# Homework Help: Math

## Branches of Math

## Recent Math Questions

**Math**

how many hours will it take Wendy to make 4 2/3 batches of cookies if she can make 1 1/3 batches in 1 hour

*Sunday, January 24, 2016 by Donald*

**Math**

What is 29x47 in expanded algorithm

*Sunday, January 24, 2016 by Zack*

**math**

X is partly constant and partly varies as y. When y is 5,x is 7 and when y is 7 x is 8. Find the law of the variation and find x when y is 11

*Sunday, January 24, 2016 by love Akubo*

**U.S. History (Check, Please!)**

What was the significance of the Soviet Union's launching of Sputnik in 1957? A: The Soviet Unions's launching of Sputnik in 1957 led Congress to create the National Aeronautics and Space Administration (NASA) to coordinate research in rock science and space exploration. It ...

*Sunday, January 24, 2016 by Victoria*

**math**

at what rate converted every 3 months will a sum of money triple itself in 18 years and 6 months.

*Sunday, January 24, 2016 by gilbert*

**math**

how does one know what "the central third" of a 10 m box is? I need to take an integral and I need to know the limits. Central third I'd say is 1/3 to 2/3? but I really don't know.

*Sunday, January 24, 2016 by Anonymous*

**math**

how long would it take a car traveling 175 mph to go 26 miles?

*Sunday, January 24, 2016 by Bill*

**math**

During a windstorm, part of the top of a flagpole breaks off. The broken top portion touches the ground at an angle of [c]5 deg 1[e] feet from its base (Note: if [e]=6, then 1[e]=16, and if [c]=3, then [c]5°=35°). how tall was the pole before the windstorm

*Sunday, January 24, 2016 by alex*

**math**

A picture 1.5 in by 2.5 in is enlarged in the ratio 5:8. Find the dimensions of the enlarged copy

*Sunday, January 24, 2016 by liza*

**Math**

The diameter of a car's tire is 60cm. While the car is being driven, the tire picks up a nail. At what times in two complete cycles is the nail at a height of 1cm above the ground. So far, I have calculated the circumference of the wheel (188.5) and I do not know the next step.

*Sunday, January 24, 2016 by Kat*

**Math**

How to use a net to find an area of a cylinder.

*Sunday, January 24, 2016 by New Americana*

**Math**

I had this question answered before,but I'm totally confused with the answer and need a clearer answer,as I'm totally lost. This is composite functions by the way.

*Sunday, January 24, 2016 by Matt*

**math**

The ratio of four less than a number to twenty six more than the number is 1:3 . what is the number?

*Sunday, January 24, 2016 by rose*

**Math**

I need the image of a EFG triangle such tha EF=4CM,FG=3CM AND EFG=90

*Sunday, January 24, 2016 by Jennifer*

**math**

find the sum cos^2(j) + sin^2(j), if j = p/3 -do I have to use a pythagorean identity?

*Sunday, January 24, 2016 by Matt*

**Grde 12 math**

Angle D is 110 degree.Angle A and B has (5y+10).What is the value for y and the measures of angle C and angle A?

*Sunday, January 24, 2016 by Anthony*

**Math**

What's in between the numbers -2 and -.125????

*Sunday, January 24, 2016 by Anonymous*

**Math**

Tony's mom wants to pay her son 2.00 for his first hour of work, and then double his pay every hour after that. If tony works six hours how much would he make?

*Sunday, January 24, 2016 by Tim*

**Math**

Don's pays his jimmy 2.00 per hour for the first hour. He plans to pay him double for the next six hours. How much would he earn at the end of six hours?

*Sunday, January 24, 2016 by Jon*

**math**

The first term of a geometric sequence is 3 and the sum of the second and the third is 60 determine the first three terms and the general term

*Sunday, January 24, 2016 by magdeline*

**Math**

Two railroad tracks cross each other if the measure of angle 1 is 3 times the measure of angle 2, what are the measures of angles 1,2,3, and 4? Explain and show your work

*Sunday, January 24, 2016 by Riley*

**Math help**

Samantha finds a bank, Star Bank, which offers a CD account with a 2% interest rate every month. Star Bank’s interest is not compounded. The interest is based on the original amount of deposit. Remember that Samantha has $500 to start the account. She will not withdraw or ...

*Sunday, January 24, 2016 by Anonymous*

**Math**

A cake recipe calls for 2 cups of flour. You want to make 2/5 of the recipe. How many cups of flour should you use?

*Sunday, January 24, 2016 by Billy*

**math**

if the lecture grade is the mastering points worth 20% and exams worth 80%. what is the lecture grade? mastering points: 1513 exam grades: 92,83,76,95,95 thank you!

*Sunday, January 24, 2016 by lauren*

**Math**

I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)? Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a ...

