320 Answered Questions for the topic Alegbra

Alegbra

04/29/15

The combined area of a square and rectange.

The combined area of a square and a rectangle is 229 square centimeters. The width of the rectangle is 3 centimeters more than the length of a side of the square, and the length of the rectangle is... more
Alegbra

04/29/15

The width of a rectangle parking lot is 8 feet less than 3/5 of the length. The perimeter is 400. What is the length and width

The width of the rectangle is 8 feet less than 3/5 of the length. The perimeter is 400 feet. find the length and width.
Alegbra

04/27/15

A fossil contains 20% percent of the carbon- 14 that the organism contained when it was alive. Estimate its age.

A fossil contains 20% percent of the carbon- 14 that the organism contained when it was alive. Estimate its age.
Alegbra

04/12/15

if 3p+q=16 and 8p-3q=20, what is the value of 5p-4q

is this possible to solve knowing those two things?
Alegbra Eat Pre Test

04/11/15

w is less than what is perimeter

A rectangluer yard has area 96 square feet. If the width of the yard is 4 feet less than the length , what is the perimeter,IN feet, of the yard?
Alegbra

04/04/15

The length of a rectangle is 5 ft less than twice the width, and the area of the rectangle is 52 ft2 . Find the dimensions of the rectangle.

The length of a rectangle is 5 ft less than twice the width, and the area of the rectangle is 52 ft2. Find the dimensions of the rectangle.
Alegbra

04/02/15

For the function F(x)=10x , find and simplify F(x+1)/F(x)

For the function F(x)=10x , find and simplify F(x+1)/F(x)...not sure how to get started on this
Alegbra Percentages

03/30/15

Word problem

A university professor received a government grant for M dollars to be spent on research.  25 percent of the grant was appropriated for indirect costs, so the professor used 20 percent of what was... more
Alegbra

03/18/15

Need help for my math problem

Calvin went to the store and brought 2 t-shirts for $24.99 each and one belt for $8.49. Before taxes, how much did Calvin spend? A-33.48 B-43.48 C-48.47 D-58.57
Alegbra

02/22/15

On Friday, a local hamburger shop sold a combined total of

On Friday, a local hamburger shop sold a combined total of 402 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were... more
Alegbra

02/21/15

What is the height

it takes 70 inches of ribbon to make a bow and wrap the ribbon around a box. The bow takes 32 inches of ribbon. The width of the box is 14 inches. 

02/16/15

Begin with the fact that 2x + 3y =10 is parallel to 2x + 3y = 7.

If the point (3,4) is on a line parallel to the 2 lines above, it's equation is: 2x + 3y = 18 2(3)+3(4) = 18  Explain how this new equation was derived.Now you need to find the equation of the... more
Alegbra

02/12/15

Kristen wants to make 22.5 ounces of a 50% oil. She has 30% mixture and a 60% mixture. How much of each mixture does she need to make the desired oil?

To solve how many ounces she needs of the 30% mixture and the 60% mixture.
Alegbra

02/07/15

John 12 snowplows in 8 hours, jake 12 snowplows in 12 hours. How many can they install in 8 hours working together?

If jake can install 12 snowplows in 8 hours, and Arthur can install 12 snowplows in 12 hours, approximately how many plows can both of them install in 8 hours working together?
Alegbra

02/03/15

What is the length of the room?

A rectangular room is 4 feet longer than it is wide. If the perimeter of the room is 38 feet, what is the length of the room?
Alegbra

02/03/15

Harry bought 9 movie tickets for a total of $45. Adult tickets cost $6 each and child tickets cost $4.50 each. How many adult tickets did he buy?

Harry bought 9 movie tickets for a total of $45. Adult tickets cost $6 each and child tickets cost $4.50 each. How many adult tickets did he buy?
Alegbra

02/03/15

Marie has 24 coins in quarters and dimes. The total value is $4.95. Find the number of quarters, q, and the number of dimes, d, she has.

Marie has 24 coins in quarters and dimes. The total value is $4.95. Find the number of quarters, q, and the number of dimes, d, she has.  
Alegbra

02/03/15

the sum of the square of a positive number and the square of 5 more than the number is 125. What is the number?

the sum of the square of a positive number and the square of 5 more than the number is 125. What is the number?
Alegbra

02/01/15

Average speeds

An automobile averaged 40 mph for part of a trip and 50 mph for the remainder. If the 5-hour trip covered 210 miles, for how long did the car average 40 mph?
Alegbra

01/30/15

An object is thrown downward, with an initial speed of 16 ft/s, from the top of a building 480 ft high. How many seconds later will the object hit the ground? U

An object is thrown downward, with an initial speed of 16 ft/s, from the top of a building 480 ft high. How many seconds later will the object hit the ground? Use the equation d = vt + 16t2, where... more
Alegbra

01/30/15

The height h, in feet, of a ball above the ground t seconds after being thrown upward with a velocity of 64 ft/s is given by

The height h, in feet, of a ball above the ground t seconds after being thrown upward with a velocity of 64 ft/s is given by h = −16t2 + 64t + 8. After how many seconds will the ball be 56 ft above... more
Alegbra

01/24/15

identify the soltuion of equations if any x+2y=7 6x-2y=7

x+2y=7 6x-2y=7
Alegbra

01/11/15

How many minutes after noon is it when a 24-hour digital clock displays the correct time as 20:15?

I dont know how to solve this.

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