b. 36
c. 52
d. 76
Answer:
No, a square is NOT the cross section of a rectangular and triangular prism.
Step-by-step explanation:
Prisms have a uniform cross-section and are named after their cross-section. Hence, the cross-section of a rectangular prism is a rectangle and the cross-section of a triangular prism is a triangle. The only prism with a square cross-section is a cube.
25x2 − 16
25x2 + 16
25x2 − 40x + 16
Answer:
25x^2 + 40x + 16
Step-by-step explanation:
(5x + 4)^2
= (5x + 4)*(5x + 4)
= 25x^2 + 20x + 20x + 16
= 25x^2 + 40x + 16
The answer is, in fact, A. I took the test and the answer was correct.
Answer:
15,000
Step-by-step explanation:
30,000 ÷ 50% = 15,000