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RoseWind [281]
3 years ago
8

Find the value of x from the picture shown

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0

Answer:

x=31°

Step-by-step explanation:

Ok,

We know the sum of the angles in a triangle add up to 180°.

So,

2x+63+(2x-7)=180

2x+63+2x-7=180

Add like terms

4x+56=180

4x=124

x=31°

Hope this helps!

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anygoal [31]
The answer is 35 degrees. 
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3 years ago
sophia is 6 years older than her brother eric. the sum of their ages is 28. write and solve an equation to find sophia and Eric'
zimovet [89]

s = 6 + e

s + e = 28

We can use this system of equations to find the exact values of s and e.

We have a current value of s, so we can find the exact value of e now.

e + e + 6 = 28

<em><u>Combine like terms.</u></em>

2e + 6 = 28

<em><u>Subtract both sides by 6.</u></em>

2e = 22

<em><u>Divide both sides by 2.</u></em>

e = 11

Now we have an exact value of e, and can solve for the value of s.

s = 6 + 11

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6 0
3 years ago
What is the mean of the following data values 53,71, 89,10,87
lesya692 [45]
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3 0
4 years ago
Read 2 more answers
Help please! Figure JKLM is a parallelogram. The measures of line segments MT and TK are shown. What is the value of MT? A.) 7 B
Zinaida [17]

Hey there! :)

Answer:

C) 74 units.

Step-by-step explanation:

MT is congruent to KT because the diagonals of a quadrilateral bisect each other. Therefore:

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Add 10 to both sides:

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Divide both sides by 4:

28/4 = 4y/4

y = 7 units. Plug this into the equation for MT:

8(7) + 18 = 74 units.

3 0
3 years ago
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What is the difference between a formal and an informal proof?
Nutka1998 [239]
 <span>informal proofs are usually in paragraph form, while formal proofs are numbered, like this: 
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6 0
3 years ago
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