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3 years ago

What is the justification for each step in solving the inequality? −7(3+8x)+5x≤1−62x

Mathematics

2 answers:

lyudmila [28]3 years ago

8 0

Answer:

Step-by-step explanation:

dangina [55]3 years ago

5 0

Distribute -7 because of math
-21-56x+5x≤1-62x
add like terms because you aint chaingin nothing
-21-51x≤1-62x
add 62x to both sides (addition property of equality, where a=a and b=b, a+b=a+b) and also (addative inverse, a+(-a)=0) that turns the -62x to 0
-21+11x≤1
add 21 to both sides (additiona proerty of equality and addativeinverse)
11x≤22
divide both sides by 11 (division property of equality, if a=a and b=b, then a/b=a/b)
x≤2

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yawa3891 [41]

Answer:

Step-by-step explanation:

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3 years ago

PLZ SOLVE THIS FOR ME!!!!!!!

Kisachek [45]

Answer:

31.06

Step-by-step explanation:

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3 years ago

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Always sometimes never: two angles of a triangle add up to to 90°

EleoNora [17]

Answer: Never

Step-by-step explanation:

In a triangle the 3 angles have to add up to 180 degrees and if there are 2 90 degree angles the sum is 180 which is not possible to add more degrees without going over

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3 years ago

By selling a Rikshaw for rupees 2640 Ram loses 12% at what price should be sell it to gain 12%

Galina-37 [17]

Answer: Rikshaw bought it for 100. He lost 12% on selling it, so that means he must have sold it for 88. He wants to make 12% profit, so that means he should have sold it at 112.

But we know that he sold it for 2640.

Therefore, if 88 = 2640, 112 would be 2640*112/88 = 3360.

3 0

3 years ago

Circle C is shown. 2 secants intersect at a point outside of the circle to form angle 1. The first arc formed is 36 degrees, and

forsale [732]

The measure of the ∠1 is 35 degrees.

<h3>How to determine the angle </h3>

it is important to know that the measure of an angle with its vertex outside the circle is half the difference of the intercepted arcs.

Also, the angle subtended by the arc at the center of the circle is the angle of the arc

From the diagram, we have

m ∠ of external angle = half of the difference of arc angles

The arc angles are

106°
36°

m ∠ of external angle = ∠ 1

Let's substitute the angles

∠1 = $\frac{106 - 36}{2}$

∠ 1 = $\frac{70}{2}$

∠ 1 = 35°

We can see that the external angle 1 measures 35 degrees.

Note that the complete image is added.

Thus, the measure of the ∠1 is 35 degrees.

Learn more about a circle here:

brainly.com/question/15673093

#SPJ1

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2 years ago