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irinina [24]
3 years ago
10

Hi, can someone help explain this. (Triangle similarity/10th grade)

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0
This is one proportion that can be created from the given information \frac{36}{24} = \frac{6x-6}{3x+7}.

You would then use cross product to solve it. Also reduce 36/24 to 3/2
3(3x + 7) = 2(6x - 6)
9x + 21 = 12x - 12
33 = 3x                   I subtracted 9x from both sides and added 12 to both sides
11 = x
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The side length of aDavid is a statistician. He has a sample size of 40 (which he cannot change). What element of his hypothesis
Sergeeva-Olga [200]

Answer: D) the significance level of the test

=======================================================

Explanation:

The significance level of the test, also known as "alpha", is the probability of making a type 1 error. A type 1 error is where you reject the null hypothesis but it was true all along.

The null hypothesis is where we test a certain probability distribution (eg: normal distribution). Specifically we gather a sample of values and compute the test statistic. If the probability of getting that test statistic or more extreme is smaller than alpha, then we reject the null. This probability value is known as the p-value.

If you lower the alpha value, then that will make it more likely you do not reject the null. Consider an example where alpha = 0.10 to start with. If you get a p-value of 0.02, then you would reject the null. The same would apply for alpha = 0.05; however, with alpha = 0.01, the p-value is no longer smaller than alpha. At this point we do not reject the null. Your textbook may use the phrasing "fail to reject the null".

Going in the opposite direction, increasing the alpha value will make it more likely to reject the null. Each time you adjust the alpha value, keep the p-value to some fixed number (between 0 and 1).

6 0
3 years ago
Read 2 more answers
Please help me with this question !!!!
AlekseyPX
The distance of DC=HG,4.47; distance of CB=GF, 2.23; distance of BA=FE, 2.23; distance of AD=EH, 3.16


Answer:All sides are congruent so the shapes are congruent

Hope this helps :)
4 0
4 years ago
Solve the equation (39+5=5a=9)<br>​
trapecia [35]

Answer:

EVALUATE

false

Step-by-step explanation:

Complex number

(39+5=5a=9)

3 0
2 years ago
For every cup of flour 4 batches of cookies can be
Aleonysh [2.5K]

Answer:

5 cookies

Step-by-step explanation:

4/1=4 4+1=5

7 0
3 years ago
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Dan and Becca have cups that are the same size. Dans cup is 1/4 full of water. Beccas cup is 1/6 full of water. Compare the amou
matrenka [14]

Answer:

>

Step-by-step explanation:

1/4 is greater than 1/6.

8 0
3 years ago
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