Simplifying Expressions
4-4*3
-8
(5/4)*(12/10)
3/2
The sum obtained when the quotient of x divided by twice y is added to z
z+(x/2y)
3(x-5)+2=2x
x=13
List the prime numbers between 20 and 40
23,29,31,37
5*3+2(6-2)-42
7
(5/24)*16
10/3
The quotient obtained when the sum of three times x and y is divided by the sum of y and z
(3x+y)/(y+z)
(2x-1)/5=3
x=8
Evaluate the difference of the absolute values of -5 and -8
-3
[(1/2)-(1/3)][(1/2)+(1/3)]
5/36
31.2/2.4
13
Find the area and circumference of a circle whose diameter is 6 inches
Area is 9pi and Circumference is 6pi
[2(x+9)]/3=x-8
x=42
Find the area of a triangle whose base is 15cm and its height is 8cm
60cm2
-(-2)4+(-3)3
-43
(3/8)/(15/28)
7/10
A girl had m dollars, and her brother had $8 more than four times that amount. How much did the brother have?
4m+8
A=(1/2)(a+b)h
solve for b
2A-ah/h=b
160 is 40% of what number
400
[(2/5)2-(1-5)]
1/625
3(3/4)-2(1/2)
7/4
A baseball costs $5.35 and a glove costs $12.85. How much will it cost a club to purchase 2x baseballs and y gloves
10.7x+12.85y
y=kx+c
solve for x
x=(y-c)/k
If twice a number is decreased by 5 and that result is multiplied by 4, the result is 36. Find the number
4(2x-5)=36
x=7