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nikklg [1K]
4 years ago
13

Show how to make one addend the next tens number 15+37=_ so_+_=_

Mathematics
1 answer:
stiv31 [10]4 years ago
7 0
OK 15+37=52 now round to the nearest ten it will be 20+40=60 I think
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Answer:

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Answer:

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3 years ago
Which shows one way to determine the factors of x^3+5x^2-6x-30 by grouping?
xeze [42]

The factors of this equation are x = sqrt(6), x = -sqrt(6) and x = -5.

In order to find these by grouping, we start by just taking the first two terms. We then pull out the greatest common factor.

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Now we do the same for the last two.

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Since the two parenthesis left behind are exactly the same, we can use them along with the factors pulled out, multiplied together.

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Now to find the factors, we simply set both parenthesis separately equal to 0.

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8 0
3 years ago
A Circle Has a radius of six inches what is the exact length of an arc formed by a central angle measuring 45 degrees
Anvisha [2.4K]

\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ r=6\\ \theta =45 \end{cases}\implies s=\cfrac{(45)\pi (6)}{180}\implies s=\cfrac{3\pi }{2}\implies s\approx 4.7

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