Answer:
3
Step-by-step explanation:
We know x = -2, so we can substitute -2 in for x
3x^2- 9
3*-2^2-9
Solve the exponent first (PEMDAS)
3*4-9
Multiply next
12-9
Subtract
3
Answer: 10
Step-by-step explanation: Remember that squaring a number is multiplying a number by itself. 100 = 10² because 10 x 10 = 100.
Answer:
6
Step-by-step explanation:
4 1/2 = 9/2=18/4
(18/4)/(3/4)=18/3=6
so she need 6 bags
104 = 10,000 x 1.33 = 13,300
The answer you are looking for is TRUE, the third option. The function of a solution is to prove that the values of the variables are true. Hope this is useful for you