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3 years ago

5

A geologist have two rocks on a scale that weighs 2 1/2 lbs together rock a was 1/7 of a the total weight how much did rock a we

ight

1 answer:

oee [108]3 years ago

4 0

2/35, just ask your calculator what is one seventh of two and one half.<span />

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There are 450 people at a play, the total receipt for $600 and the admission was $2 for adults and $0.75 for children, how many

sdas [7]

Answer:

340 children, 210 adults.

Step-by-step explanation:

$Let \ a \ - adults, \ c - children;\\c + a = 450\\0.75c + 2a = 600|\cdot 4\\3c + 8a = 2400;\\\\c + a = 450|\cdot(-3)\\3c + 8a = 2400\\-3c -3a = -1350\\5a = 1050 => a = 210, c = 450 -210 = 340.$

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3 years ago

What is 5 3/20 as a decimal?

Marrrta [24]

5 3/20 = 5.15 <=====

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3 years ago

Two angles are supplementary to each other. If the first angle measures 58 then which of the following could be the measure of t

34kurt

Answer: 122°

Step-by-step explanation:

When an angle is supplementary to each other , it means the angle measures to 180°.

Now since one of the two angles is 58°, therefore, the other angle will be

180° - 58°

= 122°

6 0

3 years ago

kupik [55]

Answer:

True

Step-by-step explanation:

~Is SAA side-angle-angle

8 0

2 years ago

<img src="https://tex.z-dn.net/?f=%282w%20%2B%201%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(2w + 1) {}^{2} " alt="(2w +

Lynna [10]

Answer:

4w^2 +4w+1

this is the product.

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers