4 years ago

Use the system of equations to answer the questions.

Mathematics

1 answer:

kap26 [50]4 years ago

4 0

The value of x is 16/7

the value of y is 8/7

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he production of pipes has a mean diameter of 3.25 inches and a standard deviation of .15 inches. The shape of the distribution

o-na [289]

Answer:

The probability that a randomly chosen part has diameter of 3.5 inches or more is 0.9525

Step-by-step explanation:

$Mean = \mu = 3.25 inches$

Standard deviation = $\sigma = 0.15 inches$

We are supposed to determine the probability that a randomly chosen part has diameter of 3.5 inches or more

$P(Z \geq 3.5)=1-P(z$

Refer the z table for p value

$P(Z \geq 3.5)=1-0.0475\\P(Z \geq 3.5)=0.9525$

Hence the probability that a randomly chosen part has diameter of 3.5 inches or more is 0.9525

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3 years ago

A survey was done that asked students to indicate whether they enjoy reading or playing video games.

Xelga [282]

8:1 because it's just and 8 to a 1

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3 years ago

Which of the following mixtures of paint could be used as the missing values in the table ? Choose 2 answers

Kazeer [188]

Answer:

weres the answer how am i going to answer this

Step-by-step explanation:

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3 years ago

Solve the system by elimination 2 + 5 = −24 3 − 5 = 14

belka [17]

Answer:

7=24

-2 = 14

Step-by-step explanation:

(2+5)= 7=24

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3 years ago

Simplify the expression (9 + 2i)(9 − 2i). 81 − 18i 81 + 18i 77 85

Ymorist [56]

Answer:

=85

Step-by-step explanation:

I'm pretty sure I'm correct

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3 years ago