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sladkih [1.3K]
3 years ago
5

How do i solve 3 |×+5| +7 =1​

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer: 0

Step-by-step explanation:

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Suppose that diameters of a new species of apple have a bell-shaped distribution with a mean of 7.43cm and a standard deviation
malfutka [58]

Answer:

Approximately 68% of the apples have diameters that are between 7.08cm and 7.78cm.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean of 7.43cm, standard deviation of 0.35cm.

What percentage of the apples have diameters that are between 7.08cm and 7.78cm?

7.43 - 0.35 = 7.08 cm.

7.43 + 0.35 = 7.778 cm.

Within 1 standard deviation of the mean, so approximately 68% of the apples have diameters that are between 7.08cm and 7.78cm.

5 0
3 years ago
A city bus drives 160 miles in 8 hours. What is the average rate of speed in miles per hour?
faust18 [17]

that would be 20 miles per hour. If in 8 hours you're going 160, then divide 160 by 8 and you'd get 20. Each hour is 20 miles. or 8 times 20 is 160. Your answer is 20 miles per hour

4 0
3 years ago
Help please, you smart peoples ;-; Will give brainliest!
Norma-Jean [14]

Answer:

0.25

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
15+(12+8a) simplify and justify each step
ki77a [65]
1. distribute a 1 to the 12 and 8a
2. you'll get 15+ 12 +8a
3. add the like terms(15 and 12)
4. your final answer will be 27+8a
5 0
3 years ago
Read 2 more answers
-2(6+s) Greater than or equal to -15 - 2s
Eddi Din [679]

Answer:

I'm leaning mostly towards C Because there is a solution, None of them are real numbers and if they were, S would = 5 Especially positive S

~ Zachary

7 0
3 years ago
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