Math

Recent Questions

Math Fractions
To make a sports drink for the football team, Jaylen filled 9/10 of a large cooler with water. Then, he filled the remaining space with 6 cups of sports drink concentrate. How many gallons of sports drink did JAylen make? 1 gallon = 16 cups

Math word problems
Louise mowed a neighbors yard to earn \$25. She mowed a few more yards and earned an additional \$75. She continued to mow all of the yards each week for a total of 5 weeks, earning money at the same rate. At the end of the 5 weeks, she spent \$250. Write a numerical expression ...

Math
George is going to buy a new Chevy Jupiter for \$20300. The dealership will offer a loan for the total value of the car at 9.75% APR for 4 years. Round all answers to the nearest penny. Use Web Loan Calculator to answer part of this question Okay so i understand how to do it, ...

Math
R varies partly as x and parly as the square of y. R=21 when x=y=1 and R=48 when x=y=2.Express R. in terms of x and y.

Math 120
A construction company is planning to bid on a building contract. The bid costs the company \$1800. The probability that the bid is accepted is 1/5. If the bid is accepted, the company will make \$46,500 minus the cost of the bid A) what is the expected value in this situation...

6th gr. math
c=s The variable s represents number of additional necklaces and the variable c repres. total # of diamond neck.If louie has 3 neck. in his hand how many are diamond necklaces? please help me solve

math
The store employee works 35 hours per week. Which inequality can be used to find the dollar value, x, of weekly sales that the employee must make to earn more than \$400 per week?

math
what is 2x^2=8 graphed?

Math
1.Suppose that the function f(x) = 5x + 3 represents the number of cars that drive by in x minutes. How many cars will drive by in 10 minutes? a. 80 b. 53 c. 50 d. 35 2. Buses on your route runs every 8 minutes from 7:00am to 11:00am. You arrive at the bus stop at 8:19am. How ...

math/science
If y is directly proportional to √x ,will on increasing y by 200%, x will become 4 times

math
1.estimate the sircumference of a circle with the given radius or diamiter. use 3.14 for pie. the raius is 24 and the answers are:A27 B79 C1809 D151

As a computer programmer, you have to define the movements of a battleship across a virtual grid. Will you program the transformation from the original position (Figure I) to the final position (Figure II) as a translation, reflection, or rotation?

Math
A manufacturing company wants to minimize the cost of materials for a pop can which needs to hold 640 mL. Find the radius and height (in centimeters) of the cylindrical can with minimum surface area that holds this volume. Give your answer as a decimal number accurate to at ...

math
A microwaveable cup-of-soup package needs to be constructed in the shape of cylinder to hold 550 cubic centimeters of soup. The sides and bottom of the container will be made of syrofoam costing 0.03 cents per square centimeter. The top will be made of glued paper, costing 0....

Math
4+2(exponent 5) divided by 9. Add parentheses to make each expression equal 4

Last one At present, Mark's age is x^2 years and Peter's age is x years. When mark is 10x years, Peter will be 3x years. What are their present ages? Question is kind of confusing to me, so again i just need help forming the equation. Thanks.

The base of a triangle is 6 cm longer than its height. If the area of the triangle is 140cm^2, what is the length of the base? Im just confused on how the equation should be formed. Thanks.

math
The height of a person above the ground on a Ferris wheel is given by the function h(t)=9 sin {pi/20 (t- pi/2))+ 12 where h(t) is the height in meters of person t seconds after getting on a) how long does it take the Ferris wheel to make one complete revolution b)what is the ...

Two consecutive even numbers have a product of 288. What are the numbers? The answer I got through trial and error was 18 and 16. Is there a way for me to form the question into an equation and work that out to find the answer, instead of just guessing numbers? Thanks.

Math
The original price of stock was D dollars.the selling price for share of the same stock at latter date was represented by the expression 1.15(0.95d ) which description could explain what happened to the price. OF share of stock A the price decreased by 5% and then increased by...

Math
There is 5 gallons of pineapple juice and I have a six oz glass how many drinks do I get out of the five gallon jar ?

