Answer:
D.24
Pythagorean states:
hypotenuse^2 = side1^2 + side2^2
30^2 = 18^2 + side2^2
side2^2 = 30^2 - 18^2
side2^2 = 900 - 324
side2^2 = 576
side2 = sqr root 576
side2 = 24
Source: http://www.1728.org/pythgorn.htm
Step-by-step explanation:
(3)(17.25) = 51.75; he spent $51.75
Because everything in the problem is positive, no negative numbers are needed.
Answer:
$9400
Step-by-step explanation:
1.5x4=6%
100-6=94
0.94x10000=9400
Answer:
C and A
Step-by-step explanation:
expand the things in parentheses so for C
1/2(x + 16) = 1/2(x) + 1/2(16) = 1/2 x + 8
same process for A
Make the denominators equal
4 9/12 + 2 10/12
Add the fractions
6 19/12
Simplify
7 7/12