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rodikova [14]
3 years ago
15

Evaluate the expression for x = –3.

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
-9-12+3=-168 the answer is a
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Two complementary angles are expressed as 4x - 16 and 2x 10. find the number of degrees in each angle.
Aleks04 [339]
Angle 1 = 4x - 16
angle 2 = 2x + 10

4x - 16 + 2x + 10 = 90
combine like terms

6x - 6 = 90
add 6 to both sides

6x = 96
divide both sides by 6

x = 16

angle 1 = 4x - 16 = 4(16) - 16 = 48

angle 2 = 2x + 10 = 2(16) + 10 = 42

3 0
3 years ago
In a particular large Midwest city, a simple random sample of 400 people reveals that 128 of them know how to ski. 1. A 99.8% co
allsm [11]

Answer

The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

5 0
3 years ago
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I need help please.<br> What are the answers at least for the first one. Please help.
Vikki [24]
The first box is 1
the second box is 50
the third box is 8
you’re welcome
3 0
3 years ago
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How would u answer #10
Ganezh [65]
So if the exterior angle is 130°, then the inner angle is 50°.
The total of the inner angles of a triangle is (n-2)180°=180°, so 180°-50°=130°
With the remaining two angles =130° and they are both in the ratio of 2:3, one angle has a measure of 52° and 78°.
Thus the measure of the largest angle is 78°.
3 0
3 years ago
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The pencil is 17 cm long and the cup is 15cm tall. What is the diameter of the cup?
timofeeve [1]

duh-

how do we even figure out the diameter of something only with the height-?

7 0
3 years ago
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