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lara31 [8.8K]
2 years ago
8

Help fast plss!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
sweet [91]2 years ago
3 0

Answer:

d

Step-by-step explanation:

GaryK [48]2 years ago
3 0
D hope it help SORRY IF IM WRONG
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The difference of twice a number and 2 is<br> 40. Find the number.
IgorLugansk [536]

Answer:

answer = 21

Step-by-step explanation:

2n - 2 = 40

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2 years ago
Need help <br> : a^2-7a =0
Sladkaya [172]

Answer:

a = 0 or a = -7

Step-by-step explanation:

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2 years ago
The number of milligrams Dh of a drug in a patient's bloodstream h hours after the drug is injected is modeled by the following
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We assume you intend

D(h)=35e^{-0.15h}

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The amount injected was 35 milligrams; 8 hours later 10.54 milligrams remained.

4 0
2 years ago
The price of a skateboard is reduced by 25%. The original price was $120. Find the new price.
8_murik_8 [283]

New price = <u>90 dollars</u>

<u></u>

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