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daser333 [38]
2 years ago
8

Convert the mass 21mg=___g

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
6 0

Answer:

0.021g

Step-by-step explanation:

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If 2(x + 3) = x + 10, then x equals what
Rama09 [41]

Answer:

x=4

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You need to apply the Distributive property on the left member of the equation:

2(x + 3) = x + 10\\ 2x+6=x+10

2. Now, you must solve for x, as following:

2x-x=10-6\\ x=4


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3 years ago
A clothing store charges $30 for 12 pairs of socks. A student says that the unit price is $0.40 per pair. What is the error? Wha
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the correct unit price is $2.50 per pair

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2 years ago
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3 0
3 years ago
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Write three different sentences that could describe the relationship between the quantities $27, $81
Olenka [21]
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3 years ago
Katy buys 4 DVDs every 2 weeks how many will she buy in 10
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If she maintains her average amount of movies bought every week, then she will buy 20 DVDs in 10 weeks. Explanation: she buys 4 every week, so if we want to find out how many are in 10 weeks, we must multiply two until we get to 10 ( five weeks ) then multiply that buy her average of movies. And that is how we get the answer of 20 DVDs! ( her at least I did )

Anyways, hope this helps!

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