# Homework Help: Math

## Branches of Math

## Recent Math Questions

**math**

-4+7x+4=8 direct vriation

*Thursday, March 2, 2017 by jo*

**math**

Tom's t-shirts were either red, yellow or green. 20% of the t-shirts were red, 50% were green and the the remaining 27 were yellow. A)hoow many -tshirts does he have altogether how many t-shirts were red how many more green t-shirts has he than yellow t-shirts

*Thursday, March 2, 2017 by indira*

**math**

The price of a U.S. stamp is $0.44. That price is expected to rise by 4.5% in January. What will be the price of a U.S. stamp come January? Round the answer to the nearest cent.

*Thursday, March 2, 2017 by Kurbria*

**math**

A bag contains 2 white marbles amd 3 green marbles. Two marbles are drawn at random, one after the other. The first marble is replaced before the second one is drawn. What is the probability that the first marble is green and second one is white?

*Thursday, March 2, 2017 by damon*

**6 grade math**

I need help with these two problems if someone can explain the steps thank you Use a generic rectangle to find each product Problem 1: 3 and 1/6 × 2 and 1/2 Problem 2: 1 and 1/3 × 1 and 1/6

*Thursday, March 2, 2017 by Unknown1*

**Math related rates**

Water is poured into a conical paper cup at the rate of 3/2 in3/sec (similar to Example 4 in Section 3.7). If the cup is 6 inches tall and the top has a radius of 4 inches, how fast is the water level rising when the water is 2 inches deep? I got (81)/(128*3.14) but it keeps ...

*Thursday, March 2, 2017 by chan*

**Math Estimating products**

Which Benchmark Fraction could you use to estimate the product of 36 x 11/16 ? PLEASE HELP ME ANSWER IM STUCK IDK

*Wednesday, March 1, 2017 by Karla*

**Math**

111.0 cubic ft to cubic inches. please...455.9 cubic inches in a basket ball...how many basket balls..Can you fit in 111.0 cu ft...Any help!!!!

*Wednesday, March 1, 2017 by Rickey*

**math algebra, please check my answers**

1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) simplify this expression (2x*2+4x-...

*Wednesday, March 1, 2017 by Quarie*

**Math**

Six of the classes at your school are going to the pool for swimming party that means 125 students need to get on buses in each bus holds 48 students how many buses with the school need?

*Wednesday, March 1, 2017 by Riley*

**math**

(Systems) how do I solve 5x+3y=2 and x+2y=6 using substition This is what I did X+2y=6 eq.1 5x+3y=2 eq.2 X=-3y/5 Sub(x=-3y/5) into eq.1 -3y/5 + 2y=6 7/5y=6 y=30/7 Sub(y=30/7) into eq.2 5x+3(30/7)=3 5x+90/7=3 5x=-69/7 x= -68/35 The answer I got was (-68/35, 30/7) but I know it'...

*Wednesday, March 1, 2017 by Esther*

**Math**

gapeach69 The population of a city is 45,000 and decreases 2% each year. If the trend continues, what will the population be after 15 yrs? A) about 14,746**** B) about 33,236 C) about 41,000 D) about 47,504

*Wednesday, March 1, 2017 by Fira*

**Math**

How many triangular prisms does it take to make one triangular pyramid?

*Wednesday, March 1, 2017 by Nette*

**Math**

Georgia has 5 yards of ribbon. She needs 1/3 yard to make one bow. How many bows can Georgia make?

*Wednesday, March 1, 2017 by Hannah*

**math**

If the wages of 12 men for 17 days is Rs.34000, find the approximate wages of 16 men for 18 days.

*Wednesday, March 1, 2017 by Anonymous*

**math**

On the sphere x^2+y^2+z^2 = 13^2, there are many great circles that intersect at (3, 4, 12). Find coordinates for the other point where these circles all intersect.

*Wednesday, March 1, 2017 by Grace*

**Math**

A rectangle or garden bed is 3 2/3' x 4.5'. Bricks that are half a foot wide are being laid inside the perimeter of the garden. what is the area of the garden bed inside the brick edging?

*Wednesday, March 1, 2017 by Me*

**math**

Todd bought 1 1/2 yards of fabric. Each pillow uses 3/8 yard of fabric. How many pillows can Todd make?

