2 years ago

I NEED HELP ON 15 AND 16 PLEASE HELP ME I DONT UNDERSTAND IT

1 answer:

8 0

Lets round 15.99 to 16.00 and lets also round 9.99 to 10.00

So we would do 16.00+10.00

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I hope this can help.

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Compute the following radical.<br> sq root 144

lara31 [8.8K]

we are given

$\sqrt{144}$

Firstly, we will find all possible factors of 144

$144=2\times 2\times 2\times 2\times 3\times 3$

we can also write as

$144=(2\times 2)^2\times (3)^2$

now, we can put exponent to over entire term

$144=(2\times 2\times 3)^2$

now, we can replace 144

$\sqrt{144}=\sqrt{(2\times 2\times 3)^2}$

now, sqrt will get cancelled with square

and we get

$\sqrt{144}=(2\times 2\times 3)$

now, we can simplify it

$\sqrt{144}=(4\times 3)$

$\sqrt{144}=12$ .............Answer

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2 years ago

Pls someone help me or i’ll faint

never [62]

Answer:
a) DF = 20

b) DF =
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2 years ago

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I ordered some books online for myself and friends. Each book costs \$ 13$13 and the store charges a flat rate for shipping of

Sonbull [250]

Answer: 13n + 20

Step-by-step explanation:

The cost of each book is $13. That means that if you end up buying "n" books, cost would be:

= Cost of each book * number of books

= 13 * n

= 13n

You would also get charged a flat rate for shipping of $20 which would be added to the above cost to bring a total of:

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2 years ago

Solve 19.9 = 9 y - 8.<br> Y=

Savatey [412]

The answer would be y = 3.1

19.9 + 8 = 9y

27.9 = 9y

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3.1 = y

y = 3.1.

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2 years ago

You randomly choose one of the tiles. Without replacing the first tile, you randomly choose a second tile. Find the probability

scoray [572]

I think it's 1/2 or 1/4

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2 years ago