2 years ago

Can you please answer all three of these questions.

Mathematics

2 answers:

Bezzdna [24]2 years ago

8 0

What ever the guy above me said is correct

Dmitry_Shevchenko [17]2 years ago

6 0

First one is - $101.91
I’m not sure about the 2nd one but I got 6-7 percent
Third one is 70

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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>

m(x) = 67 * $(1/2)^{x/83}$ , where m- remaining amount of the radioactive material, x - number of hours

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

m(5) = 67 * $(1/2)^{5/83}$ = 64.260 (rounded)

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grin007 [14]

Answer:

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Irina-Kira [14]

Answer:

$9 x^4 y^6$

Step-by-step explanation:

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2 years ago

Read 2 more answers

Find the least common multiple.

vovangra [49]

Answer:

C - 3,600

Step-by-step explanation:

100 16 45 ÷ 2

50. 8. 45 ÷ 2

25. 4. 45 ÷ 2

25. 2. 45. ÷ 2

25. 1. 45. ÷ 3

25. 1. 15. ÷ 3

25. 1. 5. ÷ 5

5. 1. 1. ÷ 5

1. 1. 1

L.C.M = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 = 3, 600

I know this may be confusing but if you don't understand, you're welcome to ask.

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3 years ago