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Vlada [557]
3 years ago
13

−7x−50≤−1 AND−6x+70>−2

Mathematics
2 answers:
Jet001 [13]3 years ago
6 0

Answer:

B. -7 is less than or equal to x, which is less than 12

Step-by-step explanation:

-7x -50 </= -1

add 50 to both sides

-7x <= 49

divide both sides by -7. When you divide and inequality by a negative number, the direction of the inequality changes.

x >/= -7

---------------------------------

-6x + 70 > -2

subtract 70 from both sides

-6x > -72

divide both sides by -6, flipping the inequality sign

x < 12

------------------------------

Since the problem says *and*, we can say x is equal than or greater to -7 and less than 12

-7 </= x < 12

please let me know if you have questions, or if the signs don't come through clearly

Alchen [17]3 years ago
4 0

Answer:

That other persons explantion and answer is correct.

Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle. Find the measure
soldi70 [24.7K]

Given:

In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle.

To find:

The measures of the 2 acute angles of the triangle.

Solution:

Let x be the measure of one acute angle. Then the measure of another acute is (2x+12).

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees. So,

x+(2x+12)+90=180

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The measure of one acute angle is 26 degrees. So, the measure of another acute angle is:

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2x+12=64

Therefore, the measures of two acute angles are 26° and 64° respectively.

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