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kykrilka [37]
3 years ago
5

I need some help with geometry?​

Mathematics
1 answer:
kramer3 years ago
3 0
39=9x+7-3x+20

Subtract 27 from each side

12=6x
2=x

Now plug in 2 for x to find AB and BC

9x+7= AB
9(2)+7=AB
18+7= AB
25= AB

-3x+20= BC
-3(2)+20= BC
-6+20= BC
14= BC
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2 Points
ki77a [65]

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C

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5 0
3 years ago
Need help with this pls
34kurt

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3 years ago
Combine the like terms to simplify the expression 3x-4+2x+8
uysha [10]

Answer:

x +4

Step-by-step explanation:

3x-4+2x+8

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3 0
3 years ago
Read 2 more answers
Find five numbers so that the mean, median, mode and range are all 4​
Anton [14]

Answer:

4, 4, 4, 4, and 4

Step-by-step explanation:

mode = 4

median = 4

so we know two of the five numbers are 4;

(x+x+x+4+4)/5 =4

(3x+8x)/5 = 4

multiply both sides by 5

3x+8=20\\3x=20-8\\3x=12\\x=4\\

therefore; the numbers are all 4

4 0
3 years ago
Help me please Asap!
Rom4ik [11]
A) angle A = 180-135= 45 degrees
Angles A and 135 are supplementary angles

b) angle B= 135 degrees
because the two 135 angles are vertical angles ( opposite angles made by two intersecting line)

c) angle C = 45 degrees
because angles C and angles A are corresponding angles since line (1) and line (2) are parallel
7 0
4 years ago
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