Math
Shania bought a new computer for 1,550 from computer 'r' us. If the value of the computer depreciates at a rate of 5.35%per year, when will the value of the computer reach 825 ?

math
Confused!!! Six is three times as much as 2. Six is three times more than 2. Which one is correct???

math
2cos(1/2x)-cos(1/2x)=0 , where 0<x<2pi determine the complete solution for the equation

Math
particle P of mass m kg is attached to two fixed points A and B by two identical model springs, each of stiffness k and natural length l . The point A is at a height / l above the point B. The particle is free to oscillate vertically under gravity. The stiffness of each spring...

math
The inner circumference of a circular track is 440 m. The track is 14 m wide. Find the diameter of the outer circle of the track.

math
if one of the zeroes of a cubic polynomial x^3+ax^2+bx+c is -1.find the product of other 2 zeroes

math
Sasa, June and Don are waitresses. When they compare their tips at the end of their shift they notice that Juice earned 30c for every 40c that Sandy earned while Juice earned 20c for every 25c that Dido earned. How much would Dido earn if Sandy earns \$36?

Math
The amount of radiocarbon present after t years is given by y=ae^-.0001216t . find the half live of 14

Math
If current trends of burning fossil fuels and deforestation continue, then future amounts of atmospheric carbon dioxide in parts per million (ppm) will increase exponentially. In the year of 1990, there was 353 ppm. A)In the year of 2000, there was 375 ppm of carbon dioxide, ...

math
The inner circumference of a circular track is 440 m. The track is 14 m wide. Find the diameter of the outer circle of the track.

Math
A circle is divided into 20 equal parts. Find the angle measure of one of the parts

math
if length of xz=48, xy=55, yz=73, what is the sin of y

math
4cos^2 x - cosx-3 =0 0 to 2pi SORRY TYPED THE QUESTION WRONG PLESSE HELP

math
15(5^x-2)=8^2x+1 extraneous root sorry for the re post, i typed it wrong

math
given f(x) = x^2 and g(x)= squar root x+4. determine the following compostions and their doamin and range a) f(g(x)) b) g-1(superscript) (f(x)) c) g(f(x)) +g-1(superscript)(f(x))

Math Help
A tortoise is 53 centimeters from its food. The tortoise is ambling toward its food at 8 centimeters per second. At this velocity, how far will the tortoise move in 5 seconds?

math
log(subscript)2 (x+5) + log(subscript)2 (x-1) =4 find the extraneous root

math
The pH or acidity of liquid is measured in pH, where pH is given by the equation pH=- log C, with C being the concentration of [H+] in multiples of M=1mol/L. Suppose you are given a solution of hydrochloric acid with a pH of 1.7 and asked to increase the pH solution by 1.4. ...

math
15(5x-2)=82x+1 solve the extraneous root

Math
Question 2 Tries remaining: 3 Points out of 1.00 Not flaggedFlag question Question text Tom is going to buy a new Toyota Mercury for \$23800. The dealership will offer a loan for the total value of the car at 2.25% APR for 4 years. Use Web Loan Calculator to answer. Round all ...

Math
Lele I want to bought a sandbox in her backyard the sandbox she build has an area of one do you want to square feet yard drive the sandbox to blow and label the side to show all the possible of21 and widths

Math
Samantha is going to buy a new Dodge Saturn for \$20800. After a 5% down-payment the dealership will offer a loan for the remaining value of the car at 3.25% APR for 4 years. Round all answers to the nearest penny. Use Web Loan Calculator to find some of the answers here.

math
A polynomial function function is defined by the equation p(x)=3x3+ax2+bx+7, where a, bE/. If p(-2)=5 and p(1)=14 then the value of a+b is...

Math
An area of 36 square metres is being enclosed on all 4 sides with the least amount of fence. If the fence comes in 2 metre sections, how many sections are neede?

1. How many solutions can be found for the equation 4x + 5 = 10? A. Zero B.One**** C.Two D.Infinitely Many 2.What is the value of z in the equation 3z − 7 = 14? A.3 B.4 C.7**** D. 21

Math Help
An equation is shown below: 4(2x - 5) + 15 = 11 Write the steps you will use to solve the equation and explain each step. Can someone please explain step by step this equation? Thanks!!

1. What is the value of b in the equation b + 8 = 13? A. 5**** B. 8 C. 13 D. 21 2. The steps below show the incomplete solution to find the value of x for the equation 7x − 3x − 4 = −1 + 21: Step 1: 7x − 3x − 4 = −1 + 21 Step 2: 7x − 3x − 4 = 20 Step 3: 4x − ...

Math
Laura is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 7.5 feet and a height of 12.25 feet. What is the area of the wall? Please help me!!

