# 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

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

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

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

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