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2 years ago

What is the coefficient of the term 9y, in the expression 5+9y?

Mathematics

2 answers:

amm18122 years ago

7 0

A coefficient is a number beside a variable. So they coefficient in 9y, is simply 9.

anzhelika [568]2 years ago

3 0

A coefficient is the number next to the variable. Their is only one variable: y
So the number next to y is 9
The answer is that 9 is the coefficient.

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Jackie is painting rocks. She paints 7 rocks blue. She paints fewer than 3 rocks red. How many rocks does jackie paint in all?

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Step-by-step explanation:

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2 years ago

John bought a new home in 2002. The value of the home increases 4% each year. If the price of the house is $375,000 in 2020, how

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3 years ago

How to solve x/8>3 how

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2 years ago

At 107°F, a certain insect chirps at a rate of 92 times per minute, and at 113°F, they chirp 116 times per minute. Write an equa

dsp73

Answer:

The equation in slope-intercept form that represents the situation is y=0.25*x + 84 where y represents the temperature in ° F and x the number of chirps per minute.

Step-by-step explanation:

A linear equation can be expressed in the form y=m*x + b. In this equation, x and y are coordinates of a point, m is the slope and b is the y coordinate of the y-intercept. Since this equation describes a line in terms of its slope and its y-intercept, this equation is said to be in its slope-intercept form.

When there are two points of a line (x1, y1) and (x2, y2), the slope is determined by the quotient between the difference of the ordinate of these two points and the difference of the abscissa of the same points. This is:

$m=\frac{y2-y1}{x2-x1}$

Having a point on the line, you can substitute the values of m, x and y in the equation y = mx + b and thus find b.

In this case:

(x1, y1): (92, 107)
(x2, y2): (116, 113)

So:

$m=\frac{113-107}{116-92}$

m= 0.25

substituting the values of m, x1 and y1 in the equation y = mx + b you have:

107= 0.25*92 + b

107 - 0.25*92= b

84=b

The equation in slope-intercept form that represents the situation is y=0.25*x + 84 where y represents the temperature in ° F and x the number of chirps per minute.

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2 years ago