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OlgaM077 [116]
3 years ago
11

Use a calculator to find square root 61.6 to the nearest hundredth

Mathematics
1 answer:
Simora [160]3 years ago
4 0
D. 7.85
Hshgshhsjakhshshhsjsjjshdhhd
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Solve for x.<br> x^2 + 4x + 4 = 8<br> 
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Work:

x^2 + 4x - 4 = 8

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A large mixing tank currently contains 350 gallons of water, into which 10 pounds of sugar have been mixed. A tap will open, pou
Marysya12 [62]

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Let t be number of minutes since tap is opened

water is increased by 20 gallons of water per minute.

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concentration

C(t) = \dfrac{S(t)}{W(t)}

at t = 15 minutes

C(15) = \dfrac{S(15)}{W(15)}

C(15) = \dfrac{10 + 3\times 15 }{350 + 10\times 15}

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C(0) = 0.0286

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3 years ago
If a tower casts a shadow 11 feet long the distance from the top of the tower to the end of the shadow is 61 feet .. How many fe
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Use\ the\ Pythagoras\ Theorem:\\\\H^2+11^2=61^2\\\\H^2+121=3721\ \ \ \ |subtract\ 121\ from\ both\ sides\\\\H^2=3600\\\\H=\sqrt{3600}\\\\\boxed{H=60}\\\\Answer:Tower\ is\ 60\ feet\ tall.Answer here

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3 years ago
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