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liberstina [14]
3 years ago
15

What is the value of x? x = 45° x = 65° x = 70° x = 115°

Mathematics
2 answers:
dem82 [27]3 years ago
8 0

The three inside angles of a triangle need to equal 180 degrees.

To find X subtract the two known angles from 180.

X = 180 - 45 - 70

X = 65 degrees.

enyata [817]3 years ago
6 0

Answer:

65 degrees.

Step-by-step explanation: You can add 45 and 70 to get 115 degrees. Then, you subtract 180 degrees by 115 degrees to get 65 degrees.

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Find the surface area of the figure.<br> 12 in.<br> SA = [ ? ]in.?<br> 5 in.<br> 16 in.
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Answer:

SA = 664 in.²

Step-by-step explanation:

Surface area of the rectangular prism = 2(LW + LH + WH)

Where,

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Substitute the values

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5 0
3 years ago
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4 0
3 years ago
Help me please ?????????
exis [7]
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Explanation:
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5 0
3 years ago
25 is 45% of what number
Oksi-84 [34.3K]

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Step-by-step explanation:

Let the unknown number be k

(45 x k) / 100 = 25

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multiply both sides by 100

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Answer:

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7 0
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