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ycow [4]
3 years ago
10

Can someone help me ...

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0
The correct answer is the square root of 6.5
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Algebra 1 TestNav answers
Rudik [331]
Can you post the image of the question?
So there for i can help
6 0
2 years ago
Chapter 7, Section 7.2, Question P9 The process for manufacturing a ball bearing results in weights that have an approximately n
bogdanovich [222]

a. Let X be a random variable representing the weight of a ball bearing selected at random. We're told that X\sim\mathcal N(0.15,0.005^2), so

\mathrm P(X

where Z\sim\mathcal N(0,1). This probability is approximately

\mathrm P(Z

b. Let X_i be a random variable representing the weight of the i-th ball that is selected, and let Y be the mean of these 4 weights,

Y=\dfrac{X_1+X_2+X_3+X_4}4

The sum of normally distributed random variables is a random variable that also follows a normal distribution,

X_1+X_2+X_3+X_4\sim\mathcal N(4\cdot0.15,4\cdot0.005^2)

so that

Y\sim\mathcal N(0.15,0.005^2)

Then

\mathrm P(Y

c. Same as (b).

8 0
3 years ago
The table shows different possibilities for the number of students to the number of fans present at a football game. Which ratio
Deffense [45]

Answer: 7:49

Step-by-step explanation: As you can see in the table, if you divide the number of fans present at a football game by the number of students, you would always get 7. So, 7:49 is a choice because if you divide 49 by 7, you get 7. Hope this helps!!

7 0
3 years ago
Question 1<br> What is the solution of n² - 49 = 0?<br> 0 +7<br> 07<br> -7<br> O no solution
Sphinxa [80]
Hey there!

This can be written as n^{2}-(7)^{2}

This is in form of \fbox{a^{2}-b^{2}} , it can be expanded as \fbox{(a-b)(a+b)}

=> (n-7)(n+7)=0
=> n -7 = 0 or n + 7 = 0
=> n = 7 or n = -7

So option 7 , -7 are correct.

Hope this is clear :)
Have a good day:)
7 0
2 years ago
Read 2 more answers
At the farmers market, 1/3 of the farmers sell vegetables. Of those selling vegetables, 1/3 of them sell broccoli. What fraction
charle [14.2K]

Answer:

Do your school work and stop trying to find answers kid >:( you gonna fail

Step-by-step explanation:

4 0
3 years ago
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