The answer for number 6. How many minutes did sherita use during the months

Mathematics

1 answer:

ryzh [129]3 years ago

8 0

Answer: 75 min

Step-by-step explanation:

First lets subtract 20 from the total to get the amount of minutes she used

31.25 - 20 = 11.25

Now divide 11.25 by 0.15

11.25/0.15 = 75

She used 75 min

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Masteriza [31]

The unit rate would be 11/2. Hope this helped.

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3 years ago

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IRISSAK [1]

The wording of this question is a bit confusing... You can't write a sequence in sigma notation, but rather a series or sum. I think the question is asking you to write the sum of the sequence,

$\dfrac12,\dfrac14,\dfrac18,\ldots,\dfrac1{64}$

which would be

$\dfrac12+\dfrac14+\dfrac18+\cdots+\dfrac1{64}$

in sigma notation.

To do this, notice that the denominator in each term is a power of 2, starting with $2^1=2$ and ending with $2^6=64$ . So in sigma notation, this series is

$\displaystyle\sum_{n=1}^6\frac1{2^n}$

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3 years ago

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katrin [286]

Answer:

The answer is 12.64 ft.

Step-by-step explanation:

From the figure it is clear that slope is the hypotenuse which we have to find while the other two sides are legs of the triangle whose lengths are known.

so the pitch of the roof is 12.64 ft. i explained in the figure below as well.