*Sunday, January 24, 2016 by Matt*

**Math theta angles**

Find every angle (theta) between 0 & 360 degrees for which the ratio of sin theta and cosine theta is -3.00

*Sunday, January 24, 2016 by TJ*

**math**

Y=2,x=30 and Y=6,x=50 Find the relationship between x and y. Find x when y=3

*Sunday, January 24, 2016 by Chimele*

**math**

A trench 4 meter long ,2 meter wide and 3 meter high was dug into the ground.find the volume of the earth dug out for making this trench.

*Sunday, January 24, 2016 by Mumtaz alam*

**math**

Given fofof=64x-21，find f(x)

*Sunday, January 24, 2016 by trouble*

**Math**

If a bank pays 2.4% interest compounded monthly on its certificate of deposit. What is the effective interest rate on annum

*Sunday, January 24, 2016 by Latha*

**Math**

The perimeter of a rectangle is72cm. It's breath is 8cm. Find its length

*Sunday, January 24, 2016 by Divya*

**math**

If I have $87,000 in an account with 4.5% interest, how much money will I have in 8 years? I don't understand the previous answer...sorry

*Sunday, January 24, 2016 by Brenda*

**math**

If in culture of yeast the rate of growth y'(t) is proportional to the amount y(t ) present at time t, and if y(t) doubles in 1 day, how much can be expected after 3 days at the same rate of the growth? After 1 week (Hint: Continuous growth model)

*Sunday, January 24, 2016 by genzeb nigussie*

**math**

If I have $87,000 in an account with 4.5% interest, how much money will I have in 8 years?

*Sunday, January 24, 2016 by Brenda*

**Math**

A calf is tied with a rope of length 6m at the corner of a square grassy lawn of side 20m. If the length of the rope is increased by 5.5m, find the increase in area of grassy lawn in whi the calf can graze.

*Sunday, January 24, 2016 by Anonymous*

**math**

In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...

*Sunday, January 24, 2016 by dapo*

**Math**

What is the formula for the nth term for the following sequence: 40, 16, 6.4, 2.56, 1.024, 0.4096?

*Sunday, January 24, 2016 by Cydney*

**math/trigo**

A 22 ft flagpole casts a 62 ft shadow. Calculate the angle of elevation to the sun

*Sunday, January 24, 2016 by Anonymous*

**math**

The wading pool shown is a trapezoidal prism with a height of a total volume of 286 cubic feet. What is the missing dimension? **The drawing shows the shallow height is 2ft. Length is 13ft. Width is 8ft. And a question mark for the height of the deeper end of pool. THANK YOU!!

*Sunday, January 24, 2016 by Tim*

**math**

Josie has 260 cubic centimeters of candle wax. She wants to make a hexagonal prism candle with a base area of 21 square centimeters and a height of 8 centimeters. She also wants to make a triangular prism candle with a height of 14 centimeters. Can the base area of the ...

*Sunday, January 24, 2016 by Tim*

**Math**

Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are offering neither biology nor chemistry

*Sunday, January 24, 2016 by Emmanuel*

**Math**

How to solve this problem 8.3 was added to a certain number. This sum was then divided by 11.2. Finally, the quotient was multiplied by 8. This product came out to 16. Please help I'm in 5th gradethank you..

*Sunday, January 24, 2016 by Tasene*

**Math**

My math problem says seven tenths exceeds seven thousandths by what number. Do I subtract like this: 0.007 - 0.7

*Sunday, January 24, 2016 by Frank*

**Financial Math**

Emily borrows 20,000 for 8 years at a nominal discount rate of 6% compounded quarterly. Calculate the amount of discount that Emily will pay.

*Sunday, January 24, 2016 by Anon*

**Financial Math**

You have $100 and could use it to buy 80 songs from itunes. Instead, you invest your $100 at an annual effective interest rate of 11.3% for 4 years. The price of songs on itunes is subject to an annual effective rate of inflation of r%. At the end of 4 years, you can buy 101 ...

*Sunday, January 24, 2016 by Anon*

**Math cars and SUVs**

The number of cars is larger than the number of sport utility vehicles by 94.7%. The difference between the number of cars and the number of suv is 18. Find the number of suv

*Sunday, January 24, 2016 by TJ*

**math**

Identify all components of this statement: 3a + 2b = 7. Is this an equation or an expression and why? o Constant o Variable o Term o Expression o Equation

*Sunday, January 24, 2016 by John*

**Math**

How many gallons of water should be added to raise water level 2 inches in a 40 x60 feet pool

*Saturday, January 23, 2016 by Bbanks*

**Math**

On the graph of f(x)=2sin(6πx), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.

