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Alchen [17]
3 years ago
12

Element X is a radioactive isotope such that every 11 years, its mass decreases by half.

Mathematics
1 answer:
Mkey [24]3 years ago
7 0

Answer:

27

Step-by-step explanation:

It would take about 25-27 years.

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200%

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Simplify the following expression as much as possible.
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bearhunter [10]

Answer:

Multiplier = 1.75x (7/4).

7/8 cups butter, 4 and 3/8 ounces chocolate, 1 and 3/4 cups sugar, 7/8 teaspoons vanilla, 3 and 1/2 eggs (4 if rounded!), 1 and 5/16 cups flour.

Step-by-step explanation:

The ingredient list is for 16 brownies, but you need to make 28. This means you have to make 1.75x the amount (28/16), so all ingredient quantities need to be multiplied by 7/4 (1.75 in fraction form).

Butter: 1/2 * 7/4 = 7/8 cups

Chocolate: 5/2 * 7/4 = 4 and 3/8 ounces

Sugar: 1 * 7/4 = 1 and 3/4 cups

Vanilla: 1/2 * 7/4 = 7/8 teaspoons

Eggs: 2 * 7/4 = 3 and 1/2 eggs (if rounded, 4, as 3.5 rounds up)

Flour: 3/4 * 7/4 = 1 and 5/16 cups

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Andrew wants to ride his bicycle 36 miles this week. He has already ridden 18 miles. If he rides for 5 more days, what is the av
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I am pretty sure the answer is 4  

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because 4 × 5 = 20 and 18 + 20 = 38

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