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Rina8888 [55]
3 years ago
8

!! PLEASE HELP QUICKLY 20 POINTS !!Evaluate 4 - 0.25g + 0.5h when g=10 and h=5

Mathematics
1 answer:
Sonja [21]3 years ago
4 0

Step-by-step explanation:

4- 0.25 + 0.5h

0.25g= 2.5

4- 2.5 = 1.5

0.5h = 2.5

4- 2.5 + 2.5

addition is first

2.5+2.5 = 5

4-5 =-1

I honestly don't know if that's right but I tried aha x

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Answer:

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Step-by-step explanation:

using the cosine and tangent ratio in the right triangle and the exact values

cos45° = \frac{1}{\sqrt{2} } and tan45° = 1 , then

cos45° = \frac{adjacent}{hypotenuse} = \frac{5\sqrt{2} }{m} = \frac{1}{\sqrt{2} } ( cross- multiply )

m = 5\sqrt{2} × \sqrt{2} = 5 × 2 = 10

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

tan45° = \frac{opposite}{adjacent} = \frac{n}{5\sqrt{2} } = 1 , then

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Answer:

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Step-by-step explanation:

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3 years ago
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Read 2 more answers
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