*Saturday, January 23, 2016 by Cameron*

**Math 3rd Grade**

Toddrick has a photo album. Some pages have one photo on them, and other pages have two photos on them. If Toddrick has 9 photos, how many different ways can he put in the album?

*Saturday, January 23, 2016 by Tsamg*

**Math**

Im stuck on this question of b) and c),i already got a) which is as it can be the distance k can be given as k=squareroot d^2+(10+x)^2 Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at ...

*Saturday, January 23, 2016 by Tamar*

**Math**

Find the discount or intrest to the nearest cent. $500 television, 15% off

*Saturday, January 23, 2016 by Amy*

**math**

in triangle abc, a line parallel to AC intersects at AB at D and BC at E . If db is 6, ad is 2 and bc is 24, find de if ab and bc include a 60 degree angle

*Saturday, January 23, 2016 by vhena*

**math**

Add .003, 265.8, 83.04, 1972 in decimal form

*Saturday, January 23, 2016 by latondra*

**Math**

file:///G:/STAAR-G7-2014Test-math.pdf please help

*Saturday, January 23, 2016 by Harleen*

**Math**

For my math problem seven tenths exceeds seven thousandths by what number would I subtract seven tenths from seven thousandths (0.7- 0.007) or subtract seven thousandths from seven tenths. (0.007-0.7)

*Saturday, January 23, 2016 by Saul*

**Math**

Can you explain this: For my math problem 23 4/7 divided 4 it says to estimate. What do I do?

*Saturday, January 23, 2016 by Sam*

**math**

Please help solve 0.3x -1=0.2

*Saturday, January 23, 2016 by mary*

**Math**

1.The number of apples, a, is 6 less than half the number of pears, p. Write an expression that represents the number of apples in terms of the number of pears. 2.Which equation can be used to solve the following word problem? Jason has 4 more nickels than dimes, and the total...

*Saturday, January 23, 2016 by Anonymous*

**math**

the product of ritas savings and 2 is 36

*Saturday, January 23, 2016 by billly*

**math**

compare the models for 1/3 and 2/6. How does the number of parts relate to the size of the parts.

*Saturday, January 23, 2016 by A*

**Math**

Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?

*Saturday, January 23, 2016 by Sam*

**Math**

Is this the answer to 3/4% of 75: 0.5625

*Saturday, January 23, 2016 by Fred*

**Math**

So would it be this: 1/4, 9/32, 5/16

*Saturday, January 23, 2016 by Anonymous*

**Math**

For this question 3/4% of 75 would I change 3/4 to a decimal and put it over 100?

*Saturday, January 23, 2016 by Fred*

**Math**

So is this correct for this question: Name a fraction between 1/4 and 5/16 1/4, 8/32, 5/16

*Saturday, January 23, 2016 by Anonymous*

**math**

Ms. Sue I have a question. For this math problem: Name a fraction between 1/4 and 5/16 how do I do that

*Saturday, January 23, 2016 by Anonymous*

**Math**

Question: Name a fraction between 1/4 and 5/16

*Saturday, January 23, 2016 by Rick*

**Math**

What is the simple interest on Rs.4500 from January 5 to May 31 at 8% per annum?

*Saturday, January 23, 2016 by Gobinda*

**Math**

How do you find a measure of a triangle?

*Saturday, January 23, 2016 by smart1111*

**math**

marcel is standing 5 meters away from a street light. he is 2 meters tall and the light is 6 meters high. how long is marcel's shadow?

*Saturday, January 23, 2016 by margoth*

**Math**

Mrs. Alvarado gets a raise that increases their income to $6,500 a month. Their mortgage stays the same. What percent of their monthly income do they now spend on the mortgage? Some things to know: Mrs. Alvarado's income before the raise was 6,000 dollars. Also before their ...

*Saturday, January 23, 2016 by Light*

**math**

R,O,C,A are the midpoints of the sides of the rhombus DJSB. if DJ= 16 sq rt of 2 cm and d=120 degrees, what is the perimeter of ROCA?

*Saturday, January 23, 2016 by jana*

**Math**

Simplify the following ratio. Use values in terms of the smaller measurement units. 4 cups to 5 pints

*Saturday, January 23, 2016 by Kill Aura*

**math**

the supplement of an angle is 20 degrees less than 3 times its complement. find the ratio of the supplement to the complement.

*Saturday, January 23, 2016 by hannah*

**math**

A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path

*Saturday, January 23, 2016 by Anonymous*

**math**

A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path

*Saturday, January 23, 2016 by teju*

**math**

find the length of the hypotenuse of a right triangle, the other tow sides of which measure 9 cm and 12 cm.

