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andriy [413]
3 years ago
5

A radioactive substance decays exponentially. A scientist begins with 150 milligrams of a radioactive substance. After 20 hours,

75 mg of the substance remains. How many milligrams will remain after 27 hours?
Mathematics
1 answer:
adell [148]3 years ago
6 0

Answer:

Step-by-step explanation:

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Jenny has 2.40 deducted from her monthly allowance every time she forgets a chore
Free_Kalibri [48]

Answer:

Whatever her allowance is - 2.40 every time she skips a chore would be your answer.

Step-by-step explanation:

Deducted- Taken away/subtracted

6 0
3 years ago
Write an equivalent expression.
Tomtit [17]

Answer:

D

Step-by-step explanation:

You just have to expand and you'll get the answer.

4 0
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3(0.5x-4)=3/2x-1.2 plz answerrr
natita [175]

Answer:

NO solution, this statement is not true.

Step-by-step explanation:

Distribute

1.5x-12=3/2x-1.2

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6 0
3 years ago
19. Find the
nirvana33 [79]

>-<

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༼ つ ◕_◕ ༽つ

(/▽\)

(o゜▽゜)o☆

8 0
3 years ago
5. The area of a circle is 78.5 cm2. What is the diameter of the circle?
stellarik [79]
The answer would be 10.
d=2A
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7 0
3 years ago
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