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2 years ago

PLEASEEEE HELPPPP IF CORRECT I WILL MARK YOU BRAINLIEST

Mathematics

1 answer:

Tems11 [23]2 years ago

5 0

810in2
REMEMBER
Area of triangle is (base times height divided by 2)
Area on rectangle is length times height

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sweet-ann [11.9K]

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$\text{Domain of x}=[1,\infty), x \in Z^+$

Step-by-step explanation:

Given the function: $f(x)=\dfrac{280}{x},$ where:$

f(x) =number of days it would take to complete the project

x =number of full-time workers.

$\text{When x=0, }f(x)=\dfrac{280}{0}=$Undetermined\\\text{When x=1, }f(x)=\dfrac{280}{1}=$280 days\\\text{When x=280, }f(x)=\dfrac{280}{280}=$1 day\\\text{When x=560, }f(x)=\dfrac{280}{560}=$0.5 days$

The domain of a function is the complete set of possible values of the independent variable.

In this case, the independent variable is x, the number of full-time workers. We have shown that x cannot be zero as there must be at least a worker on ground.

Therefore, an appropriate domain of the function f(x) is the set of positive integers (from 1 to infinity).

$\text{Domain of x}=[1,\infty), x \in Z^+$

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2 years ago

The Office of Student Services at a large western state university maintains information on the study habits of its full-time st

Rudiy27

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Given : Sample size : n = 144

Standard deviation : $\sigma=6\text{ hours}$