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Anna11 [10]
3 years ago
8

PLEASE HURRY.

Mathematics
1 answer:
hichkok12 [17]3 years ago
6 0

Answer:

i think B.

Step-by-step explanation:

Hope this helps :p

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2.8 1/3 of 3.5 is .7    .7 - 3.5=2.8
4 0
3 years ago
Please help. WIll give brainliest if you explain
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First, you multiply the numerator and denominator by </span>√5. 
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5 0
3 years ago
Is -8 - 2(3+2n)+7n equivalent to -30 - 13n​
soldi70 [24.7K]

Answer:

The terms are not equivalent

Step-by-step explanation:

-8 - 2(3+2n)+7n

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-8 -6-4n+7n

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4 0
3 years ago
What is 9 over 5 in a percent
Nataly_w [17]
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3 0
4 years ago
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The half-life of a certain radioactive material is 83 hours. An initial amount of the material has a mass of 67 kg. Write an exp
Anvisha [2.4K]

Answer:

  • Initial amount of the material is 67 kg
  • Hal-life is 83 hours

<u>The required equation is:</u>

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<u>After 5 hours the material remains:</u>

  • m(5) = 67 * (1/2)^{5/83} = 64.260 (rounded)
4 0
3 years ago
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