# may

Popular questions and responses by may-
## Math

Which of the following options is an equivalent function to f(x) = 4(3)2x? A.f(x)= 36x B.f(x)= 4(9)x C.f(x)= 144x D.f(x)= 4(6x)

*asked on November 4, 2015* -
## Math question - plz correct

Two airplanes leave an airport at the same time. One travels at 355km/h and the other at 450km/h. Two hrs later they are 800km apart. Find the angle between their courses. a^2 = b^2 + c^2 - 2bc Cos A 800^2= 450^2 + 355^2 - 2(450)(355) Cos A 640000= 202 500

*asked on May 27, 2008* -
## english

In the poem Warren Pryor by Alden Nowlan, it says "his axe-hewn hands upon the paper bills aching with empty strength and throttled rage." I understand that it means that he wanted to work on the farm instead of in the bank, but could someone explain the

*asked on January 7, 2010* -
## Language Arts

"The Third Wish" Quiz 1. Part A What internal conflict does Leita face in "The Third Wish"? -Leita enjoys being Mr. Peter's wife, but she deeply misses being a swan** -Leita is unhappy with the old King for turning her into a human -Leita does her best to

*asked on September 13, 2016* -
## math

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator how do i get the answer

*asked on May 2, 2016* -
## geometry

If a triangular prism and a cylinder have the same height and the same volume, what must be true about their bases? The triangular prism has a larger base than the cylinder. Their bases have the same area. The cylinder has a larger base than the triangular

*asked on March 31, 2020* -
## math

If a ball is thrown directly upward with a velocity of 14 m/s, its height (in meters) after t seconds is given by y = 14t − 4.9t2. What is the maximum height attained by the ball? (Round to two decimal places.) ______ m After how many seconds is that

*asked on August 14, 2014* -
## math

. At a concert, 20% of the audience members were teenagers. If the number of teenagers at the concert was 360, what was the total number of audience members?

*asked on May 3, 2016* -
## quantitative literacy

Decide whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false. We're both single with no children and we both have the same total (gross) income, so we must both pay the same amount in

*asked on May 2, 2019* -
## Math

mr frank has 1.03 kilograms of fertilizer for the plants in his nursery.he wants every plant to get 95 mg of fertilizer 4 times each year.what is the number of plants he could fertilize with that amount? how much fertilizer will he have left over?

*asked on May 10, 2017* -
## chemistry

Calculate the minimum number of moles of Pb(NO3)2 required to start precipitation in 50.0mL of 0.15M ZnI2

*asked on April 2, 2012* -
## Stat

An instant lottery game gives you probability 0.02 of winning on any one play. Plays are independent of each other. If you play 4 times, the probability (±0.0001) that you win on none of your plays is about

*asked on April 3, 2011* -
## Math

Find the mode of the set of data 59,61,54,51,38 46,56,52,63,40,44 1.B 2.D 3.C 4.A 5.D 6.C 7.B 8.C 9.C 10.C 11.B 12.D 13.B 14.A 15.A 16.A 17.D 18.A 19.C 20.D Math lesson:10 Unit:2 Practice test 100% answers

*asked on September 27, 2017* -
## Math (Please Help)

Select the phrase that correctly completes the sentence. The value of the dependent variable is always ___________ the value of the independent variable. A. Greater than B. Dependent on C. Equal to D. Lesson than

*asked on February 9, 2016* -
## physics

The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 80kg and D is twice as long as d.Find the tension FT in the

*asked on February 17, 2014* -
## Calculus

Determine the line through which the planes in each pair intersect. a) 3x+2y+5z=4 4x-3y+z=-1

*asked on January 26, 2013* -
## Science 8th grade

A scientist bends wires made of different metals to check their flexibility. Which of the following best justifies the type of change taking place? Physical change because shape is a physical property. Chemical change because shape is a physical property.

*asked on August 28, 2019* -
## Biology

Which of the following . is true about the DNA molecule during transcription? A- It opens up all of the way, one gene at a time. B- It unwinds from both ends. C- It makes a copy of itself. D- Only a small area is opened. My choice is C.