*Saturday, January 23, 2016 by Abhay*

**math**

A bag contains 15 green ,12 red, 11 blue,10, yellow,8 black and 4 white balls what is the minimum number of balls that at least 9 balls of the same color are there

*Saturday, January 23, 2016 by Anonymous*

**Math**

1. Find the midpoint AB. Point be is located at (6,6) and point A is located at (-3,-3). There's a straight line connecting them. A) (4.5, 4.5) B) (1.5, 1.5) C) (3,3) D) (2,2) Is the answer D?

*Saturday, January 23, 2016 by Tim*

**math**

Can somebody solve this system of euation :2^x+3^y=17 2^x+2+3^y+1=5

*Saturday, January 23, 2016 by Akbar*

**math**

this is the 5th grade problem. This is exactly what I have. Rosa and her friends used 1 2/3 quart of paint on Monday and 1 3/4 quart of pain on Tuesday.How much paint will Rosa and her friends need on Wednesday.If Rosa If Rosa and her friends have 3/4 quart of pain left, do ...

*Friday, January 22, 2016 by Valentina*

**Homework for Math**

How is (x^2+2x+4) derived from (x^3-8)? What do you call it's formula and what are the steps required to turn (x^3-8) into (x^2+2x+4)?

*Friday, January 22, 2016 by Aster Calico*

**math**

Rosa and her friends used 1 2/3 quart of paint on Monday and 1 3/4 quart of pain on Tuesday. If Rosa and her friends have 3/4 quart of pain left, do they have enough pain to finish the job on Wednesday?

*Friday, January 22, 2016 by Valentina*

**Math**

Be precise, find the percent error: Marcus estimates that 230 people will attend choir concert. There was an actual total if 300 people who attended the choir concert.

*Friday, January 22, 2016 by Amy*

**math help pls pls**

Determine the type of boundary line and shading for the graph of the inequality 3x + y greater than or equal to 10. Dashed line with shading on the side that includes the origin Solid line with shading on the side that does not include the origin Dashed line with shading on ...

*Friday, January 22, 2016 by Oscar*

**MATH HELP**

What is 3 to the power of two thirds equal to? ^3 square root of 9 ^2 square root of 9 ^3 square root of 27 ^2 square root of 27

*Friday, January 22, 2016 by Oscar*

**Math**

Bella sells a jewelry at a market. She cuts out a rectangular piece of wood for a necklace display. The lenght of the piece of wood is 3/4 foot. The width of the piece of wood is 1/3 foot. What is the area, in square feet, of the piece of wood bella cuts out

*Friday, January 22, 2016 by Cedriona douglas*

**Math**

Rosa and her friends used 1 2/3 quart of paint on Monday and 1 3/4 quart of pain on Tuesday..How much paint will Rosa and her friends need on Wednesday?

*Friday, January 22, 2016 by Valen*

**pls help me math**

Find an equivalent function to f(x) = 3(6)^2x. f(x) = 3(36)^x f(x) = 182^x f(x) = 108^x f(x) = 9^x(36^x)

*Friday, January 22, 2016 by Oscar*

**math**

Rosa and her friends used 1 2/3 quart of paint on Monday and 1 3/4 quart of pain on Tuesday. If Rosa and her friends have 3/4 quart of paint left, do they have enough paint to finish the job on Wednsday?

*Friday, January 22, 2016 by Valen*

**math**

Rosa and her friends used 1 2/3 quart of paint on Monday and 1 3/4 quart of pain on Tuesday. How much paint will Rosa and her friends need on Wednesday?

*Friday, January 22, 2016 by Valen*

**math**

how do I find the percentage increase from 26.4 to 78.2?

*Friday, January 22, 2016 by mc*

**math**

What is the value of x in the solutions to following equations x - y + -3 x + 3y =5

*Friday, January 22, 2016 by Oscar*

**MATH PLS HELP ME**

What is 3 to the power of two thirds equal to? 3 to the power of 9 2 to the power of 9 3 to the power of 27 2 to the power of 27

*Friday, January 22, 2016 by Oscar*

**Ms sue or damon pls help me with math**

Sam stores manure for his farm in a rectangular box. The length of the box is 7 feet, width is 9 inches, and height is 6 inches. Each bag of manure he bought contains 2.625 cubic feet of manure. How many bags of manure will fill the box completely? [1 foot = 12 inches] there ...

*Friday, January 22, 2016 by Oscar*

**Math**

9/2+6/2 HELP MATH

*Friday, January 22, 2016 by Kitty💕,*

**Math**

A rectangular solid has sides of 7 cm, 9 cm, and 11 cm. What is its surface area?

*Friday, January 22, 2016 by Anonymous*

**math**

Solve this plxxx The numerator of a fraction is 2less than it's denominator.when both numerator and denominator are increased by 3,the fraction is increased by 3/20.find the original fraction.

*Friday, January 22, 2016 by Ali*

**math**

I did get this explain plz... L=1680/w

*Friday, January 22, 2016 by Ali*