Math
If the decimal in the number 4157.98 is moved one place to the right the number will become-

Math
If the decimal in the number 4157.98 is moved one place to the right the number will become-

math
PLEASE HELP A rectangular hot tub is 6 feet long and 5 feet wide.A walkway 3 feet wide surrounds the hot tub.Find the area of the walkway A:30 square feet B:65 square feet C:102 square feet D:132 square feet

Math
In 1950 the annual per capita consumption of eggs was 495; that is, the average person ate 495 eggs per year. In 2004 the per capita consumption had dropped to 257. Fill in the blank with a fraction. (Round each annual per capita consumption to the nearest ten.) In 2004 the ...

Math
The music teacher would like to have the same number of girls and of boys in the chorus. She finds that 5/8 of the chorus are girls but that if she can get 10 more boys, the chorus will have the same number of boys as of girls. (a) How many students are in the chorus? (b) If ...

math
Keith has 10 books. Sally has 3 times more books than Keith. How many books does Sally have? which answer is correct, 10x3=30 or 10x(3+1)=40? cheers!

Math
there are 120 cards shared between Anna, Jane and Tina. Each time Anna gets 5, Jane must get 3, and Tina has to get 2 until all of cards are divided. How many cards does each person get?

math
can "10 is 6 more than 4" be written as "10 is more than 4 by 6". cheers!

Math
A Pedometer cost \$6.50. If I paid \$20.00, would I get change back? If so, how much should I get back?

Math
A large pizza at Tony's Pizzeria is a circle with a 14-inch diameter. Its box is a rectangular prism that is 1 14 8 inches long, 1 14 8 inches wide, and 3 1 4 inches tall. Your job is to design a crazy new shape for a large pizza. It can be any irregular polygon shape, but it ...

Math
Stacy earns \$12.50 an hour at her job. She wants to earn at least \$390. Write an inequality hat represents all of the possible numbers of hours (h) that she could work to make at least \$390.

Math
Jackson has 20 quarters if he gives four quarters to each of his children how many children does Miss Jackson have

Math
I have 17 hundreds,2 tens,9 ones,6 tenths and 7 thousands. What number am I?

Math (Calculus II) (Graph approximation)
Here is the link to the graph of f' in question: bit.ly/2oml70V I have a hard time trying to answer these kinds of questions when we're only given a graph of f'. a) Approximate the slope of f at x = 4. Explain. I believe the slope of f in this case would be a decreasing slope...

math
marching band wants to creat a square on the field using all the band members. If there are 169 members in the band, how many sgould be in each row? 1.12 2.15*** 3.13 4.11 Please tell me if im correct or not and Im in brain honey.

math
18. Identify a sequence of transformations that maps triangle ABC onto triangle A′′B′′C′′ in the image below. (1 point) clockwise 90° rotation; enlargement counterclockwise 90° rotation; reduction counterclockwise 90° rotation; enlargement ....... clockwise 90...

Math
18. Identify a sequence of transformations that maps triangle ABC onto triangle A′′B′′C′′ in the image below. (1 point) clockwise 90° rotation; enlargement counterclockwise 90° rotation; reduction counterclockwise 90° rotation; enlargement ....... clockwise 90...

math
Your medical terminology instructor listed the following grades for the class out of a 75-point test: 33, 34, 43, 45, 45, 54, 55, 59, 60, 62, 64, 66, 67, 68, 67, 68, 68, 69, 70, 70 If your score was 59, what is your percentile? Report your answer in this format: 20th

Math
Which ordered pair is a solution of y=x-4? (-1, -5) (0, -3) (2, 6) (3, 1) Which equation has (2,-1) as a solution? y=2x-1 y=x+3 y=x-3 y= -2x +1

Math
I have to find the value of X but I don't where to start I will show the problem below. X 2 - = - 5 400 I have no clue where to start please help! :(

Math Help
What is the value of x in the equation 3(2x + 4) = −6? A. −3 B. 1 C. 12 D. 19 Please explain this I'm having difficulties with this equation, I don't want to fail and loose my A in the class. Thank you.

