# Math

## Recent Questions

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 ...

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 ...

Math
A recipe requires 3/4 cups of nuts for 1 cake. Enter the maximum number of cakes that can be made using 7 1/2 cups of nuts

Math
A fair charged \$2.50 admission for adults and a dollar for children. The receipts for 1 day were \$1951 on 1300 paid admissions. How many adults attended the fair that day?

Math
Match the expressions with thier equivalent equations in the columns. List A: List B: 6x+12 6(1+x) 6+6x 6x-6 6(x-1) 6(x+2) Fill in the blank: The expression 6x+12 is equivalent to the expression __________ The expression 6+6x is equivalent to the expression __________ The ...

Math
Marissa bought 6 fewer pints of soda then orange juice.how many cups of soda did she buy

Math
I help solving these out can someone work through them with me???? 19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. ...

math
ice in a refrigerator melts at rate of 3 kg per hour. the temperature outside is 27°c. find the minimum power output of a motor used to drive the refrigerator,which just prevents ice from melting. latent heat of ice = 80 cal/g,J=4.2 joule/cal, 1 h.p = 746 w

Math (Mrs. Sue help!!!)
Solve the inequality. d - 6 > -4 A. d > -2 B. d > -10 C. d > 2 D. d > 10

math
Time Height (Weeks) (CM) 1 1 2 4 3 6 4 9 5 11 ~Ok i have this problem and its a correlation coefficient, There is a lot of questions but how would you find if its linear or exponential.

Math
Now I really need help with this one because every time I think it is one answer it ends up wrong. Identify the question that is NOT statistical. A) According to the rules, how many swimmers are on a team? B) What were the times of the top five swimmers in the competition? C...

Math
|-10| + |5| A) -15 B) -5 C) 5 D) 15 I think A is the answer.

Math
Equivalent Ratios x y 3 4 9 ? 18 24 What number is missing from the table of equivalent ratios? A) 10 B) 12 C) 15 D) 16 i think it is 16 or 12

Math
A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a \$1400 sale? I think it is \$420.

Math
What are the like terms in this expression? 9a - 3b + 4ab A) 9a and -3b B) 9a and 4ab C) 9a, -3b, and 4ab D) no like terms I think it is d.

Math
If each cube represents 0.25 in3, what is the volume of the prism? A) 6 in3 B) 12 in3 C) 48 in3 D) 75 in3 I am not really goo with these, but I think the answer might be b. Please give me the explanation. Thank you

Math
A swimming pool and deck are built in a rectangle with length 40 ft and width 18 ft. If the pool itself is 320 square feet, what is the area of the deck itself? A) 320 square feet B) 400 square feet C) 480 square feet D) 560 square feet I think it is c.

Math
For which value of x is the equation 2(1 + x) = x + 3 true? A) 1 B) 2 C) 3 D) 4 I think it is c.

Math
Is the decimal 2.628 considered to be statistically significant?

math
Santiago, a park ranger, was trying to estimate the number of catfish in a lake. He randomly caught 32 catfish, tagged them, and let them go. Six months later, he surveyed fisherman at the lake about how many catfish they caught that were tagged. His survey results showed that...

math
what is 8,903.045 in 100s place

math
A prism is completely filled with 96 cubes that have edge length of 12 cm. What is the volume of the prism?

Math
Sam ordered 1/2 of a sandwich. He only ate 1/2. How much of the whole sandwich did he eat?

math
Camila wanted to learn cooking so that she could help out at home. In the cooking class, 10 students shared 6 8 kg of sugar equally. How much sugar would each student get? (Please round off your answer to the nearest whole number if needed. Leave your answer in g)

Math - Mean Value Theorem
Suppose f(x)=αx^2+βx+γ is a general quadratic polynomial with α≠0 and let [a,b] be any interval. According to the Mean Value Theorem there is at least one number c such that f(b)−f(a)=f′(c)(b−a). In this particular case the number c is unique and it's independent ...

Math/Algebra
Explain the composition of an algebraic expression, 3 sentences, an example

Math ASAP
Which number is irrational A. 3/17 B. 25/ C. 0.6 D. 33/

Math
Graph the two functions below, determine if they wre inverses based off the graph. Explain f(x)=x^2-3,g(x)=square root x+3

Math - calculus
Suppose f(x)=x^p where p>1 and [a,b]=[0,1]. According to the Mean Value Theorem there is at least one number c such that f(b)−f(a)=f′(c)(b−a). In this particular case the number c is unique but it depends on p. c=____ Your answer will be in terms of p.

