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BARSIC [14]
3 years ago
14

Please help me! Find AC

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
8 0
We are asked to find the length of AC, which measures 7x. Using the segment addition postulate, we can add the two given expressions for AB and BC and make it equal to the expression for AC. 
AB + BC=AC
5x+1+15=7x
5x+16=7x
16=2x
x=8
We've found the value of x, but we aren't done yet. We need to plug in the value we got for x into the expression for AC, which is 7x. Therefore, AC \Rightarrow7x\Rightarrow7(8)\Rightarrow\boxed{56}. Hope this helped and have a great day!
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Anton [14]

Answer:

B

Step-by-step explanation:

34 x 1/2 = 17 (Line A'B')

28 x 1/2 = 14 (Angle A')

5 0
3 years ago
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Answer and show work.<br><br> 1.) 9 - t = 3 (t -5) <br><br> 2.) 5 (5y + 1) =10y - 25
AlladinOne [14]

Answer:

1. 6

2. 2

Step-by-step explanation:

1. 9-t=3(t-5)

9-t=3t-15

+t +t

9=4t-15

+15 +15

<u>24</u>=<u>4t</u>

4 4

6=t

2.5(5y+1)=10y-25

25y+5=10y-25

+25 +25

25y+30=10y

-25 -25

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15 15

2=y

6 0
3 years ago
Solve |x - 1|&gt;4 a. {x|x&lt; -5 or x&gt; 5} b. {x|-3&lt; x&lt; 5} c. {x|x&lt; -3 or x&gt; 5}
Karo-lina-s [1.5K]
|x - 1| > 4 ⇔ x - 1 > 4 or x - 1 < -4  |add 1 to both sides

x > 5 or x < -3

Answer: c. {x| x < -3 or x > 5}.
5 0
3 years ago
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vovangra [49]

ANSWER

B(0, 0),

EXPLANATION

The given points are A(−6, 2), B(0, 0), C(4, −2), D(−12, 6), E(−10, 10).

The equation of the direction variation is

y =  - 12x

The point that belongs the graph of the direct variation must satisfy the variation equation.

Note that the graph of direct variation equation passes through the origin therefore the point (0,0) satisfies it.

0=-12(0)

0=0

This is true

The other points do not satisfy this variation equation, hence they do not lie on its graph

5 0
3 years ago
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Nataly_w [17]
8ax+9a is the answer
3 0
3 years ago
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