*Wednesday, March 1, 2017 by yoshi*

**Math**

Two integers differ by four, with the property that the sum of their reciprocals is the same as 14 times the product of their reciprocals. What are the two integers?

*Wednesday, March 1, 2017 by Alex*

**Math**

If you bike for 3 hours at 10 mph and then walk for 1 hour at 2 mph, what would be your average speed?

*Wednesday, March 1, 2017 by Anonymous*

**Math**

which has the greater area: a square with a side that measures 7 meters, or a 6-by-8 meter rectangle?

*Wednesday, March 1, 2017 by Tyse*

**Math**

The length of a rectangle is 8 feet more than its width. If the width is increased by 4 feet and the length is decreased by 5 feet, the area will remain the same. Find the dimensions of the original rectangle.

*Wednesday, March 1, 2017 by Alexander*

**Math**

Melanie needs 75% of sugar solution to conduct an experiment.However she only has 40% and90% sugar solution available .how much each solution must she use in order to obtain 60L of the75% of solution? Please answer now , it's very important!!

*Wednesday, March 1, 2017 by Samar*

**Math**

Why is it necessary to rename 4 1/4 if you subtract 3/4 from it

*Wednesday, March 1, 2017 by Chris*

**Math**

How to do the formula for solving the area of a circle with a radius of 88.37733888387438

*Wednesday, March 1, 2017 by Ko*

**math**

BUY 6 APPLES AND GET 1 FREE APPLES COST $4.00 EACH Sahida purchased $120 worth of apples. a) How much free apples did she get? b) How many apples did she get altogether? c) Sahida's friends also bought the apples on sale. She received 21 apples altogether, how much money did ...

*Wednesday, March 1, 2017 by indira*

**math**

cos(arcsin(x)+arctan(x))

*Wednesday, March 1, 2017 by Sienna*

**math**

This question is suppose to be simple but i keep getting it wrong Triangle LMN has vertices L(1, 6), M(6, 3) and N(5, 7). What type of triangle is Triangle LMN? Select all that apply Scalene triangle Right triangle Isosceles triangle Equilateral triangle Obtuse triangle Acute ...

*Wednesday, March 1, 2017 by Jakis*

**math**

Simplify the expression 23w^3-5w^2x+8wx^2-8w^3-13wx^2+30w^2x Group like terms so: 23w^3-8w^3= 15w^3 -5w^2x+30w^2x= 25w^2x 8wx^2-13wx^2 = -5wx^2 The final answer I got is: 15w^3+25w^2x-5wx^25wx Is this right? I had to simplify the expression.

*Wednesday, March 1, 2017 by Sarah*

**math**

At a party Juna bought 8litres of lemonade. there were 24 people at the party and each drank 30ml of lemonade: 1)how much lemonade, in litres was consumed? 2) how much lemonade was left over?

*Wednesday, March 1, 2017 by indira*

**math**

The data shown below shows the number of students in a school. Std 1 - 25 students std 2 - 20 students std 3 - 18 students std 4 - 17 students, If the school has 27 (2) seaters to seat all the students in the classes, how many (2) seaters are needed to seat all the students...

*Wednesday, March 1, 2017 by indira*

**math**

The data shown below shows the number of students in a school. Std 1 - 25 students std 2 - 20 students std 3 - 18 students std 4 - 17 students, If the school has 27 (2) seaters to seat all the students in the classes, how many (2) seaters are needed to seat all the students?

*Wednesday, March 1, 2017 by indira*

**math**

In a town of 5,000 people 30% are children.If 60% of the children are boys, how many girls are there in the town.

*Wednesday, March 1, 2017 by indira*

**Math**

The probabilities for randomly picking out marbles from a jar are given below. Green: 0.3 Blue: 0.2 Red: 0.2 Yellow: 0.3 What is the probability of picking out a marble that is not green and not yellow?

*Wednesday, March 1, 2017 by Anonymous*

**math**

which solid figure has the most vertices A, triangular prism , A , rectangular prism, C, rectangular pyramid ,or,D, triangular pyramid

*Wednesday, March 1, 2017 by solid figures*

**Math (Business)**

Find the value of the ordinary annuity at the end of the indicated time period. The payment R, frequency of deposits m (which is the same as the frequency of compounding), annual interest rate r, and time period t are given. amount 1,000; quarterly; 6.2%, ...

