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polet [3.4K]
2 years ago
15

PLS HELP ASAP :) Explain pls also!

Mathematics
1 answer:
Andru [333]2 years ago
6 0
11 students received a score of 80 or better because the chart says that 7 students received a score of 80-89 and 4 students received a score of 90-100
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3x + 2 ≤ 53

Step-by-step explanation:

"2 more than" means that there will be a + 2 in the equation. "3 times a number" means that 3 is multiplied by an unknown number which can be represented by a variable such as x. "At most" means less than or equal to, since the number cannot be greater than.

So generally, you might want to write the equation as 2 + 3x ≤ 53, but 2 + 3x is not in y = mx + b form. Basically, you need to write it as 3x + 2 ≤ 53 because that's how math works.

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<h2>Answer is in the attachment! </h2>

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