Answer:
Given a is 5
Step-by-step explanation:
I. Given a is 5
= a + 1
= 5 + 1
= 6
6 is divisible by 3 => true
II. Find 4 + 7a value
= 4 + 7(5)
= 4 + 35
= 39
39 is divisible by 3 => true
III. Prove by
6 ÷ 3 = 3
39 ÷ 3 = 13
Hope that help :)
Answer:
21
Step-by-step explanation:
This is a substitution question,we are to substitute a given value in place of a certain letter
So let's solve
2x^2-x
And since x is given to be -3
So let's substitute
2(-3)^2-(-3)
2(9)-(-3)
18+3
21
So the final answer is 21
Answer:
Its the first one
Step-by-step explanation:
The correct answer is B, scarcity. There is unlimited number of demands, and a limited number of supply.