*Wednesday, March 1, 2017 by Braxton*

**Math**

Demostrate how Pythagoras came up with his theory, using a right angle triangle with side measurements of: a= 5cm and b= 4cm. Explain your thinking.

*Wednesday, March 1, 2017 by AnonymousHackerxx*

**Math**

The hypotenuse of a right triangle is √61. What whole-number lengths of legs can this triangle have? Explain.

*Wednesday, March 1, 2017 by AnonymousHackerxx*

**Math**

A rectangle has the area of 25 square feet. A similar rectangle has an area of 240 square feet. What is the ratio of the area of these similiar triangles?

*Wednesday, March 1, 2017 by Anonymous*

**Math**

The scale on a map is 1 in: 4 miles. Find the actual distance in miles for each length on the map. 1/ 2 in. Answer: d=8 2/ 7.2 in. Answer: d=288 3/ 3.5 in. Answer: d=140 4/ 11 in. Answer: 44 Write the ratio as a scale in simplest form. 3cm\15cm Answer: 1/5 or 1:5 71/5 in./30 ...

*Wednesday, March 1, 2017 by Na*

**Math**

There are two triangles for which A=30∘,a=5,and b=8 The larger one has c= ? and the smaller one has c= ?

*Wednesday, March 1, 2017 by Jake*

**Math 7**

find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ft2 B. 720 ft2 ** C. 433 ft2 D. 135 ft2

*Wednesday, March 1, 2017 by LILO*

**math**

A triangle has an angle that measures 40°. The other two angles are in a ratio of 11:17. What are the measures of those two angles?

*Wednesday, March 1, 2017 by please help*

**Math**

A ship is sailing due north. At a certain point the bearing of a lighthouse is N 40∘E and the distance is 15.5. After a while, the captain notices that the bearing of the lighthouse is now S 54.9∘E. How far did the ship travel between the two observations of the lighthouse.

*Wednesday, March 1, 2017 by Mike*

**Math**

The value of the expression (6x^3y)(8x^2y^4) for x = 2 and y= -1 is?

*Wednesday, March 1, 2017 by Ali*

**Math**

compare and contrast spiral and elliptical galaxies. (make at least 2 comparisons.)

*Wednesday, March 1, 2017 by Seananners*

**Math plz help**

Put these smallest to largest 1. -3√2 2. √9 3. 2√3 4. -2√7

*Wednesday, March 1, 2017 by Help*

**Math**

When 3^4√2 written as an entire radical 4√n= ?

*Wednesday, March 1, 2017 by Help*

**Math**

When 3√y^7/√y3 is simplified and written in the form of y^a/b, the values of a and b respectively are? ___ and ____

*Wednesday, March 1, 2017 by Help*

**Math**

1. The value of 7^3√32 rounded to the nearest tenth is?

*Wednesday, March 1, 2017 by Help*

**Math**

The percent P of a radioactive substance remaining after time t weeks is given by the formula p = 100.(0.5)^1/20 the percent to the nearest whole number of radioactive substance remaining after 30 weeks is?

*Wednesday, March 1, 2017 by Help*

**Math**

Triangle ABC has coordinates A(-4,-2), B(0,-2), and C(-4,1). Triangle DEF has coordinates D(3,6), E(3,2), and F(0,2). Use coordinate geometry to determine if these two triangles are congruent. If they are not congruent, state the reason. A: The triangles are congruent. B: The ...

*Wednesday, March 1, 2017 by Reeces*

**math**

An orchard produces 720 liters of maple syrup per year. How many kiloliters of maple syrup does the orchard produce in a year?

*Wednesday, March 1, 2017 by josselin*

**thinking works math**

Part 'A' answer: Show all of your calculations and label your answer. *

*Wednesday, March 1, 2017 by Anonymous*

**Math**

The pizza shop offers the top being shown below how many different three topping pizzas can you make pepperoni mushrooms sausage onion ham 6 10 4* 5

*Wednesday, March 1, 2017 by Ellie*

**math**

An orchard produces 720 liters of maple syrup per year. How many kiloliters of maple syrup does the orchard produce in a year?

