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Sauron [17]
3 years ago
5

Plz help me out ...And pls don’t use my points and don’t say idk sry in the answer’s

Mathematics
2 answers:
shutvik [7]3 years ago
8 0

Answer: trapzoid 18 _ 12 _ 8 _10 =40

cube 17/5

Step-by-step explanation:

kupik [55]3 years ago
8 0

Answer:

i know you figure it out the answer

Step-by-step explanation:

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The average age at which adolescent girls reach their adult height is 16 years. Suppose you have a sample of 29 adolescent girls
kumpel [21]

Answer:

standard error = 1.63

Step-by-step explanation:

To calculate the standard error we need to know the standard deviation (σ) and the sample size (n) (see the attached formula).

To obtain the standard deviation we use the given sample variance of 77.4 years:

σ²= variance

Therefore:

σ = √77.4 = 8.8

Now we can calcuate the estimated standard error:

standard error = σ /√n = 8.8/√29 = 1.63

The standard error gives us an estimation about how far the mean of the sample is from the mean of the entire population, and in this case is 1.63.

7 0
2 years ago
What does 21/8= as a mixed number?
anyanavicka [17]

Answer:

The answer is 2 6/8

Step-by-step explanation:

7 0
3 years ago
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tia_tia [17]

Answer:

0

<em>Quick </em><em>Tip</em>

<em> </em>X - value on the y - axis is always 0.

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y = 5.

8 0
2 years ago
The right triangle on the right is a scaled copy of the right triangle on the left. Identify the scale factor. Express your answ
Elena-2011 [213]
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2
Step by step
10•2=20
3 0
2 years ago
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Triangle PQR has vertices P(–2, 6), Q(–8, 4), and R(1, –2). It is translated according to the rule (x, y) → (x – 2, y – 16).
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3 years ago
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