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lubasha [3.4K]
2 years ago
14

Solve to find the value of x.

Mathematics
1 answer:
Tresset [83]2 years ago
6 0

Answer:

x=12

Step-by-step explanation:

We know that a right angle is 90 degrees. So we can make the equation 35+4x+7=90. Now, we can solve fore X! We can combine 35 and 7 to make the equation 4x+42=90. In order to isolate x we have to subtract 42 from both sides, getting us the equation 4x=48. Now, in order to isolate x we must divide each side by 4, getting us the equation 12=x.  To prove that x=12, we can subsitute x for 12.  This means that we can do 35+4(12)+7=90. Or, 35+48+7 =90, which simplified, is 90=90, making x=12 true. Hope this helps :)

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Answer:

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Step-by-step explanation:

Whenever you get a number = a different number, that means there's no solution.

7 0
2 years ago
Two parallel lines are crossed by a transversal. What is the value of k? k = 9 k = 20 k = 60 k = 71
Musya8 [376]

your question seems missing the figure.

I am attaching the required figure below.

You can study the correct answer to your question and complete explanation with the figure  below.

Answer:

k=60

Step-by-step explanation:

When a pair of parallel lines is crossed by a transversal, it will make 8 angles, pairs of vertical/opposite angles, two pairs of acute angles and two pairs of obtuse angles. All acute angles are congruent as well as all obtuse angles are congruent. Simply we can say that pairs of acute angles and pairs of obtuse angles are congruent.  

From the figure attached below (by the name "Pairs of parallel lines crossed by a transversal"), we get the following equations as:

2k+11=131

Solving for k, we get

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8 0
2 years ago
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Stolb23 [73]

Answer:

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Step-by-step explanation:

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Answer:

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Glad I could help!

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