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Wittaler [7]
2 years ago
11

What is the length of the hypotenuse?

Mathematics
1 answer:
ch4aika [34]2 years ago
6 0

Answer:

55.866 ft

Step-by-step explanation:

Use Pythagorean Theorem:

a² + b² = c²

(39)² + (40)² = c²

3121 = c²

Square root of both sides

c = 55.866 ft should be the answer.

Hope this helps

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Find the surface area of the prism or pyramid. Round to the nearest hundredth if necessary.
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Answer: 345.4

Step-by-step explanation:

SA=2πr^2+2πrh

SA=2(3.14)(5)^2+2(3.14)(5)(6)

SA=2(3.14)(25)+2(3.14)(30)

SA=2(78.5)+2(94.2)

SA=157+188.4

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4 0
3 years ago
If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).
frutty [35]

Answer:

sin(a+b)=\frac{4\sqrt{21}+2\sqrt{65}}{45}

Step-by-step explanation:

we are given

sin(a)=\frac{4}{9}

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now, we can sue formula

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now, we can plug values

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now, we can simplify it

sin(a+b)=\frac{4\sqrt{21}+2\sqrt{65}}{45}


6 0
3 years ago
Gabby is an aspiring country artist. She has a record contract that pays her a base rate of $200 a month and an additional $12 f
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Answer:

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Step-by-step explanation:

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