3 years ago

Can someone help me get this problem will give brainliest to who ever gets it right and 100 points.

Mathematics

1 answer:

anzhelika [568]3 years ago

7 0

Answer:

similar triangles are the same shape, but not necessarily the same size.

Step-by-step explanation: So im thinking it is a YES.

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Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college. You survey 10

neonofarm [45]

Answer: 1.460

Step-by-step explanation:

Given : Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college.

Let $\mu$ represents the population mean .

Then, the set of hypothesis will be:-

$H_0: \mu=15$

$H_a:\mu\neq15$

We assume that this is normal distribution.

Sample size : n = 10, which is a small sample (n<30) ,s o we use t-test.

Sample mean : $\overliene{x}=16.2\ lbs$

Standard deviation : $\sigma=2.6$

The test statistic for population mean for small sample is given by :-

$t=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

$t=\dfrac{16.2-15}{\dfrac{2.6}{\sqrt{10}}}=1.45951276623\approx1.460$

Hence , the value of test statistic = 1.460

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3 years ago

Please help me I don't know how to do this!<br> Find the measure of the angles.

KengaRu [80]

Answer:

which angles do you mean its kinda confusing

Step-by-step explanation:

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3 years ago

There are 2.54 centimeters in an inch. when using this conversion factor, how many significant figures are you limited to?

cestrela7 [59]

<span>infinite number of significant figures would be your answer </span>

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4 years ago

How do you write 200 trillion in scientific notation?

ratelena [41]

You can use either of these, depending on your teacher.
2.e+14
2.0*10^14

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=6%20%5Ctimes%203%20%5Cfrac%7B1%20%7D%7B4%7D%20" id="TexFormula1" title="6 \times 3 \frac{1 }{4

Andreyy89

$6 \times 3\frac{1}{4} \\ \frac{24}{4} \times \frac{13}{4} = \frac{312}{16} = \frac{39}{2} = 19 \frac{1}{2}$

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4 years ago