Math
Solve the missing variable e^(x+6)+5=1

Math
During an epidemic, the number of people who have never had the disease and who are not immune (they are susceptible) decreases exponentially according to the function where t is time in days. f(t)=15,000e^-.05t Determine how long it will take for the initial number of people ...

Math
You rent x pairs of shoes for \$2 each. You buy the same number of drinks for \$1.50 each. You also pay \$9 for a bowling lane. Write an expression in simplest form.

Math
In a state legislature there were 119 more members in the House of Representatives than in senate. If there were m members in senate, write an expression to represent the totial members in the state legislature. PLZ HELP!!!!!

Math
In a state legislature there were 119 more members in the House of Representatives than in senate. If there were m members in senate, write an expression to represent the totial members in the state legislature. PLZ HELP!!!!!

Math
Write an addition equation must have one two and a three digit addend and use all of these digits 662-228-8000

Math
When drawing box and whisker plots, how do you know when you no longer need to draw the whiskers? For instance, in the following data points: 3,42,45,55,56,58,and 84, you do not need whiskers. However, in the data points: 12,35,37,41,53,58,59,91, you do need whiskers. Thanks!

math
what is -3.5 + 17? The online calculator says 13.5 and I don't get how that is the answer. I got 14.5 and I am confused. Please help me and explain this to me

Math
nine kids and two adults are going to the circus. kids tickets are on sale for only half the price of adult tickets. the total cost was \$72. how much is one kids ticket. how much is one adult ticket

math - algebra

math
A rectangular closet is three feet longer than twice the width. The area of the closet is 65 square feet. Find the perimeter of the closet.

College Math
Michael is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of History is Fun he sells. Suppose that x and y are related by the equation 1700+90x=y .

Math 120
You are dealt one card from a​ 52-card deck. Find the probability that you are not dealt an ace.

MATH
Evian's average no five tests were 90%. The average of the four highest test scores was 93%, and the average of the four lowest test scores was 87.75\$. What was the sum of the lowest mark and the highest mark?

MATH
Jenny agreed to work for a year for \$9000 plus a motorcycle. At the end of 5 months, she left the job and received \$250 plus the motorcycle for her pay. What was the value of the motorcycle?

Math
A college football coach wants to know if there is a correlation between his players' leg strength and the speed at which they can sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each player can leg press 350 ...

Math
a school bus has 1000 students. on wednesday, 300 students went on a field trip. what percent the students did not go on the field trip.

Math
A book on Tameka's shelf weighs 3 (pounds). How many ounces does the book weigh?

2.on which of the following lines does the point (7, 1) lie A. y - 5x = 4 B.y = x - 10 C. y=-4x + 3 D. y= -x + 8 Is it B? 3.Find the slope of the line through (-9, -10) & (-2, -5) A -5/7 B 7/5 C 5/7 D -7/5 Is it D? 10. The equation t=0.07c represents tax, t , based on the cost...

math
240 people attended a concert.tickets for adults were R60 and for children R40. The concert raied R12800. How many adults and how many children attended???

Determine which ordered pair is a solution of y= -5x + 10. A. (-15,5) B. (2,0) C. (-1, -5) D. (3, 25) My answer is A. Am I correct?

Math
I have to estimate the area of a circle and use 22/7. The diameter of the circle is 28 cm.

Math
2. Estimate the radius of a circle with the circumference of 272.2 inches. Use 3.14 for pi. Round to the nearest tenth. a. 43.3 b. 136.1 c. (86.7) d. 5,887.2

math
if m<4=25*, then what is m<8 Would it be 75* Sorry im asking a lot of questions but im taking a mathe test and im struggling on it and I re read my lessons but I still don't get it as good and im one lesson behind in math so I have to finish my test before I can move on...

math
Find the slope of the line through (-9,-10) and (-2,-5) A. -5/7*** B. 7/5 C. 5/7 D. -7/5

Math
Anna is buying 2/5 of a pound of beans for dinner . Mercy is buying 7/4the amount of beans that Anna is buying how many pounds of beans is mercy buying

Math
30 red socks, 22 gold socks and 14 black socks. How many socks would he have to pick up before getting a matching pair?

Math
A school has 1200 pupils of 3/4 of the pupils travel to school by bus how many of the pupils travel to school by bus

Math
A speed camera recorded 1637 speeders in six months. This represented 3÷1000 of all the cars that passed off the camera. How many cars passed the speed camera per day on average?

