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ira [324]
1 year ago
10

Nine less then the quotient of a number and eight

Mathematics
1 answer:
Mariana [72]1 year ago
6 0

"nine less than" means we're subtracting 9: -9

"The quotient" means division. "Of a number and 8" Usually the numerator is listed first: x/8

that gives us

\frac{x}{8}-9

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The diameter of a circle is 8 miles.What is the circle’s radius?
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because radius is 2 times of circle

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Which of the following expressions results in a positive number?
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-30(-8)

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Find X pleaseee :).
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22

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Then add the similar things together

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3 years ago
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The table shows a company’s profit based on the number of pounds of food produced.
Bingel [31]

Answer:

$5,300

Step-by-step explanation:

Formulae used,

a=\dfrac{(\sum x^2y\sum xx)-(\sum xy\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

b=\dfrac{(\sum xy\sum x^2x^2)-(\sum x^2y\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

c=\dfrac{\sum y}{n}-b\frac{\sum x}{n}-a\frac{\sum x^2}{n}

Where,

\sum xx=\sum x^2-\dfrac{(\sum x)^2}{n}

\sum xy=\sum xy-\dfrac{\sum x\sum y}{n}

\sum xx^2=\sum x^3-\dfrac{\sum x\sum x^2}{n}

\sum x^2y=\sum x^2y-\dfrac{\sum x^2\sum y}{n}

\sum x^2x^2=\sum x^4-\dfrac{(\sum x^2)^2}{n}

Putting the values from the table, we get the best fit line as,

y= -0.0817x^2 + 102.24x - 20421

As we want to calculate the profit at 350 pounds, so putting x=350, we get

y= -0.0817(350)^2 + 102.24(350) - 20421=\$5354.75


5 0
4 years ago
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