# Prealgebra

141 results

**algebra**

can you put things on your website to make me prepaird for 5th grade http://www.math.com/homeworkhelp/PreAlgebra.html

**prealgebra**

3x + y = 7 for y

**prealgebra**

2=n-(2n+3)

**prealgebra**

(y-12)(y+6)

**prealgebra**

4 y h -5

**prealgebra**

what is 0.3m+2.4=0.1m+4

**prealgebra**

what is 0.3m+2.4=0.1m+4

**PREALGEBRA**

-N/16 - N/16

**Prealgebra**

How do you do these probelms? 1. 7p+11=-31 2. 12-7y=-2 3. 2z-4-z=4 4. 10-5h+2=32 5. 7k-8k=1 6. 10-d=19 7. 9x+5-4x=-20 8. 3-4t+11=2 9. 5b+6-6b+2=19

**Prealgebra**

92% of 30 is what number

**prealgebra**

5m 7 __ -___ 8 20

**prealgebra**

3/5y+8 ------ 3/5y-8 simplify

**prealgebra**

3/5y+8 ------ 3/5y-8 simplify

**prealgebra**

how do you solve y=-2x-5 y=-2x-8

**preAlgebra**

How do you do the problem -4-9

**prealgebra**

What is the answer 0.3m+2.4M=0.1m+4

**prealgebra**

if 9% = 22 what is 100%?

**Prealgebra**

2/3(7x+6/7)=-160/63

**Prealgebra**

Solve by substitution: x+y=9 y=2x

**Prealgebra**

What is the slope of the line, 3y=3x+21?

**prealgebra**

find the value of n for which 4(n-4)+13=7n+3?

**prealgebra**

0.85km/s=m/min

**PreAlgebra**

Leg of 7 km and hypotenuse of 22 km

**prealgebra**

56mcubed-42mcubed+70m

**prealgebra**

what is the prime factorization of ? 396

**prealgebra**

-13s cubed(5s squared-4s+6)

**Prealgebra**

6x-10=56 combine like terms:

**PreAlgebra**

If x=yz, which of the following must be equal to xy? a. yz b. yz^2 c. y^2z d. z^2\y

**prealgebra**

In solving this equation (x+3)(x-3)=-8 is the answer x+3=-8=>x=-11 if not why?

**PREALGEBRA**

MATH QUESTION SOLVE 2 1/3 - 1 1/2

**prealgebra**

what is the answer to 9*1000 + 1890

**prealgebra**

Evaluate showing work (23 - 3) ÷ (-5)

**math/prealgebra**

5 is 20% of what number? I am so lost

**prealgebra**

2 1/5 % of 70 Round to the nearest hundredth

**prealgebra**

simplify 6^P2 A. 30 B. 15 C. 12 D. 720 Is the answer A?

**Prealgebra**

Please explain this problem: 150% of 54

**Prealgebra**

Please explain this problem: 25% of 162

**Pre-algebra**

Does anyone know prealgebra so i can ask a question????????????????????????????????????? PLEASE

**prealgebra**

In the equation A=ur^2, if r is doubled, by what number is A multiplied and why? a. 2 b. 1\2 c. 4 d. 1\4

**prealgebra**

How do you solve this??? foodbill:$18 salestax:%5 Tip:%20

**PreAlgebra**

Math estimate quotient 6 1/3 divided by 3 1/7

**prealgebra**

translate; the quotient of 41 and the product of a number and 35

**prealgebra**

I need help understanding this problem. Can someone help me????

**Prealgebra**

Please explain this problem: 175% of 200

**Prealgebra**

Please explain this problem: one fifth of 40

**PreAlgebra**

Write the decimal as an equivalent percent. 0.282

**Prealgebra**

What is this class like? How much hmk do i get? Should i take it?

**prealgebra or algebra1**

The line parallel to 4 x + y = 3 and passing through (3 ; 2) has equation

**prealgebra**

between which w consecutive numbers would you find the square root of 82

**PreAlgebra**

Volume of a cube with side length of 26.4 meters I need this by 11/21/12 ASAP

**prealgebra**

You deposit $2500 at 4% interest. How long will it take to earn $3000?

**PreAlgebra**

Convert to decimal notation. 5.585 • 10^6= 55,850,000 I need to know if this is correct? If not how do you do this? Thanks

**prealgebra**

everything in store is 40% off. I paid 10 dollars for item. How much original price ?

**PreAlgebra**

Jake spent 3/8 of his money on a book and 1/2 of what was left on a magazine. Now he has $6.25. How much did he start with?

**prealgebra**

What is the probability of spinning a number greater than 5 on a spinner numbered 1 to 8 and tossing a tail on a coin?

**8th grade prealgebra**

Complete to show how the given expression can be written as the product of two factors. -3m-3n=-3

**prealgebra**

find the slope of a road that rises 5 feet vertically for every 45-foot horizontal increase.

**Prealgebra**

A Triangular piece of land has sides 20m, 25, and 20.5. Find the perimeter of the triangle. 20.25.20.5 = 65.5. P65.5 Is this right. Thank you!

**PreAlgebra**

Convert to decimal notation. 3.73 • 10^-4= -37300 Im not good with intergers. I just needed to know if this was correct. If not can someone explain it to me.

**prealgebra**

you play a CD using the random setting. Are the selections of the first two songs that are played independent or dependent event?