*asked on December 31, 2014* -
## Math

How many rectangles can you build with a prime number of square tiles

*asked on August 21, 2017* -
## math

A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of

*asked on May 3, 2016* -
## math

Need help in solving this word problem. That are the steps? Of the total number of spectators at a circus, 1/4 are men. 2/5 of the remaining number of spectators are women. There are 132 women at the circus show. How many children are at the circus show?

*asked on November 16, 2015* -
## Math

Which of the following options results in a graph that shows exponential growth? A.f(X)= 0.4(3)X B.f(X)= 3(0.5)X C.f(X)= 0.8(0.9)X D.f(X)= 0.9(5)-X

*asked on November 4, 2015* -
## Chemistry

Methanol ---> Normal BP: 64.6°C --> dHvap: 35.3kJ/mol iso-Propanol ---> Normal BP: 82.3°C --> dHvap: 45.4kJ/mol Cyclohexane ---> Normal BP: 80.7°C --> dHvap: 33.1kJ/mol Question: Ethanol has a normal BP of 78.3°C. Why is the normal BP higher than

*asked on February 13, 2015* -
## Derivative Test

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first or second derivative test to test the critical points. How many relative maxima did you find? I got 2 as the relative maxima, is this done correctly?

*asked on December 9, 2014* -
## Math

Janice thinks that 20 hundredths is equivalent to 2 thousandths because 20 hundreds is equal to 2 thousands. Use words and a place value chart to correct Janice’s error.

*asked on October 2, 2014* -
## Chemistry

Help please? 1)A sample of propane gas occupies 625 cm3 at 20.0 °C and 750 torr. What is the final volume in cubic centimeters at -80.0 °C and 750 torr? 2)If oxygen gas is collected over water at 25 °C and 775 torr, what is the partial pressure of the

*asked on April 16, 2014* -
## chemistry

hydrogen gas can be produced by reacting aluminum with sulfuric acid .How many L hydrogen gas are produced by reacting 15.0 mol of sulfuric acid with 15.0 mol of aluminum at STP?

*asked on May 19, 2013* -
## chemistry

Silicon carbide is one of the hardest materials known. It is often known commercially as carborundum. Silicon carbide is used primarily as an abrasive for sandpaper and is manufactured by heating common sand (silicon dioxide, SiO2) with carbon. - What mass

*asked on February 10, 2013* -
## science

Most of the eastern United States and the West Coast have a climate that is- F)mountain H)desert G)polar J)temperate My answer is temperate, am i right if not please tell me why?

*asked on December 9, 2012* -
## Math

A farmer has 450m of fencing to enclose a rectangular area and divide it into two sections. a) Write an equation to express the total area enclosed as a function of the width. b) Determine the doman and range of this area function. c) Determine the

*asked on September 14, 2008* -
## Math

Which graph represents the solution set for the inequality y≥x+1? A graph of a solid line at y equals x plus 1, with shading below the line. A graph of a dotted line at y equals x plus 1, with shading above the line. A graph of a solid line at y equals x

*asked on December 9, 2019* -
## Algebra

The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the shorter

*asked on October 4, 2019* -
## Statistics

The yearly rainfall in Vancouver, B.C. follows a normal distribution with standard deviation 172 mm. In 20% of years, the city gets over 1200 mm of rain. What is the mean annual rainfall in Vancouver (in mm)? The answer is 1055.5 mm....not sure how to get

*asked on December 14, 2017* -
## algebra

Your automobile radiator contains 15 quarts of an antifreeze mixture. A test shows the mixture is 40% antifreeze and 60% water. The owner's manual says the mixture should be 50% antifreeze and 50% water. How much of the mixture should be removed and

*asked on November 7, 2017* -
## Math

Mrs. Lin brings 6 trays of hamburger buns to the barbecue. 2/3 of the trays have wheat buns. How many of the trays have wheat buns? Draw a diagram to solve the problem.

