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svetoff [14.1K]
3 years ago
7

A meteorite is a solid piece of debris from an asteroid or comet that traveled from outer space to reach Earth's surface. There,

it turns a rusty, reddish-brown color over time. Based on this information, which of the following can be concluded about the physical composition of the asteroid or comet that this meteorite came from? A It contains gold. B It contains glass. C It contains sand. D It contains iron plzzz helppppp
Mathematics
2 answers:
djverab [1.8K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

When iron reacts with air and water, it forms Iron (III) oxide, also known as rust, which is reddish-brown.

Dafna11 [192]3 years ago
4 0

Answer: D

--

Hope this helps

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Original price of a CD is $17.50 discount is 50%​
ladessa [460]

Answer:

$8.75

Step-by-step explanation:

To calculate this you could use two methods. The first method is to find out what 10% is and multiply it by 5. The second method is to calculate 50% using the formula.

<u>Method 1:</u>

To work this out you would simply divide 17.50 by 10, which is 1.75. This is because percentages are out of 100 and so by dividing by 10 we are finding out what 10% is. Then you would multiply 1.75 by 5, which is 8.75. Then you would minus 8.75 from 17.50, which is 8.75.

<u></u>

1) Divide 17.50 by 10.

17.50/10=1.75

2) Multiply 1.75 by 5.

1.75*5=8.75

3) Minus 8.75 from 17.50.

17.50-8.75=8.75

4) The new price is $8.75

<u>Method 2:</u>

<u></u>

The formula for percentages is.

\frac{percentage}{100} * amount

<u></u>

To work this out you would first divide 50 by 100, which gives you 0.5. Then you would multiply 0.5 by 17.50, which is 8.75. Then you would minus 8.75 from 17.50, which is 8.75.

1) Divide 50 by 100.

50/100=0.5

2) Multiply 0.5 by 17.50.

17.50*0.5=8.75

3) Minus 8.75 from 17.50.

17.50-8.75=8.75

4) The new price is $8.75.

7 0
3 years ago
Eight dollars more than the shirt costs
Natali [406]
The variable expression is x(shirt cost) + 8. The answer is x+8.
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2 years ago
Help please quick!!!
stepan [7]

Answer:

9,000 is the answer you are looking for

3 0
3 years ago
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torisob [31]

Answer:

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Step-by-step explanation:

1^3 is 1

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3 years ago
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What is the decimal form for nine and fifteen thousandths?
nikdorinn [45]
The decimal form for nine and fifteen thousandths is 09.15
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