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Softa [21]
3 years ago
12

A file Mrs. Campbell wants to download says it will take about 32 minutes. Her computer says 24 minutes have passed since the do

wnload began. What percent of the file has been downloaded?
Mathematics
2 answers:
irina [24]3 years ago
7 0

Answer:

75.00%

Step-by-step explanation:

The first step is to divide 24 by 32 to get the answer in decimal form: 24 / 32 = 0.7500 Then, we multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.7500 * 100 = 75.00%

IRINA_888 [86]3 years ago
3 0
75%
32•.75=24
hope this helps
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Answer: 28

Step-by-step explanation: All you have to do is multiply 70 by 4 and take away the zero to get your answer

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After releasing of radioactive material into.The atnosphere from.A nuclear.Powe plant in a country in 1988, the hay in that coun
Radda [10]

Answer:

the question is incomplete, so I looked for a similar one:

<em>After the release of radioactive material into the atmosphere  from a nuclear power plant, the hay was contaminated by iodine  131 ( half-life, 8 days). If it is all right to feed the hay to cows  when 10% of the iodine 131 remains, how long did the farmers  need to wait to use this hay? </em>

iodine's half life (we are given x, we need to find b):

0.5A₀ = A₀eᵇˣ

x = 8 days

we eliminate A₀ from both sides

0.5 = eᵇ⁸

ln 0.5 = ln eᵇ⁸

-0.69315 = b8

b = -0.69315 / 8 = -0.08664

since the farmers need to wait until only 10% of the iodine remains (we already calculated b, now we need to find x):

0.1A₀ = A₀eᵇˣ

0.1 = eᵇˣ

ln 0.1 = bx

where b = -0.08664

x = ln 0.1 / -0.08664  = -2.302585 / -0.08664  = 26.58 days

4 0
3 years ago
What is the solution of -4(8-3x)&gt;or=6x-8?
Illusion [34]

Answer:

-4(8-3x)>or =6x-8

Step-by-step explanation:

open d bracket

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collect like terms

12x-6x >or =-8+32

6x = 24

divide both sides by 6

x= 4

8 0
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4x^4
so the answer would be
4x^4(18x-20)
4 0
3 years ago
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