*asked on April 25, 2017* -
## Math

The Rosana family decided to put in a patio and a garden in their backyard. The next part shows a rectangle with a base of 8 and height of 4. It also has about 1/3 of the rectangle shaded and is labeled "Garden" I tried multiplying 4 x 8, then dividing by

*asked on November 16, 2016* -
## Social Studies

Essay Question What role do women play in the economy of West and Central Africa? (Any ideas?) (My ideas:produce and sell handicrafts in local markets)

*asked on October 11, 2016* -
## Algebra

Nabuko practice the violin at lest 12 hours per week. She practice for three fourths an hour each session. If Nabuko has already practiced 3 hours in one week, how many sessions remain to meet or exceed her weekly practice goal?

*asked on March 31, 2016* -
## math

the number of pat's roses to the total number of pat's flowers. a)76:31 b)76:107 c)31:107 d)31:76

*asked on November 24, 2015* -
## English

Scouts comments to Calpurnia (beginning "I told Calpurnia to just wait") suggest that A- scout is cruel and spiteful B- calpurnia is loving and educated C- the relationship between the two is strained D- scout is suicidal and vengeful E- calpurnia is

*asked on November 18, 2015* -
## Math

1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic,

*asked on October 9, 2015* -
## calculus (please help)

find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps

*asked on April 22, 2015* -
## So what about this one bob? Physics

Which of the following is closer to a guess? hypothesis

*asked on December 29, 2014* -
## physics

Assume that there is no friction between m2 and the incline, that m2 = 2.4 kg, m1 = 1.2 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 4.8 kg m2, and θ = 25.0°. a) Find the combined mechanical energy of both masses the

*asked on November 26, 2014* -
## chemistry

If 1.50mol of oxygen gas exerts a pressure of 1500mmHg at 20∘C, what is the volume in liters?

*asked on April 15, 2014* -
## Math

Rachel spend $1.20 on her drink. She has now 1/3 of the amount of money that she had before she bought the drink. How much money did she have before she bought a drink?

*asked on May 23, 2013* -
## chemistry

2KI+Pb(NO3)2=2KNO3+PbI2 suppose a solution containing 1.25g of KI is combined with a solution containing 2.42g Pb(NO3)2 _what mass of the yellow PbI would result what is the limiting reactant How much in grams of the excess reactant was used how much in

*asked on February 10, 2013* -
## Chemistry

What is the pH of a 0.350M HBrO Solution? HBrO, Ka=2.3 x 10^-9

*asked on November 26, 2012* -
## chemistry

Calculate the minimum number of moles of Pb(NO3)2 required to start precipitation in 50.0mL of 0.15M ZnI2

*asked on April 2, 2012* -
## physics

You take your backpack out of the car, hike to the top of a nearby mountain, and return with your backpack to your car at the bottom. Have you changed the amount of your backpack's mechanical energy?

*asked on March 7, 2011* -
## algebra

What is the midpoint of the line segment connecting the points (2,- 3)and (4,9)?

*asked on March 5, 2011* -
## 12th Calculus

the volume of a cube is increasing at the rate of 1200 cm^3/min at the instant it edges are 20cm long. at what rate are the edges changing at the instant?

*asked on December 3, 2008* -
## math

how long does it take to get 2000 if you get 100 each month

*asked on March 5, 2020* -
## Chemistry

The price of a popular soft drink is $0.97 for 24.0 oz or $0.77 for 0.500L What is the price per liter of the 24.0oz bottle What is the price per liter of the 0.500 L bottle

*asked on September 16, 2019* -
## Chemistry

suppose a runner completes a 10k (10.0km) road.race in 43 minutes and 55 seconds what is the runners average speed in miles per hour

*asked on September 16, 2019* -
## Linear Algebra

Demonstrate that matrixes M(2x2) with the sum of matrixes is a vector space. I am confused. Do i need to demonstrate each propertie (distributive, associative, etc) for the sum of matrixes or I only need to prove that the sum of matrixes results into

*asked on March 19, 2019* -
## math

You flip a coin 20 times and get tails 15 times. You flip the coin 80 more times. What do you expect to happen to the experimental probability of getting tails as you increase the number of trials?

