3 years ago

Urgent help please !!!

Mathematics

1 answer:

chubhunter [2.5K]3 years ago

6 0

Answer:

The answer is A. 3x + 3

Step-by-step explanation:

Umm yea its that

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Answer:

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Step-by-step explanation:

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so we need find the number of tokens in all which is

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3 years ago

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A teacher is making a history test composed of the same number of multiple-choice questions as short-answer questions. She estim

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Answer:

The inequality is $5.5n \leq 45$

Step-by-step explanation:

Total time:

The total time to complete the test is the sum of the number of multiple-choice questions multiplied by the time it takes to solve each and the number of short-answer questions multiply by the time it takes to solve each.

In this question:

Same number(n) of both.

Multiple-choice takes 2 minutes, short-answer takes 3.5 minutes. The total time is given by:

$T = 2n + 3.5n = 5.5n$

Write an inequality to determine how many questions, n, the teacher can include if the test must take students less than 45 minutes to complete.?

This means that:

$T \leq 45$

$5.5n \leq 45$

The inequality is $5.5n \leq 45$

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3 years ago