mathematics reasoning

a woman has $500 in a bank account. every week. she writes out a check for $50. if she doesn't make any new deposits, what will her bank account hold x weeks from now?

$500-$50x

a cylindrical can has a radius of 7 inches and a height of 15 inches how many gallons of milk can it hold? (there are 231 cubic inches in a gallon.)

10 gallons

if 40 percent is equal to the fraction x/30, what is the value of x?

12

the expression "5 factorial" equals

120

a wild life preserve is laid out in the shape of a perfect circle whose radius is 24 miles. the lion's territory in this preserve is shaped like a wedge and has a fence around it. two inner sides of a fence meet at a 90-degree angle in the center of the preserve. how much territory do the lions have?

154 square miles

how many cubic yards of concrete are needed to make a content floor that is 9 feet by 12 feet by 6 inches thick?

2 cubic yards

which of the following is the smallest prime number greater than 200?

211

Solve for X: 8x-2-5x=8

3 1/3

divide 15a3b2c by 5abc

3a"2"b

ten ounces of liquid contain 20 percent fruit juice and 80 percent water. the mixture is diluted by adding 40 additional ounces of water. what is the percentage of fruit juices in the solution?

4%

a park commissioner designs a new playground in the shape of a pentagon. if he plans to have a fountain at every corner of the park, how many fountains will there be?

5

two circles have the same center. if their radii are 7 inches and 10 inches. find the area that is part of the larger circle but not the smaller one.

51 pie square inches

what is the result of subtracting 3x"2"- 5x - 1 from 8x"2" + 2x - 9

5x"2"+ 7x-8

if 5x=30, then x is equal to..

6

a 10-foot-high ladder is resting aginst an 8-foot-high wall surrounding a tennis court, if the top of the ladder is exactly even with the top of the wall how far is the base of the ladder from the wall?

6 feet

if one of the angles of a right triangle is 30 degrees, what are the other two angles?

60 degrees, 90 degrees

when the temperature is 20c what is it on the Fahrenheit scale? use the following formula. F=( a/5 x C) + 32

68 degrees

the perimeter of a rectangle is 38 inches. of the length is 3 inches more than the width, find the width.

8 inches

Amanda average grade on a set of five tests was 88%. she can remember only that the first four grades were 78%, 86%. 96% and 94%, what was the grade on her fifth test?

86

find the square root of 85 to the nearest tenth.

9.2

find the value of (-3)"4"+ (-2)"4"+ (-1)"4"

98

what is the product of (a-5) and (a+3)

a"2"-2a-15

what is the measuring of the statement -30 < -5?

negative 30 is less than negative 5$

what is the value of x in the equation x/2=7

x=14

solve for z:3z-5 +2z=25-5z

z=3