# 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

3x + y = 7 for y

2=n-(2n+3)

(y-12)(y+6)

4 y h -5

### prealgebra

what is 0.3m+2.4=0.1m+4

### prealgebra

what is 0.3m+2.4=0.1m+4

-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

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?

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

### 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?

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

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)

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?

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

1. 1
2. 2