Math
What is the value of x in the equation 2(2x − 5 − 4) = 160 − 17? A. 40.25 B. 62.25 C. 80.25 D. 143.0 Need help going over this

Math
1. y=3x-7 y=-x+1 A. One Solution*** B. Infinitely Many C. No Solution 2. x+3y=12 x=y-8 A. One Solution B. Infinitely Many*** C. No Solution 3. x+y=5 x+y=-2 A. One Solution B. Infinitely Many*** C. No Solution

Math (Algebra 2)
The odds in favor of Carl beating his friend in a round of golf are 7 : 4. Find the probability that Carl will beat his friend. Would I take 7/(7+4)=77 So, 77 would be the correct answer? Thanks!

Math
I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x = −6 + 10 Step 2: 7x + 8 − 3x = 4 Step 3: 4x + 8 = 4 Which of these is ...

MATH: Check my answers | HELP ASAP!!
What is the diameter of a circle with a circumference of 282.6 m? Round your answer to the nearest meter. 4.5 m 9 m 90 m##### 45 m Check my answer please.

math
which scatter plot represents the data, (1,1.4), (1,8), (2,8.5), (2, 8.8),(2.5, 1.5), (2.5, 5.1), (4.3.5), (4, 6.3), (6, 4)

Math
Markus got a 63 out of 65 questions right on a social studies test. What will be the percentage he would get from the questions he got right? Explain and show your work.

Math
Sarah had got 40 out of 50 questions right. What is the percentage of questions Sarah got right? Explain and show your work.

MATH
sinx devide by 1plus sinx

math
a diamond weighing 2.5 carats was cut into two pieces. The two pieces were put on a balance scale, one on each side. An additional weight of 0.9 carats on one side was required to maintain balance. Find the weight, in carats, of the larger piece

math
"the product of x and y decreased by 2”, which answer is correct? x(y-2)or xy-2? please!

MATH
FIND N: (6^(3n)*9^(n+1))/8^n=1

math
The illustration at right shows a rectangular box, three of whose edges coincide with the coordinate axes, and one of whose vertices is (3, 6, 4). Give an equation for the plane containing the front face of the box. Do the same for the top and right faces.

MATH
Two buses leave the same station at 8:00 pm. One bus travels north at the rate of 30 kph and the other travels east at 40 kph. How many kilometers apart are the buses at 10 pm?

Math
At a professional sports game, T-shirts are shot out of a small cannon into the crowd. Suppose a T-shirt is shot from 1 meter off the ground with an initial upward velocity of 20 meters per second. The height of the path of the shirt, in meters, is approximated by the ...

MATH
A cube has a volume of 27 cubic units. What is the length of the side of the cube? I don't understand how to get the answer for this question!! Does it mean one side or all sides? I know that 27 / 4 = 6.75 but I don't understand if it means all sides or one side.

Math
My homework says "A circle is divided into 9 equal parts.Why is the measure of the angle?"I need help i dont get it!

math
What is the product of the complex numbers (-3i+4) and (3i+4)? I've forgotten how to do this...

math
Owen and Ethan have \$175 together. How much money does each of them have if Ethan has \$33 more than Owen?

MATH URGENT HELP!
you put 5,000 in an account that is compounded quarterly. the annual interest rate ,r, is 4%. how much will be in the account after 10 years?

Math
To get a driver's license, an applicant must pass a written test and a driving test. Pasts records show that 80% of the applicants pass the written test and 60% of those who have passed the written test pass the driving test. Based on these figures, how many applicants in a ...

math
A data set is shown below. x y 1 6.00 2 5.04 3 4.23 4 3.56 5 2.99 6 2.51 7 2.11 Using an exponential best-fit model, what is the residual when x = 1. Round your answer to the nearest hundredth. This is the problem i dont understand line of best fit i dont get at all

math
A set of data is shown below. x: –1 0 1 2 3 4 5 y: 3 7 5 6 7 8 Using a line of best fit, what is the value of the residual for the data at x = 2? Round your answer to the nearest thousandth. I dont remember line of best fit if you could please explain this problem.

Math
A muffin recipe calls for a ratio of 5 cups of flour to 2 cups of sugar. For each cup of sugar that is used, how many cups of flour are needed?

Math
Is x+3=2y and x=2y-3 have infinitely solutions or one solution or no solution

Math NEED HELP URGENT
At noon, Professor Simon has a petri dish with 10,000 cells of Bacteria A. In another petri dish, he has 33,000 cells of Bacteria B. Every hour, Bacteria A grows by 8%. Every hour Bacteria B cells die off, decreasing the number of cells by 6%. After how many hours will there ...