Question

What is the value of thi expression when d=3?

7d2+10=

A: 63
B: 52
C: 31
D: 73

Answer 1

the answer is b because it is (7(3))2+10 so you would first start off with 7x3 which is 21 and then multiply that by 2 which is 42. You then add ten making it 52.

Answer 2

73

Explanation:

Givens

d = 3

Equation 7d^2 + 10 = ?

Solution

7*3*3 + 10

7*9 + 10

63 + 10 = 73