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Trava [24]
3 years ago
15

What are the 3 possible types of solutions in which you can have zeroes? Describe each one.

Mathematics
1 answer:
hjlf3 years ago
3 0

Answer:

its cut off Step-by-step explanation:

its cut off dude

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Question
balandron [24]

Answer:

The approximate percentage of SAT scores that are less than 865 is 16%.

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 1060, standard deviation of 195.

Empirical Rule to estimate the approximate percentage of SAT scores that are less than 865.

865 = 1060 - 195

So 865 is one standard deviation below the mean.

Approximately 68% of the measures are within 1 standard deviation of the mean, so approximately 100 - 68 = 32% are more than 1 standard deviation from the mean. The normal distribution is symmetric, which means that approximately 32/2 = 16% are more than 1 standard deviation below the mean and approximately 16% are more than 1 standard deviation above the mean. So

The approximate percentage of SAT scores that are less than 865 is 16%.

8 0
3 years ago
Evaluate 3x² - 1 when x = 2.<br> A. 11<br> B. 35<br> C. 3<br> D. 5
Alexus [3.1K]

Answer:

35

Step-by-step explanation:

All you need to do is substitute!

(3x2)^2-1

6^2-1

36-1

= 35

Hope this helps!!

4 0
2 years ago
Hellllppppp please. In fraction form please
blondinia [14]
1/23.Yup thast is the answer.

4 0
3 years ago
Please help me ...................
vova2212 [387]

Based on the chart on the left, you can see there are 2 dragonflies with the lengths of 3 1/4 inches. Therefore, 2 marks should be made over the 3 1/4 inches spot on the line plot.

Hope this helps

Brainliest would be appreciated

-AaronWiseIsBae

5 0
4 years ago
Comman factor of 25 60 75
jeka57 [31]
5,and don't forget who taught you how to fight kid.
6 0
3 years ago
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