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3 years ago

Please help

Mathematics

1 answer:

Rudiy273 years ago

5 0

It would be C since a scale factor of 2 makes the original A coordinate of (3,3) times 2 therefore the new coordinates being (6,6)

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The question and the answers choices are in the picture please and thank you :)

joja [24]

Answer:

Option 3

Step-by-step explanation:

Hope this helps

Have a great day!

8 0

3 years ago

The mean annual tuition and fees for a sample of 12 private colleges was 36,800 with a standard deviation of 5,000 . A dotplot s

Ilya [14]

Answer:

The value of the test statistic and degrees of freedom is 2.148 and 11 respectively.

Step-by-step explanation:

Consider the provided information.

The mean annual tuition and fees for a sample of 12 private colleges was 36,800 with a standard deviation of 5,000 .

Thus, n = 12, $\bar x=36800$ σ = 5000

degrees of freedom = n-1 = 12-1 = 11

$H_0: \mu = 33700\ and\ H_a: \mu \neq 33700$

Formula to find the value of z is: $z=\frac{\bar x-\mu}{\frac{\sigma}{\sqrt{n}}}$

Where $\bar x$ is mean of sample, μ is the mean of population, σ is the standard deviation of population and n is number of observations.

$z=\frac{36800-33700}{\frac{5000}{\sqrt{12}}}$

$z=2.148$

Hence, the value of the test statistic and degrees of freedom is 2.148 and 11 respectively.

6 0

3 years ago

Help me ASAP plssssssssss

sveticcg [70]

Answer:

Community Parks

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Find the midpoint of the segment with the given endpoints . G(-3,-5) and H(1,-1)

Serhud [2]

All you have to do for this is follow the midpoint formula.

Let me know if the picture is unclear and I'll type it out for you.

4 0

3 years ago

ladder is 8 ft long . The ladder needs to reach to a window that is 6 ft above the ground . How far away from the house should t

stiks02 [169]

Answer:

5.3 or 28

Step-by-step explanation:

$6^{2}$ + $b^{2}$ = $8^{2}$

36+ $b^{2}$ =64

64-36=28

$\sqrt{28\\}$

=5.29 or 5.3

5 0

3 years ago