*asked on January 22, 2019* -
## math

What is 5x3

*asked on March 20, 2018* -
## SS

Temples were believed to be the homes of the gods. Which of these answer choices best supports this main idea? A. Statues of the gods in the temples were treated as if they were alive. Statues were washed, dressed, and given food. B. People prayed to the

*asked on December 13, 2017* -
## Social Studies

Upper and Lower Egypt Long, long ago, Egypt was divided. There were two kingdoms in Egypt. They were called Upper Egypt and Lower Egypt. Lower Egypt was the land around the mouth of the Nile River in northern Egypt. Upper Egypt was in the south. It is

*asked on December 12, 2017* -
## Math

would 36 be a good first move in the factor game? why or why not?

*asked on August 26, 2017* -
## Math

write three measurements using grams and three measurements using milligrams that total 15.4 grams

*asked on May 10, 2017* -
## Math

While at the beach, dasha uses this bucket to make a sand castle. She fills the bucket 8 times with wate. How many liters of water does she use? Write an equation to solve.

*asked on April 27, 2017* -
## Math

there is a track next to the barbecue area the track is 1/4 mile long. a group of students have a relay race. they run around the track 4 times. draw a number line to show how many miles the students can. use 0 and 1 as points on your number line. divide

*asked on April 25, 2017* -
## Math

Write a word problem in which the starting number is in hundreds and the answer is 4 tickets were left over.

*asked on December 1, 2016* -
## Math

carlos can throw a ball 14 yards . His friend raul can throw 3/7 of that distance. Is rauls throw longer or shorter than 14 yards? Now find the exact length of Raul's throw.

*asked on November 30, 2016* -
## Math

What is 6th to the 7th power?

*asked on October 26, 2016* -
## Chem

If the initial pressure of HD(g) is 8.913 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.26. The initial pressure of the reaction products is 0 atm.

*asked on October 2, 2016* -
## math

in the 6th grade 12 out of 27 students have a pet. if there are 162 students how many would have a pet? i get 72 is that right?

*asked on May 5, 2016* -
## math

ronald reads 1,000 words in 5 minutes how do i write as a unit rate?

*asked on May 2, 2016* -
## Math

Genny babysits for two different families. One family paints her $6 an hour and a bonus of $20 at the end of the night. The other family pays her $3 every half hour and a bonus of $25 at the end of the night. Write and solve the system of equations that

*asked on April 14, 2016* -
## science

Which of the following are psychological characteristics that Beatrice Whiting and John Whiting found to crosscut cultural boundaries

*asked on February 28, 2016* -
## Science

*NEED HELP ASAP* TIA Hi everyone! If you could help me I would really like that! Question: Suppose the moon rotated on its axis just as quickly as Earth. Would you still always see the same side of the moon from Earth?

*asked on February 16, 2016* -
## Pysics

An airplane flies 400 km west from city A to city B, then 200km northwest to city c and finally 100 km north to city D. How far it is from city a to d?

*asked on February 10, 2016* -
## Science

I would really appreciate help! Compare renewable and nonrenewable energy sources, and discus the effects of each on biodiversity. (I need about 6 sentences) (I have tried thinking about it and cannot seem to figure it out)

*asked on January 21, 2016* -
## math

Solve the system x+4y=1,-x+y=4.What is the -coordinate of this solution x.

*asked on January 9, 2016* -
## Chemistry

A student dissolved 1.62 g of calcium bicarbonate into 500. mL of water. Excess amount of hydrobromic acid was then added to the solution until bubbling stopped. At STP, what approximate volume (in L) of the gaseous compound would be produced in this

*asked on October 17, 2015* -
## Math

The number of locks is 9 in the ones place the number in the hundreds place is one more than the number in the tens place those two numbers equal 11 how many blocks are there

*asked on September 22, 2015* -
## math grade 12

A sheet of plastic stops 25% of the light and lets through the residual 75%. What percentage of the light is let through by two sheets of the plastic ?

*asked on August 17, 2015* -
## math grade 12

Sara got 85% and 89% on her first two Maths tests. What must she get on her third test to have at least a 90% test average. Assume three tests, represent the problem with an inequality and then solve it.

*asked on August 17, 2015* -
## Phenoix

teresa buys 100 shares of XYZ sock on margin at $20 per share. If the margin requirement is 45 percent, the interest rate is 10 percent, and she holds the security for 1 year, how much interest must she pay?