**prealgebra**

you play a CD using the shuffle settings are the selections of the first two songs are played independent or dependent events???

**prealgebra**

Check whether (-1, 5) is a solution of the system of equations. y = -2x + 3 y = x - 4 I said no because one comes up a positive 5 and the other a negative five. Am I correct

**prealgebra**

For his experiment, Ryan is going to spin a spinner and roll a six-sided number cube. What is the probability of spinning "RED" and rolling a "2"?

**prealgebra**

it takes 45 min. to plant 12 plants how long does it take to plant 5

**PreAlgebra**

Write an equivalent expression using negative exponents. 1/3^9 will i write this as 3^-9. please explain this to me.

**prealgebra**

how do you solve this problem and can you help me please: wholesale price: $13 and markup percent: 110% can u help please

**prealgebra**

Find the new amount. #6) Decrease 8 by 75%. #7) Decrease 135 by 22%. I don't know how to solve and show work

**math**

i need help figuring out tis prealgebra problem?? In 4 7 8 13 15 27 Out 16 28 32 52 60 108 107 2/3

**prealgebra**

reduce to lowest terms. 72r cubed s to fourth - _____________________ 132r cubed s to the tenth

**Prealgebra**

One-half of the sum of a number and 4 is less than 14. What is the number?

**PreAlgebra**

if y=3x+7 how do you finish the t-table for linear equation? X y -3 blank blank 4

**prealgebra**

Simplify: Can someone please help me with this and go through the steps for it please. Thank You -8z(-9z^2-z-1)

**Prealgebra**

In what quadrant does the point stops? Write the coordinates of point B

**prealgebra**

the height of a tringle is 3 ft longer then the base. the area of the trianlge is 35 sqft. find the hight and base of the triangel.

**prealgebra**

Find the New amount. #4.) Increase 35 by 40% #5) Increase 125 by 8% I don't know how to solve this and show work. Please help me kind person

**prealgebra**

you play a CD that has 11 songs using the random setting find the probability that the CD player plays songs 3 first and then song 5.

**prealgebra**

you play a CD with 11 songs using the shuffle settings. find the probability that the CD player plays song 3 first then song 5.

**prealgebra**

find the total amount in the compound interest amount. $6350 is compounded semiannually at a rate of 18% for 16 yrs. (round to the nearest hundredth as needed)

**Pre-Algebra 7th grade.**

I have prealgebra with order of operations with a line dividor with a fraction line/divider. It says: 94-6 ____ 66(divided by) 6

**Prealgebra**

Two-ni that less than the product of 1 2/5 and b is 1 less than 2 1/2 of b

**Prealgebra**

Two times a number less 4 is greater than the same number plus 6. For what number or numbers is this true?

**prealgebra/ check answer please**

What single discount is equivalent to two successive discounts of 15% and 7%? x= 100 [1-(.85)(.93)] = 100 (1-.79) =100 (.21) =21%

**prealgebra**

The length of a rectangle is 3 more than it's width. the perimeter of the rectangle is 58cm. what are the rectangle dimensions?

**prealgebra**

A number equals six less than four times a number. What is the number?

**PreAlgebra**

A scale drawing of a town park has a scale of 1 inch : 100 feet. What is the actual length for each 1 foot on the drawing? Thanks!

**prealgebra**

Caitlin's cylindrical jar holds 525 cubic inches. If the height of the jar is 7 inches what is the approximate diameter?

**Math (PreAlgebra) 8thG**

Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. V = (4/3)3.14(r)^3 = (formula) I don't know what to do about the fraction, four over three (4/3), in the formula.... Show me how to do this please?

**prealgebra**

In s semicircle the value os z can be found using the equation x/y = z/y, if the diameter of the circle is 20 inches and x = 18 inches what is the value of z?

**prealgebra**

The length of a rectangle is 7cm greater than the width. Find the length and the width if the perimeter is 54cm

**prealgebra**

Four times a number is 21 more than the number. What is the number?

**prealgebra**

26 * 0.18 = $4.68 the tip is = 4.68????/ right and if wrong about the total cost with the tip and i don't know how to get the cost

**prealgebra**

ron lost 10 points seven times playing a video game. He then lost an additional 100 points for going over the time limit. What was the total change in his score?

**prealgebra**

a 12ft building casts a shadow. The distance from the top of the building to the tip of the shadow is 19ft. Find the length of the shadow.

**prealgebra**

change 40 miles per hour to miles per second

**Prealgebra**

Find the surface area of the prism. Round to the nearest tenth if necessary. The three sides are all 8.1 inches, the area of the base is 28.4 inches^2, and 12 inches is the length. It's a,b,c, or d. A. 348.4 in^2 B. 320 in^2 C. 291.6 in^2 D. 251.2 in^2

**math/prealgebra**

what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?

**Math (prealgebra)**

the cost of apen is 3 times the cost of a pencil. the cost of 4 pencils and 3 pens is $9.75. what is the cost of a pencil? can't find a formula for this problem. help is appreciated.

**PreAlgebra**

A combination lock has 10 dials. To open the lock, you must turn the dial right to the first number, left to the second number. What is the probability that you choose the correct combination?

**Prealgebra**

The sum of an integer and the next greater integer is at most 15. Write an inequality to find the lesser integer. Then slove for the lesser integer.

**Prealgebra**

Identify the slope and y-intercept of the line with the given equation then graph the equation. Y=-2 * must use slope-intercept form