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RideAnS [48]
3 years ago
5

Plz help ill give you brainlist

Mathematics
1 answer:
snow_lady [41]3 years ago
5 0
3+3×5-7=23 her original number was 3
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In 2000, U.S. Airways burned about 115 litres of fuel per passenger. In 2014 that dropped
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Answer:

22% reduction

Step-by-step explanation:

Find the percent decrease by dividing the difference in amounts by the original amount.

Find the difference:

115 - 90 = 25

Divide this by the original amount:

25/115

= 0.217

So, the percent decrease is 21.7%. Round this to the nearest whole percentage:

= 22

The percent reduction in fuel used was approx. 22%

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Nathan is buying a cell phon for his business. Thr regular price of the cell phone is $179. If he buys the phone in the next 2 w
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Answer:

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Step-by-step explanation:

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2 years ago
Q and R are not mutually exclusive events. p (q) = 3/5 p(r) = 1/3 and p ( q and r)= 1/5 find P(Q or R).
V125BC [204]
Recall the inclusion/exclusion principle:

\mathbb P(Q\cup R)=\mathbb P(Q)+\mathbb P(R)-\mathbb P(Q\cap R)

which means

\mathbb P(Q\text{ or }R)=\dfrac35+\dfrac13-\dfrac15=\dfrac{11}{15}
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Earl E. Byrd is selling boxes of cookies for a fundraiser. He gets to keep $5 for every box he sells. A one time fundraising fee
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Answer:

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Step-by-step explanation:

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