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Nana76 [90]
4 years ago
10

What is the value of x? A.54 B.–16 C.126 D.16

Mathematics
2 answers:
KATRIN_1 [288]4 years ago
8 0
Since the angles are vertical they are also congruent. Therefore x equals 16
sergij07 [2.7K]4 years ago
6 0
Answer: Choice D) 16

-----------------------------------

Work Shown:

The two angles are vertical angles. They are congruent or equal in measure.

8x - 2 = 7x + 14
8x - 2+2 = 7x + 14+2 ... add 2 to both sides
8x = 7x + 16
8x - 7x = 7x + 16 - 7x ... subtract 7x from both sides
x = 16

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spayn [35]
The answer to this question is 8/10 which also equals 4/5
6 0
4 years ago
Read 2 more answers
Please help I don’t know the answer :(
gogolik [260]

Answer:

When x=8, y=-6. When x=10, y=0

Step-by-step explanation:

y=3x-30\\x^2+y^2=100

You can plug the given y value into the second equation to get:

x^2+(3x-30)^2=100\\x^2+9x^2-180x+900=100\\10x^2-180x+800=0\\10(x^2-18x+80)=0\\10(x-8)(x+10)=0\\x= 8, 10\\y= -6, 0

Hope this helps!

6 0
3 years ago
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RideAnS [48]

Answer:

True

Step-by-step explanation:

4 0
3 years ago
Which of the following equations is equivalent to y-3x=4 ?
lina2011 [118]

Answer:

y=3x+4

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Step-by-step explanation:

7 0
3 years ago
2 numbers are such that if 7 is added to the first number, a number twice the second number is obtained. If 20 is added to the s
Eduardwww [97]

Answer:

1st= 47/7 or 6.71

2nd= 48/7 or 6.857

Step-by-step explanation:

1st number =X and 2nd number = Y

According to question, X+7=2Y

20+Y=4X

X=2Y-7 (from 1st condition)

putting in it second

20+Y=4(2Y-7)

20+Y=8Y-28

20+28=8Y-Y

48=7Y

Y=48/7

so X=2(48/7)-7

=96-49/7

47/7

5 0
3 years ago
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