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pochemuha
3 years ago
13

The diagram represents a difference of squares.

Mathematics
2 answers:
pshichka [43]3 years ago
7 0
The answer is d. 

Explanation:
To start with, classify the first two terms and factor out the common factor. i.e m is a common factor of m2-6m. By factoring it out we get m(m-6).

Follow the same procedure for terms three and four. ie
6 is a common factor of 6m-36. By factoring out, 6(m-6)
Regrouping
m(m-6)+6(m-6)
By factoring out (m-6), we get:
(m-6)(m+6)
stealth61 [152]3 years ago
7 0

Answer:

Option D (m-6)(m+6)

Step-by-step explanation:

we have

m^{2} -6m+6m-36

Simplify

m^{2} -6m+6m-36=m^{2} -36

we know that

In a difference of square

(a^{2}-b^{2})=(a+b)(a-b)

Remember that

36=6^{2}

therefore

(m^{2}-6^{2})=(m+6)(m-6)

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Nesterboy [21]

Answer:

A circle is centered at the point (-3,2) and passes through the point (1,5). The radius of the circle is (5 ) units. the point (-7, -1) and point (-7, 5) lies in this circle.

Step-by-step explanation:

equation of circle is

(X-center_X)^2 + (y-center_Y)^2 = r^2

==> (x+3)^2 + (y-2)^2 = r^2

Now it passes 1,5 so

4^2+3^2 = 5^2

==> r = 5

when x = -7

y = -1 or 5

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3 years ago
3) A chef randomly chooses subscription information from his blog readers to determine people who are likely to watch his new co
frosja888 [35]

Answer:

The answer is D, the random sample does not represent all people who are likely to watch the chef's cooking show.

Step-by-step explanation:

This is because not all people who enjoy cooking know about or visit the chef's blog.

7 0
3 years ago
Read 2 more answers
You measure the lifetime of a random sample of 64 tires of a certain brand. The sample mean is x¯=50 months. Suppose that the li
Anni [7]

Answer:

(48.3875, 51.6125)

Step-by-step explanation:

At 99% level of significance

\alpha=1-0.99=0.01

Z_{a\lpha /2}=0.01/2=0.005

From the normal standard deviation table Z_{a\lpha /2}=2.33

Considering that

\bar x ± Z_{a\lpha /2} \frac {\sigma}{\sqrt{n}}=50±2.33\frac {5}{\sqrt {64}}

50±2.33(0.625)=50±1.6125=(48.3875, 51.6125)

Therefore, there’s 99% confidence that the mean lifetime of a certain brand of tires is between 48.3875 and 51.6125

3 0
3 years ago
On a standardized exam, the scores are normally distributed with a mean of 250 and
fredd [130]

Answer:

the z-score is within 3

Step-by-step explanation:

first you got to take the standard deviation and add it to the mean since 375 is greater than 250. so the equastion would be

250+50=300+50=350+50=40

so the z-score for the value of 375 is within 3      

7 0
3 years ago
Are the data shown in this line plot skewed left, skewed right, or not skewed?
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Not skewed, I can tell dawgggg ooooohhhhh and I’m wasted
4 0
3 years ago
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