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3 years ago

Help pls i'm not good at math

Mathematics

2 answers:

sveticcg [70]3 years ago

4 0

Answer: x = 56

Step-by-step explanation:

The two angles 'z' and 124 add up to form a straight line. The angle of a straight line is 180 degrees. Therefore, we can say that:

$z+124=180$

Subtract 124 on both sides to isolate the angle 'z' to get:

$z=56$

wlad13 [49]3 years ago

4 0

Answer:

z=56 degrees

Step-by-step explanation:

in total the line will equal 180 so just do 180-124 and you get 56.

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3 years ago

If x = -2, then x 2-7x+10 equals <br> a. 0 <br> b.20 <br> c.28

sveta [45]

ANSWER

C. 28

EXPLANATION

The given expression is

${x}^{2} - 7x + 10$

We want to evaluate this function at x=-2.

We just have to substitute x=-2 into the given expression.

In other words, we have to replace x with -2 wherever we see x in the expression

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6 0

3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!

borishaifa [10]

A is the correct answer
(to find diagonal of a square , you can get help from Pythagorean Theorem)

${10}^{2} + 10 {}^{2} = {x}^{2} \\ 100 + 100 = {x}^{2} \\ {x}^{2} = 200 \\ x = \sqrt{200}$

good luck

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4 years ago