f^1)(4)
asked by allexelle 
Algebraic expression
One more than the product of 7 and Mabel's height
asked by Anonymous 
english
Hello I am having quite a bit of trouble trying to figure out a better way to answer this. 1. In the video, The Fates Present: Pyramus & Thisbe,There are parts of the animated version in which there is a character, who appears at the beginning of the
asked by Sabrina 
chemistry
Describe in detail how you would prepare 1000 ml of 0.1 M NaOH from 6 M of NaOH stock solution.
asked by ryan 
Chem
Pure gold adopts a facecentered cubic crystal structure. It also has a density of 19.30g/mL. What is the edge length of gold's unit cell? What is the atomic radius of gold? I understand how to do this problem the other way: when you have the unit cell and
asked by Em 
chemistry
Describe in detail how you would prepare 500 ml of 0.1 M HCl from 6 M HCl stock solution.
asked by ryan 
SCIENTIFIC NOTATION
What is the product? (5*10^7)*(3.2*10^12) A 1.6*10^84 B 1.6^*10^5 C 1.6*10^5 D 1.6*10^6 I thought it would be 16.0*10^5 but after moving the decimal one place to the left I thought it would be 1.6*10^4 but it isn't an option
asked by Anonymous 
cda
The background screening of possible employees should include A. IRS federal income tax payment verification. B. family health history. C. a personal physical fitness assessment. D. Social Security number verification my answer is d
asked by Liliana 
angles
Abc is 71. and dbc is 45. then what is abd
asked by Anon 
Math
If a man runs for an hour and a half at 8 miles an hour due south; and then he continues south on a bus traveling at 55 miles an hour, for 24 minutes. How far did he travel?
asked by Jim 
maths
a water tank has nine steps in it. a monkey sitting on the topmost step. the water level is at last step. the monkey jumps 3 steps down and then jumps back 2 steps up. in how many jumps will he reach the water level?
asked by shehzad 
EXPONENTS
Which is equal to 3^3/3^1? A 81 B 1/81 C 1/81 D 81 The options totally confuses me because I thought it would have to be 3^2
asked by Jillian 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20
asked by Ciara 
Chemistry
A photoelectric experiment is performed by separately shining a laser of 450 nm (blue light) and 560 nm (yellow light) on a metal surface and measuring the number and kinetic energy of the ejected electrons. The threshold frequency of the metal is
asked by Nora 
Chemistry
In an alternate universe, electron energies in an atom are found to obey the following equation where n is the principle quantum number: E = 3.0 x 10^(19) J * nm * (1/n^2) ..where n is the principle quantum number A gas discharge lamp, like the lamps used
asked by Nora