3 years ago

Please Help Quick!!!

Mathematics

1 answer:

Murljashka [212]3 years ago

7 0

3 is 1.15 and its increase

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Given the function s(x) = 7x - 17, find s(-8).

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Step-by-step explanation:

substitue the -8 in for x. then multiply -8 by 7 you get -56. then subtract 17.

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What is the median of the data

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The median of the data is 3

Step-by-step explanation:

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2 years ago

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Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean valu

Sauron [17]

Answer:

(1) 0.4207

(2) 0.7799

Step-by-step explanation:

Given,

Mean value,

$\mu = 15.0$

Standard deviation,

$\sigma = 1.25$

(1) P(X ≥ 17.5) = 1 - P( X ≤ 17.5)

$= 1- P(\frac{x-\mu}{\sigma} \leq \frac{17.5-\mu}{\sigma})$

$=1-P(z\leq \frac{17.5 - 15}{1.25})$

$=1-P(z\leq \frac{2.5}{1.25})$

$=1-P(z\leq 2)$

$=1- 0.5793$ ( By using z-score table )

= 0.4207

(2) P(14 ≤ X ≤ 18) = P(X ≤ 18) - P(X ≤ 14)

$=P(z\leq \frac{18 - 15}{1.25}) - P(z\leq \frac{14 - 15}{1.25})$

$=P(z\leq \frac{3}{1.25}) - P(z\leq -\frac{1}{1.25})$

$=P(z\leq 2.4) - P(z\leq -0.8)$

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= 0.7799

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3 years ago

Which of the following appear in the diagram below?

mote1985 [20]

Answer:

Option B ; C ; D

Option B i.e YX

Option C i.e YW

Option D i.e <XYZ

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3 years ago

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mezya [45]

Answer:

the bowling alley

Step-by-step explanation:

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