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Dmitriy789 [7]
2 years ago
7

Find the value of x.

Mathematics
1 answer:
ehidna [41]2 years ago
4 0

Answer:

x = 25

Step-by-step explanation:

We know that the remaining angles add up to 90°, because the right angle (triangles have 180° total.)

2x + 15 + x = 90 | Given

3x + 15 = 90 | Combine x

3x = 75 | Subtract 15

x = 25

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Use Desmos.com/calculator

Step-by-step explanation:

Remember, y=mx+b

y is equal to any given y point

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m is equal to slope

b is equal to the y-intercept, or where x = 0 and the line crosses the horizon line.

In order to graph the line correctly, you have to isolate y.

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y=-x-3 would be equal to y=mx+b format

slope is negative 1

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7 0
3 years ago
jessica's mother gave her 70 chocolates to give to her friends. She gave 3 chocolates to each of her friends at the party and ha
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Answer:

She had 22 friends at her graduation party.

Step-by-step explanation:

70 chocolates total minus 3 chocolates times the number of friends she had at the party = 4

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8 0
3 years ago
In ABC, what is the measure of angle B?
NeX [460]

Answer:

D

Step-by-step explanation:

The sum of two remote interior angles (a remote interior angle is the interior angle that is not supplementary to the exterior angle given -- in this case A and B are remote angles) equals the exterior angle.

In This case A + B = 140

A = x + 2

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x +2 + 2x = 140

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x = 138/3

x = 46

<B = 2x

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$15.00

Step-by-step explanation:

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I think it would be the first answer.

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