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irinina [24]
3 years ago
9

(2xy-7)/3x+8=1 solve for y

Mathematics
1 answer:
Korvikt [17]3 years ago
4 0
\frac{2xy - 7}{3x + 8} = 1
2xy - 7 = 3x + 8
2xy = 3x + 15
2xy - 3x = 15
x(2y - 3) = 15
2y - 3 = \frac{15}{x}
2y = 3 + \frac{15}{x}
y = 1\frac{1}{2} + \frac{15}{2x}
y = \frac{15}{2x} + 1\frac{1}{2}
y = 7\frac{1}{2}x^{-1} + 1\frac{1}{2}
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Please solve with explanation
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Real life scenarios of acute angles are:

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<h3>What are acute angles?</h3>

As a general rule, an acute angle, x is represented as: x < 90

This means that acute angles are less than 90 degrees.

<h3>The real life scenarios</h3>

The real life scenarios that involve acute angles are scenarios that whose measure of angle is less than 90 degrees.

Sample of the real life scenarios that satisfy the above definition are:

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Read more about acute angles at:

brainly.com/question/3217512

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2 years ago
In a right triangle one acute angle measures 48 more than 2 times the other. If the sum of the measure of the two acute angles m
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3 0
3 years ago
A teacher is making a history test composed of the same number of multiple-choice questions as short-answer questions. She estim
STALIN [3.7K]

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

So

5.5n \leq 45

The inequality is 5.5n \leq 45

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