*Wednesday, March 1, 2017 by carol*

**Math**

I need to get which property of multi-plication this person did. the problem is 2(3.45+5.7)=.402 but I got 18.3. HOW?!??!?! I did my math I did every property I could think of/

*Wednesday, March 1, 2017 by Grant*

**Math**

There is a circular Park in front of a shopping mall whose radius is 20m. There is a gravel path of uniform width the 2m around the park. Find :A person take 5 round of the circular Park. What distance he cover.

*Wednesday, March 1, 2017 by Sneha*

**Math**

Compare using,<,>,= -15_____-21 Which number is greater than -24 -42 -27 -16 -32

*Wednesday, March 1, 2017 by Pretty Gang Girlz*

**Math**

Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer. x; 5,10,15,20 y; 2,1 ,2/3,1/2 Can someone please help me with this? I really don't ...

*Wednesday, March 1, 2017 by Olivia N J*

**Math**

A car travels for three hours at 80km/hour. After three hours, it turns right. It drives 60km/hour for three hours. How many km has it traveled? What was the average speed of the car?

*Wednesday, March 1, 2017 by RD*

**Math**

Breadth of a rectangular field is 300 meters and the perimeter is 800 meters ,find the length

*Wednesday, March 1, 2017 by Somansh*

**Math**

Why is log(base 1/a)x a reflection over the y axis?

*Wednesday, March 1, 2017 by Clark*

**Need help in Math(algebra)**

1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) simplify this expression (2x*2+4x-...

*Wednesday, March 1, 2017 by Quarie*

**math algebra**

I posted my last question wrong. 1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) ...

*Wednesday, March 1, 2017 by Quarie*

**SAT Math**

The line passes through points (4,7) and (-5,-5), where the line intersects the y axis, what is the slope? 1/3 or 2/3 or 3/2 or 1/2

*Wednesday, March 1, 2017 by Quarie*

**math**

it cost a company 15,000 per day to operate a plant no matter how much product they produce. in addition, it cost 75 per unit produced. write an equation that represents the total cost to operate the plant each day. use the variable x to represent the number of units produced...

*Tuesday, February 28, 2017 by emely*

**math**

A pair of dice is rolled. Find the probability of rolling a) a sum not more than 1010, b) a sum not less than 77, c) a sum between 33 and 77 (exclusive).

*Tuesday, February 28, 2017 by Anonymous*

**Math**

What is the approximate circumference if diameter is of 23 feet

*Tuesday, February 28, 2017 by Karen*

**math**

You new sales job offers you a choice of salary plans: a) 6% of all your sales; or b) a monthly salary of $1500 and 4% of all your sales. How much do you have to sell in order for the first plan to be equal to the second plan? Show how you would use one or more linear ...

*Tuesday, February 28, 2017 by emely*

**Math**

Five girls share nine feet of ribbon equally how many feet of ribbon does each student recieve?

*Tuesday, February 28, 2017 by RD*

**Math**

Four students share 6 oranges equally. How many oranges does each student get?

*Tuesday, February 28, 2017 by RD*

**Math**

Why is log1/a(x), a reflection over the x axis?

*Tuesday, February 28, 2017 by Kevin*

**Math - Linear Approximation**

Use a linear approximation to estimate the number (27.07)^(2/3)

*Tuesday, February 28, 2017 by Anonymous*

**Math**

Jose decided to make a vegetable garden in his rectangular backyard. The garden will be 25 ft. long and 12 ft wide. how many feet of fencing material will he need to surround the garden with a fence?

*Tuesday, February 28, 2017 by Kalvin Sandoval*

**Math**

Find the area for the circle (use 3.1 for pi) Round to the nearest tenth The circles radius is 23 yd.. My answer is 1666

*Tuesday, February 28, 2017 by Chloé*

**Math**

Suppose a total of 3572 seats were sold for a performance.How many seats in the theater would be empty that evening. Explain how you found your answer

*Tuesday, February 28, 2017 by Alyssa*

**Math**

At an animal shelter,there are 15 dogs, 12 cats, 3 snakes, and 3 parakeets. A.what percent of the number of cats is the number of dogs? B.what percent less parakeets are there than dogs? C.what percent less parakeets are there than dogs? D.which animal has 80% of the number of...

