Answer:
I think so
Step-by-step explanation:
Answer:
m=8
Step-by-step explanation:
-5m=-40
divide both side by -5
-5m=-40
-5=-5 answer is m=8
<h3>
Answer: 9w + 72</h3>
Explanation:
We use the distribution property to multiply the outer 9 with each term inside
9 times w = 9*w = 9w
9 times 8 = 9*8 = 72
Those products 9w and 72 form the answer 9w+72. Since 9w and 72 are not like terms, we cannot combine them.
Answer:
<h2>-0.6(3x + 7) = -1.8x - 4.2</h2>
Step-by-step explanation:

Answer:
The mass of one nickel is 5 grams.
Step-by-step explanation:
This question can be solved by proportions, using a rule of three.
In this question:
9 nickels have a mass of 45 grams. So one nickel will have a mass of:
9 nickels - 45 grams
1 nickel - x grams
Applying cross multiplication


The mass of one nickel is 5 grams.