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3 years ago

Please help thanks for the help

Mathematics

1 answer:

-BARSIC- [3]3 years ago

4 0

Answer: 8

Explanation: 2 x 2 x 2 = 8

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Jack has the following scores on exams in his math class 81, 87 93, 89, 61 81 If he wants to make his performance sound as good

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Step-by-step explanation:

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3 years ago

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A contractor is in charge of hiring people for a construction project. The number of days it would take to complete the project

sweet-ann [11.9K]

Answer:

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

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).

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

7 0

3 years ago

I need help plssss :)

Anestetic [448]

Answer is B ……………..zz

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3 years ago

What is the number 1,340,000 from standard form to scientific notation

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6 1.34*10 Just move it to the left 6 times

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3 years ago

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What is the relationship between the 6s in the number 660,472

scoundrel [369]

Answer:
The first 6 is 10 times greater than the second one

Explanation:
The given number is 660,472
This number can be rewritten as:
660,472 = 600,000 + 60,000 + 400 + 70 + 2

Now, comparing this to the place-value chart shown in the attached image, we would find that:
The first 6 represents the hundred thousands of the number
The second 6 represents the ten thousands of the number
The 0 represents the thousands of the number
The 4 represents the hundreds of the number
The 7 represents the tens of the number
The 2 represents the ones of the number

Now, we are comparing the values of the 6s:
The first 6 represents the hundred thousands of the number
The second 6 represents the ten thousands of the number
This means that:
The first 6 is 10 times greater than the second one

Hope this helps :)

5 0

4 years ago