Answer:
3x + 21
Step-by-step explanation:
(3)(x+7)
Now, we distribute the 3 in each term of (x+7)
So, 3*x = 3x and 3*7 = 21.
So our resulting term would be 3x+21.
Answer:
answer is B 38-18
Step-by-step explanation:
38 + (-18)
38-18
Answer:
4
Step-by-step explanation:
its like you have 2 fishes and you get two more
The appropriate expression to identify the amount of formalin is: x = 3200 ÷ 100 × 44%
<h3>How to identify the amount of formalin?</h3>
To calculate the amount of formalin in this substance we must perform the following mathematical operation:
- 3200 ÷ 100 = 32
- 32 × 44% = 1,408
According to the above, the mathematical expression would be:
Learn more about mathematical expression in: brainly.com/question/14462529
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