Math
In an isosceles triangle,the shorter side is 20% shorter than the long sides.the perimeter is 15.4cm. how long is the shorter side?

Middle School Mathematics How can I write a question In words that could be answered using expression for each and a diagram. 3/4 ÷ 1/2 and vise versa 1/2 ÷ 3/4 OK so I found a sample but I just can't think how would I write it out for my problems.

Math
2. A survey about the student government program at a school finds the following results: 190 students like the program, 135 students think the program is unnecessary, and 220 students plan on running for student government next year. If a circle graph were made of this data, ...

Molly bought two sweaters for \$30 each and three pair of pants for \$25 each. She had a 20% off coupon for her entire purchase. Model and write an expression for the amount of money Molly spent. State your answer in a complete sentence.

Math
Mrs.Jacobs bought one third of one yard of material at \$6.96 per yard, and 3 yards of material at \$8.24 per yard. How much did she spend for all of the material?

Math
At the same store, Peter bought 2 pairs of pants and 5 shirts for \$61, and jissica bought 3 pairs of pants and 2 shirts for \$64. How much does 1 pair of pants cost? ~Please explain this problem to me

Throughout the season, drew scored 18 touchdowns. He scored 10 in the first 6 games. How many did he score in the last 4 games? Write the equation and solve.

Math
Half of a pizza was broccoli and half was mushroom. George ate 2/3 of the broccoli and 1/4 of thee mushroom part. How much of the pizza did he eat? I did this problem but I wasn't sure of my answer so I needed someone to see if I am right or not. My answer is 1/6 and I got ...

math
can-8 be written in scientific notation?

Math
What is 1 7/12 - 3/20 equal to? I tried to do this question but I couldn't quite get the answer. For the directions of the work, its says use the least common multiple as the denominator and when I came across this one, I couldn't quite get the answer. If anyone, who knows the...

math
A new shoe comes in two colors, grey or navy, and in sized 6 to 14, including half sizes.if a pair of the shoe is chosen at random for a store display, what is the probability it will be navy and size 10 or larger?

Math
A serving of chicken has 37 grams of protein and 3 grams of fat.how many calories are in a serving of chicken

Math
A bicycle tire has a stone stuck in it. The radius of the tire is 46cm. Every time the wheel turns, the stone hits the ground. a.) How far will the bicycle travel between the stone hitting the ground the first and second time? b.) How many times will the stone hit the ground ...

math 8
can you write any whole number as the sum of powers of 2 and only use each power once

Math
A table cloth covers a circular area of 120cm2. What is the radius of the table cloth?

math
A janitor cleaned a classroom and found 6 pens, 8 pencils, 3 erasers and 7 sharpeners. What percent of what found is pencils?

Math
A small country consists of seven states; there are 189 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown, State A: 1283 State B: 2374 State C: 2725 State D: 2155 State E: 1592 State F: 2511 State G: 2017 ...

Math 120
A die is tossed. Find the odds against rolling a number greater than 2 The odds against rolling a number greater than 2 are __ : ___

Math
Eleven seats on a condominium association board for buildings Amity, Buddy, and Chum are to be apportioned. Current Representation: Amity Buddy Chum 1 800 2113 4050 2 267 704 1350 3 133 352 675 4 80 211 405 5 53 141 270 Use the given table of Huntington-Hill numbers to list ...

Math
If a rectangular office space is 72 feet wide and has a 410 foot perimeter what is its area

Math
At what time do the hands of a clock form an acute angle

Math
On a quiz a student answered 16 questions correctly. This was 80% of the questions on the quiz. How many questions were on the quiz? 6th grade math.

Math
How do you make this problem true 4+3x5-1=22

Math
To win a trivia game you need atleast 60 points. Each question is worth 4 points. So far , you have earned 24 points. Write and solve an inequality that represents the number of questions you need to answer correctly to win a game.

Math
what is the unit price if a 4-pack of candy bars sells for \$2.12

Math
Solve the system equations y=4x+8,x^2+7x-20 I'm truly lost

math
Recipe calls for 2 cups flour to 3/4 cup milk. How much milk would I need for 11/4 cups flour?

Math
The net shown below forms a square pyramid. Find the surface area of the square pyramid. The numbers are 5, 5 and 4. How do I do this?

Math
A carton can hold 1,000 unit cubes that measures 1inch by 1 inch by 1 inch. Describe the dimensions of the carton using unit cubes? I don't understand the question