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faust18 [17]
3 years ago
13

And this one. Thank you

Mathematics
1 answer:
vekshin13 years ago
5 0

Answer:

D. 390

Step-by-step explanation:

9(21)+3(3)(21)+12

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NNADVOKAT [17]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
The half life of a drug in the bloodstream is 18 hours. What fraction of the original drug dose remains in 36 hours? in 72 hours
xxTIMURxx [149]

Answer:

1/4 in 36 hours

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5 0
3 years ago
Compute: 245 * 1,493. Show your work.
sesenic [268]
0 + 0 + 5 = 5

0 + 2 + 6 = 8

6 + 7 + 4 = 17
Put the 7 in the appropriate column and carry the 1.

<span>8 + 9 + 7 + </span><span>1(carried)</span><span> = 25</span>
Put the 5 in the appropriate column and carry the 2.

<span>9 + 5 + </span><span>2(carried)</span><span> = 16</span>
Put the 6 in the appropriate column and carry the 1.

<span>2 + </span><span>1(carried)</span><span> = 3</span>

<span>So: 1493 × 245 = 365785</span>
4 0
3 years ago
Solve for x. <br> please help me!!
Nady [450]

Answer:

(2)(18)x

=36x

Step-by-step explanation:

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7 0
3 years ago
Screenshot of question attached
Liono4ka [1.6K]
Should be the 2nd and 3rd one
3 0
3 years ago
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