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3 years ago

Please help I only got 20 minutes to answer!!!!!!!!!

Mathematics

1 answer:

Digiron [165]3 years ago

6 0

Answer:

r=c/2π

3/2π

=0.47746482927

Brainlist Pls!

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Decrease <br> 489.8<br> by 82%

Delicious77 [7]

Answer:

88.164

Step-by-step explanation:

First you find 82 percent of 489.8 and to do the we do

489.8 times .82

which equals 401.636

now we decrease 489.8 by 401.636

489.8 minus 401.636 equals

88.164

3 0

3 years ago

Read 2 more answers

Oliver and Peter had the same length of string. Oliver used 3/4 of his string to tie a bundle of newspaper. Peter used 6/8 of hi

solmaris [256]

Answer:

Yes they did.

Step-by-step explanation:

So you have the fraction 3/4 and 6/8. If you divide the fraction 6/8 by 2 you will get 3/4 since 6/8 is an unsimplifed form of 3/4.

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4 years ago

Factor the algebraic expression below in terms of a single trigonometric function. sin 2x + sin x - 2

Pie

Answer:

The factored form is (sin x +2)(sin x-1)

Step-by-step explanation:

We have been given the trigonometric function $\sin^2 x +\sinx-2$

We can factor this by AC method. In AC method we multiply the term a and c and then write the middle term b in such a way that the sum/difference is equal to the product 'ac'

Using the method, we can write sinx as 2sinx -sinx

$\sin^2 x +2\sinx-\sin x-2$

Now, we group the first two terms and the last two terms

$(\sin^2 x +2\sinx)+(-\sin x-2)$

Now, we take GCF from each group

$\sin x(\sin x +2)-1(\sin x+2)$

Factor out (sinx+2)

$(\sin x +2)(\sin x-1)$

Therefore, the factored form is (sin x +2)(sin x-1)

7 0

4 years ago

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What is 4/16 as a percentage

masya89 [10]

To find 4/16 as a percentage you can take 4/16=.25 and to turn a decimal into a percentage just move the decimal two places to the right. Giving you the percentage of 25%.

Hope this helps!=)

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4 years ago

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What might the area of the rectangle be?

mezya [45]

Answer:

Not enough information to determine the area.

Step-by-step explanation:

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2 years ago