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astraxan [27]
3 years ago
14

Strontium-90 has a half-life of about 29 years. After 65 years, about how many

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

about 11.16 grams.

Step-by-step explanation:

65/29=2.24

So, if we divide 25 by 2.24, we should find the answer. We get:

25/2.24= about 11.16 grams.

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2 years ago
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3 years ago
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In 10 years, a child’s age will be 6 years less than triple her current age. Find the child’s current age.
Pavel [41]

Answer:

Her current age is 8 years old.

Step-by-step explanation:

Current age: x

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In 10 years: <u>x + 10</u>

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<em>solve.</em>

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3 years ago
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