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IRINA_888 [86]
3 years ago
14

It takes Harland 15 minutes to rake all leaves in the front yard. If Trudy scatters the leaves while Harland rakes, it takes him

20 minutes to rake the leaves. How many minutes does it take Trudy to scatter all the leaves?
A)5 minutes
B)12 minutes
C)45 minutes
D)60 minutes
Mathematics
2 answers:
Virty [35]3 years ago
7 0
A because its a 5 minute increase in raking time
natta225 [31]3 years ago
5 0
The answer is C)45 minutes
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Oksana_A [137]
Well, $415.80 is the 100% price.
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4 0
3 years ago
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When the factors of a trinomial are (x+p) and (x-q) then the coeffcient of the x term in the trinomial is?
Tatiana [17]
The coefficient is:  "1" .
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          Note:  There is an "<u>implied coefficient</u>" of "1"; since "1",  multiplied by any value, is equal to that exact same value; by convention, we eliminate the "1" as a coefficient.
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Further explanation:
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4 0
3 years ago
Use the rules of exponents to evaluate or simplify.write without negative exponents. 1/4^-2=?
Talja [164]

9514 1404 393

Answer:

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Step-by-step explanation:

The applicable rule of exponents is ...

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So, ...

 \dfrac{1}{4^{-2}}=\boxed{4^2 = 16}

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<em>Additional comment</em>

If you were to evaluate this using the Order of Operations, you would evaluate the exponent first:

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Then, you would do the division.

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We sometimes find it convenient to manipulate exponential terms to the form with the smallest positive exponents before we begin the evaluation.

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