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3 years ago

13

To multiply a decimal number by 1000 move the decimal point

2 answers:

KengaRu [80]3 years ago

5 0

You'll have to move the decimal point<span> to the right as many </span>places<span> as there are zeros in the factor,then you'll have to m</span>ove the decimal point<span> one step to the right (10 has one zero),and m</span>ove the decimal point<span> two steps to the right (100 has two zeros).</span>

bezimeni [28]3 years ago

4 0

Answer:

4Step-by-step explanation:

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2 years ago

The quotient of a number and -5 decreased by 9 is 2

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3 years ago

Law of cosines: a2 = b2 + c2 – 2bccos(A) What is the measure of P to the nearest whole degree? 35° 52° 57° 72°

Ymorist [56]

Answer: 57°

Given : In triangle PQR, the side PQ is 17, QR is 15, and PR is 14.

We use law of cosine formula

$QR^2 = PR^2 + PQ^2 - 2* PR * PQ * cos (P)$

$15^2 = 14^2 + 17^2 - 2*14 * 17 * cos(P)$

225 = 196 + 289 - 476 cos(P)

225 = 485 - 476 cos (P)

Subtract 485 on both sides

-260 = -476 cos(P)

$\frac{260}{476}$ = cos(P)

P = $cos^{-1} (\frac{260}{476})$

P= 56.89202

So measure of angle P is 57 degrees

4 0

3 years ago

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