*Tuesday, February 28, 2017 by Obiageri*

**Math**

Write each power as radical 1. 12^1/4 2. (-50)^5/3

*Tuesday, February 28, 2017 by Mileena*

**Math**

Jack broke apart 5 x 216 as (5 x 200) + (5 x 16)to multiply mentally.What strategy did Jack use

*Tuesday, February 28, 2017 by Tyleesha*

**Math - implicit differentiation**

Suppose 5x^2+2x+xy=2 and y(2)=−11. Find y′(2) by implicit differentiation.

*Tuesday, February 28, 2017 by Anonymous*

**Math**

Write a story problem that can be represented with 1152÷24

*Tuesday, February 28, 2017 by Sophia*

**math 1**

6x + 8y=4 8x -3y=19 I did elimination. 82y=-82

*Tuesday, February 28, 2017 by Rocky*

**math**

Sam worked from 7:30am to 4:00pm from Monday to Friday. If he earns $24.00 per hour for the first 35 hours and time and a half for over time, calculate the following: a)The number of hours he works weekly. b) Regular time salary c) Overtime Salary d)Total Weekly Salary $Answer

*Tuesday, February 28, 2017 by indira*

**math**

The mass of a packet of wafers is 64 grams. In each packet there are 4 wafers. If the packets must be placed into a box that can hold a maximum of 3.2 kilograms, calculate: a) The mass of one wafer. b) The number of wafers that the box can hold.

*Tuesday, February 28, 2017 by indira*

**Math Plz help ASAP**

In football, a field goal is worth 3 points. Which function rule relates the number of field goals, f, and the number of points, p? A) f=3p B) p=3f C) 3+f D) p=3+f Which function rule is represented by the table? X[0,1,2,3 Y[3,5,7,9 A)y=x+3 B)y=x+6 C)y=2x+3 D)y=4x+1 Which ...

*Tuesday, February 28, 2017 by ThatOneGuy*

**math 1**

9x-4y=-3 8x-3y=-1

*Tuesday, February 28, 2017 by Rocky*

**math**

Fifteen oranges cost $6.00. a) How much will Anna have to pay for 32 oranges? b) How many oranges can she buy with $32.00?

*Tuesday, February 28, 2017 by indira*

**math 1**

6x+8y=4 8x-3y=19

*Tuesday, February 28, 2017 by Rocky*

**math**

The mass of a packet of wafers is 64 grams. In each packet there are 4 wafers. If the packets must be placed into a box that can hold a maximum of 3.2 kilograms, calculate: a) The mass of one wafer. b) The number of wafers that the box can hold.

*Tuesday, February 28, 2017 by indira*

**math**

Chris went to his friend Andrew’s birthday party. He travelled 0.55 the distance by bus and walked the rest. a) What fraction of the distance did Chris walk? b) If Chris walked a distance of 1.8km, how far from Andrew did he live? Answer km

*Tuesday, February 28, 2017 by indira*

**Math grade 6**

3rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the tank. Assuming there was ...

*Tuesday, February 28, 2017 by Peach*

**math**

A roll of ribbon is cut into 28 pieces, each \frac{3}{4} m long. What was the TOTAL length of ribbon on the roll?

*Tuesday, February 28, 2017 by indira*

**math**

A circular pie was cut into 6 equal slices. Calculate the angle formed by each slice.

*Tuesday, February 28, 2017 by indira*

**math**

The container when 3/5 filled can hold 45 marbles. a) How many will it hold when filled? b) How many more marbles are needed to completely fill the container?

*Tuesday, February 28, 2017 by indira*

**math 1**

3x - 8y = -17 2x -7y = -18

*Tuesday, February 28, 2017 by Rocky*

**math**

Identify and give all the appropriate names for three different quadrilaterals or other geometric figures in this Navajo eye dazzler design.

*Tuesday, February 28, 2017 by Please help math*

**math**

You flip a fair coin 10,000 times. Approximate the probability that the difference between the number of heads and number of tails is at most 100.

*Tuesday, February 28, 2017 by D*

**Math**

Write as a radical power 1. 3√13^2 2. √(2/3)^5

*Tuesday, February 28, 2017 by Mileena*

**Math**

True or false (check) A. All integers are natural numbers FALSE B. All rational numbers are integers TRUE C. All natural numbers are whole numbers TRUE D. All rational numbers are roots FALSE

*Tuesday, February 28, 2017 by Mileena*