2 years ago

Dose someone know hope to do this can someone help

Mathematics

2 answers:

Art [367]2 years ago

5 0

The point where they intersect

horrorfan [7]2 years ago

3 0

Answer:

When it asks for where the output values are the same, it's the fancy way of saying where do the lines cross over each other. I believe it's just looking for the point of intersection. And you have it right with x = 4.

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The average and standard deviation of a measurement is 15.0 ± 5.0. if 100 students measured the value, how many would you expect

AURORKA [14]

Solution: We are given:

$\mu=15, \sigma=5$

Using the empirical rule, we have:

$\mu \pm \sigma$ covers 68% of data.

Also the percentage of values below mean = Percentage of values above mean = 50%

Now, let's find the z score for x=20

$z=\frac{20-15}{5}=1$

Therefore, the percentage of values greater than 1 standard deviation above mean $50\% - \frac{68\%}{2} =50\%-34\%=16%$

Expected number of students = 16% of 100 = 16

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2 years ago

Sixth grade

garri49 [273]

Answer:

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Step-by-step explanation:

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2 years ago

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dem82 [27]

Answer:

0.075 metre

2000 mm

500 cm

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86400 second

18000 second

Step-by-step explanation:

hope it helps

7 0

2 years ago

Which list shows all the factor pairs of 42? A. 1 and 42, 2 and 24, 3 and 18, 4 and 13, 6 and 8 B. 1 and 42, 2 and 21, 3 and 14,

kondor19780726 [428]

Answer:

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2 years ago

Write an expression for "the quotient of 9 and c"

Eva8 [605]

9÷c

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The quotient of 9 and c would be 9 divided by c

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