*asked on June 14, 2015* -
## math

Find the volume of the solid formed by revolving the region bounded by f(x)= 2-x^2 and g(x)=1 about the line y=1.

*asked on April 22, 2015* -
## Chemistry

The equation for the best fit line was y = -4058.7x + 16.10. Using the equation of the best fit line, calculate the heat of vaporization (delta H) and the NORMAL BOILING POINT (in Celsius) of this volatile liquid. Calculated: dHvap = 33.7kJ/mol ----> I'm

*asked on February 13, 2015* -
## physicsss

An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10^-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.9 x 10^-46 kg*m^2. Estimate, from these data, the

*asked on February 3, 2015* -
## chemistry

how many moles are present in 2.45 x 10²³ molecules CH₄?

*asked on February 1, 2015* -
## Biology

Which of the following is one role of RNA polymerase during transcription? A- to break down an already existing protein B- to produce a start sequence C- to build a molecule of mRNA D- to switch uracil with thymine on the exposed gene My choice is C.

*asked on December 31, 2014* -
## Physics

Which of the following statements is true? A hypothesis always leads to a theory which leads to a law. A hypothesis always leads to a law which leads to a theory. A hypothesis must lead to a theory only. A hypothesis can lead to either a theory or a law.

*asked on December 29, 2014* -
## physics

An egg rolls off a kitchen counter and breaks as it hits the floor. The counter is 1.0 m high, the mass of the egg is about 50 g, and the time interval during the collision is about 0.010 s. How large is the impulse that the floor exerts on the egg? use

*asked on December 7, 2014* -
## physics

Elephants communicate via infrasound, at frequencies as low as 14 Hz that can travel up to 10 km. The intensity of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. Determine the intensity level of the infrasound 10 km from the

*asked on November 24, 2014* -
## Science

1. A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag force from the air upward on it increases. When the upward force is 0.7 N, what is the direction and magnitude of the net force

*asked on November 7, 2014* -
## chemistry

How much benzoic acid is still dissolved when 73.53 mL of saturated boiling water is cooled to 20oC. The solubility at 20oC is 0.029g/10mL.

*asked on September 17, 2014* -
## Math

Two kids are building a rocket for science class. once the rocket is launched its height in feet, h(t) can be found using the function h(t)=-16t^2+128t where t represents time in seconds. They record the time from the moment the rocket launches until it

*asked on April 17, 2014* -
## Math

A shirt is on sale for 40% off. The sale price is $12. What was the original price? What was the amount of the discount?

*asked on April 1, 2014* -
## math;)

a kitchen is shaped like a rectangle with dimensions of 11 1/2 ft. by 9 1/2 ft. the floor of the room is made of square tiles with a side length of 1.2 ft. What is the number of tiles that will cover the kitchen floor?

*asked on February 9, 2014* -
## Chemistry

Would the VSEPR notation of CH3Cl be AX4?

*asked on May 23, 2013* -
## math

Peter has twice many stickers as Ali. Ali has 40 more stickers than Carlos. They have 300 stickers altogether. How many stickers does Peter have?

*asked on February 13, 2013* -
## social studies

what are advantages and disadvantages of dynastic rule in ancient Egypt

*asked on January 15, 2013* -
## physics

A peregrine falcon dives at a pigeon. The falcon starts downward from rest with free-fall acceleration. If the pigeon is 53.0 m below the initial position of the falcon, how long does the falcon take to reach the pigeon? Assume that the pigeon remains at

*asked on September 2, 2012* -
## British Literature 2

In Rosencrantz and Guildenstern are Dead, how do other characters define isolation (compared to Rosencrantz and Guildenstern) and how does it effect their actions? For example, how does Hamlet's sense of isolation from the court differ from the isolation

*asked on April 4, 2012* -
## physics

A rubber band of relaxed length 6.3 cm stretches to 10.2 cm under a force of 1.0 N, and to 16.5 cm under a force of 2.0 N. Does this rubber band obey Hooke's Law?

*asked on October 19, 2011*