Answer:
D. 3 and 116
Step-by-step explanation:
d.f.N = k - 1 (numerator degrees of freedom) = 4 - 1 = 3
N = 4 × 30 = 120
d.f.D = N - k (denominator degrees of freedom) = 120 - 4 =116
Answer:
im Pretty sure x
Step-by-step explanation: Distribute:
=4x2+−12x+9+−9x2+12x+−4
Combine Like Terms:
=4x2+−12x+9+−9x2+12x+−4
=(4x2+−9x2)+(−12x+12x)+(9+−4)
=−5x2+5
Answer: −5x2+5
Answer:
= 1.75
Step-by-step explanation:
7/6 divided by 6
= 7/36
7/36 = x/9
Cross multiply fractions:
36x = 63
Divide each side by 36:
x = 7/4 or 1.75
Answer:
158.13 ft²
Step-by-step explanation:
→ Calculate area of square
8 × 18 = 144
→ Find radius of circle
18 - ( 6 × 2 ) = 6 ÷ 2 = 3
→ Find area of circle
(3.14 × 3²) ÷ 2 = 14.13
→ Add on the area of the rectangle
14.13 + 144 = 158.13