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2 years ago

Solve by graphing.

Mathematics

1 answer:

Tatiana [17]2 years ago

6 0

Answer:

(2, 4)

General Formulas and Concepts:

<u>Algebra I</u>

Solving systems of equations by graphing

Step-by-step explanation:

Where the 2 lines intersect is the solution to the systems of equations.

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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

2 years ago

Select the correct answer.

Law Incorporation [45]

i think its b

Step-by-step explanation:

5 0

2 years ago

Please help I don't understand :(

Amiraneli [1.4K]

A, E, and F are the answers

4 0

3 years ago

Read 2 more answers

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mixer [17]

Answer:

umm km / nk

Step-by-step explanation:

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2 years ago

Read 2 more answers

The two sets of lines are parallel. If the measure of angle A is 110°, what is the measure of angle B?

Mrrafil [7]

Answer:

Sum of 2 interior angles =180

1 angle+70=180

Another angle=110

Step-by-step explanation:

5 0

2 years ago