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Andreas93 [3]
3 years ago
6

What is the additive inverse of one half

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0
- 1/2, because -1/2 + 1/2 = 0
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Evaluate cos(37°15').<br><br> 0.7944<br> 0.7960<br> 0.7971
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cos(37°15') = cos(37.25°) ≈ 0.7960

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284.837734 ft^3 rounded up to 284.84 ft^3

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John and Matt are going to fill a pool with 2 different sized hoses. John can fill the pool in 5 hours, while Matt can complete
Gekata [30.6K]
The complete question is
John and Matt are going to fill a pool with 2 different sized hoses. John can fill the pool in 5 hours, while Matt can complete it in 10 hours.How long will it take both to fill the pool? Explain each step in solving this equation.

we know that
<span>John can fill the pool in --------------> 5 hours
</span>therefore
<span>I calculate the amount of pool that John fills in one hour
</span>if John can fill 100% of the  pool in----------------> 5 hours
X--------------------------------------> 1 hour
X=1/5=0.20 pool/hour

Matt  can fill the pool in --------------> 10 hours
therefore
I calculate the amount of pool that Matt  fills in one hour
if Matt can fill 100% of the  pool in----------------> 10 hours
X--------------------------------------> 1 hour
X=1/10=0.10 pool/hour

<span>adding both amounts

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then
</span>if both can fills 30% of the  pool in----------------> 1 hour
100%-------------------------------> X
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the answer is 3.33 hours (3 hours + 19 minutes+ 48 sec)

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</span><span>y=0.30*t 

</span>
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3 years ago
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