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miskamm [114]
3 years ago
9

The body of a person who weighs 50 kilograms consists of 32.5 kilograms of oxygen, 9 kilograms of carbon, 5 kilograms of hydroge

n, and 3.5 kilograms of other elements. What percent of the person's body weight is oxygen
Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

\frac{Oxygen}{Total} = \frac{32.5}{50} = 0.65 = 65%

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Is this answer right??
nirvana33 [79]

yes, its correct.

(to be absoletely sure, look it up on google. but ik enough about this lesson to know its correct)

4 0
3 years ago
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The Halloways are taking a trip to Maine. Mr. Halloway knows that it is about 885 miles to their destination in Maine from their
natita [175]

Answer:

Number of hours= 13.61 hours

Step-by-step explanation:

Giving the following information:

Mr. Halloway knows that it is about 885 miles to their destination.

Average speed= 65 miles per hour

<u>To calculate the number of hours to be drive, we need to use the following formula:</u>

Number of hours= total miles / miles per hour

Number of hours= 885/65

Number of hours= 13.61 hours

7 0
3 years ago
Fredo has a coupon for $1.00 off the price of a loaf of bread at the grocery store.After he arrived at the store,he found out th
Pani-rosa [81]

Answer:

$3 discount

Step-by-step explanation:

If Fredo originally had the markdown as $0 (meaning no change), then he arrived at the store, seeing the markdown was $2, the current markdown is $2.

Now that he has an extra $1 off, he gets 2+1 = $3 off the bread.

Hope this helped!

3 0
3 years ago
Order the following numbers from least to greatest <br> -9/2<br> 0<br> 1 3/5<br> 9/7<br> 2/3
marysya [2.9K]

\frac{-9}{2}

0

\frac{2}{3}

\frac{9}{7}

1\frac{3}{5}

3 0
3 years ago
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Question12....................................
tatyana61 [14]

Answer:

u = ± 4

Step-by-step explanation:

Given

u² = 16 ( take the square root of both sides )

u = ± \sqrt{16} = ± 4

u = - 4, u = 4

5 0
3 years ago
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