The correct answer is 65°
5. D (the number under the square root symbol must be greater than or equal to 0.
1520 ÷ 10 = 152
1520 ÷ 20 = 76
1520 ÷ 40 = 38
Answer:
What is the question?
Step-by-step explanation:
The expression (-4x + 9)^2 cannot be equal to (-4x)^2 + 9^2 because it is actually equal to the product of two factors (3 + 2sqrt x) (3- 2 sqrt x). One cannot use obviously distributive property. Hence the answer to this problem should be C. as she did not understand both perfect square trinomial and did not determine the product
