Answer:
Step-by-step explanation:
Question 3
5 (k + 4) - 2k
Use distributive property of multiplication.
5k + 20 -2k
Combine like terms to get your answer.
3k +20
Question 4
2 (3 + d - 1)
Simplify the expression in the parenthesis.
2 (2 + d)
Use distributive property of multiplication.
4 + 2d
If you wanted it to be accepted at higher levels, switch the terms around.
2d + 4
Answer:
9.22×10^9
Step-by-step explanation:
The number must be written with
- a number between 1-10
- multiplied by a power of 10
The power of 10 tells you how many times you moved the decimal.
Answer:
41
Step-by-step explanation:
y = (4*5) + 21
y = 20 + 21
y = 41
Answer:
198 cm³
Step-by-step explanation:
V = π r² h
V = 22/7 × 3² × 7
V = 22/7 × 9 × 7
V = 22 × 9
V = 198 cm³
