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harkovskaia [24]
2 years ago
15

Please help me solve this

Mathematics
1 answer:
Black_prince [1.1K]2 years ago
5 0

The error is in step 4. The sign was not changed after dividing both sides by -10. Thus, the answer to the inequality should be: -27/10 ≥ x.

<h3>How Negative Number Changes Inequality Sign?</h3>

When we divide or multiply two sides of an inequality by a negative number, the inequality sign is changed to the opposite, i.e. from < to > or from > to <.

In step 4, the sign was not changed after dividing both sides by -10.

The answer should be, -27/10 ≥ x.

Learn more about the inequality on:

brainly.com/question/11613554

#SPJ1

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nlexa [21]

Answer:

70° and 110°

Step-by-step explanation:

It is given that, two parallel lines l and m are intersected by a transversal t.

The interior angles on same side of transversal are (2x−8)° and (3x−7)°.

We need to find the measure of these angles.

We know that, the sum of interior angles of the same side of the  transversal is equal to 180°. So,

(2x−8)° + (3x−7)° = 180°

⇒ 5x-15=180°

⇒5x=180°+15

⇒5x=195

⇒x=39

Put x = 39 in (2x−8)°,

(2x−8)° = (2(39)-8)°

=70°

Again put x = 39 in (3x−7)°,

(3x−7)° = (3(39)-7)°

=110°

So, the measure of these angles are 70° and 110°.

8 0
4 years ago
Z varies directly with q. when z=2,q=1 . <br><br> find a formula connecting z and q<br><br> z=???
Lostsunrise [7]

Answer:

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z =  \frac{1}{2} q

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8 0
3 years ago
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gregori [183]

Answer:

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3 0
3 years ago
Read 2 more answers
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