Answer: With a variable. A variable is a letter you use in an equation , like this: 7+x=14, X is a classic one but you can use any letter u please! (In my school at least.)
Answer:
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Answer:
The correct option is;
The line of best fit is not reasonable because it has more points below it than above it.
Step-by-step explanation:
Here we note that there are a total of seven points in the scatter plot and there are five of the points below the line of best fit and just two above the line.
Of the five points below the line of best fit, four are just about touching the underside of the line while one of the two points above the line is just about touching the line.
The proper positioning of the line can be reviewed, therefore, with a line drawn through the four points presently touching the underside of the line of best fit.
A trapezoid<span> is a quadrilateral with one pair of parallel sides, and the </span>formula for<span> the area of a </span>trapezoid<span> is 1/2 times (base 1 + base 2) times height</span>
The per hour rate of first mechanic is $95 and per hour rate of $75.
Step-by-step explanation:
Let,
First mechanic's rate = x
Second mechanic's rate = y
10 hours charges of first mechanic = 10x
5 hour charges of second mechanic = 5y
According to given statement;
10x+5y=1325 Eqn 1
x+y=170 Eqn 2
Multiplying Eqn 2 by 10

Subtracting Eqn 2 from Eqn 3

Dividing both sides by 5

Putting y=75 in Eqn 2

The per hour rate of first mechanic is $95 and per hour rate of $75.
Keywords: linear equation, elimination method
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