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SVEN [57.7K]
2 years ago
9

HElp ! Its A Math Problem! How Can I solve This Math Problem

Mathematics
1 answer:
svet-max [94.6K]2 years ago
8 0

Answer:

Step-by-step explanation:

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This question is really confusing me, it talks about unknown angle problems with Algebra.
Sever21 [200]

Answer:

20

Step-by-step explanation:

The two given and marked angles add up to 90.

A = x

B = 3x + 10

A + B = 90          Substitute for A and B. A and B are just letters I gave things.

x + 3x + 10 = 90        Combine the left

4x + 10 = 90              Subtract 10 from both sides.

4x +10-10 = 90-10     Combine

4x = 80                      Divide by 4

4x/4=80/4

x = 20

3 0
3 years ago
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Which problem is equivalent to 12/18
Olenka [21]

Answer:

B

Step-by-step explanation:

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3 years ago
An obtuse triangle has angle measurements of 100°, 60°, and 20°. If the longest side of this triangle is 20 feet,
san4es73 [151]

Answer:

20/sin 100=x/s 20

x=(20s 20)/100

x=6.95 feet

The answer is 6.95 feet

Step-by-step explanation:

5 0
3 years ago
If n = 4, what is the value of 6n - 3
Arturiano [62]
Answer: 21
steps:
1) 6(4) - 3
2) 24 - 3
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3 years ago
Solve 40=4y.<br><br> the solution is y=??
Tanzania [10]

Answer:

y = 10

Step-by-step explanation:

40 = 4y

y = 40 : 4

y = 10

6 0
2 years ago
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