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3 years ago

A computer that cost 1099 last year costs 999 this year. What is the percent of change in price rounded to the nearest tenth?

Mathematics

2 answers:

Damm [24]3 years ago

8 0

Answer:

19%

Step-by-step explanation:

<h2><em>I Think </em></h2>

PtichkaEL [24]3 years ago

6 0

Answer:

The percent of change in price rounded to the nearest tenth :

($999/1099$) x 100 = 90.9 %

So the price of computers decreased by 9.10 % from the previous year

Step-by-step explanation:

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Find the slope of the line passing through (-4,6) and (10,8)

muminat

Answer:

1/7

Step-by-step explanation:

In order to determine the slope, we must find the change in y over the change in x:

$\frac{y_{2}-y_{1} }{x_{2}-x_{1} } = \frac{8-6}{10--4}$ = 2/14= 1/7.

Therefore, the slope between these two points is 1/7.

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2 years ago

- 2y + 3 = - 4y<br> The solution set is what???

lianna [129]

Answer:

Y=-3/2

Step-by-step explanation:

-2y+3=-4y

Move constant to the right by adding its opposite to both sides

-2y+3-3=-4y-3

Eliminate the opposites

-2y=-4y-3

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-2y+4y

collect the like terms

(-2+4)y

Calculate the sum

2y=-3

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2y÷2=-3÷2

Any expression divided by itself equal 1

y=-3÷2

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2 years ago

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3 years ago

Write the equation of a line perpendicular to y=0.25x-7 and passes through the point -6,8

horrorfan [7]

the equation of a line perpendicular to $y=0.25x-7$ and passes through the point (-6,8) is $y=-4x+30$

Step-by-step explanation:

We need to write equation of line perpendicular to $y=0.25x-7$ and passes through the point (-6,8)

Since the line $y=0.25x-7$ is in slope-inetercept form $y=mx+b$

the slope of line m = 0.25

As, the new line is perpendicular to the given line so, slopes of lines that are perpendicular are: slope = -1/slope1

So, slope will be -1/0.25 = -4

Now, finding y-intercept.

$y=mx+b8=4(-6)+b\\8=-24+b\\b=8+24\\b=30$

So, value of y-intercept b = 30

Now the equation of the required line having slope m= -4 and b =30 will be:

$y=mx+b\\y=-4x+30$

So, the equation of a line perpendicular to $y=0.25x-7$ and passes through the point (-6,8) is $y=-4x+30$

Keywords: Equation of line, slope-intercept form

Learn more about slope-intercept form at:

#learnwithBrainly

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3 years ago

A computer that cost 1099 last year costs 999 this year. ​ ​What is the percent of change in price rounded to the nearest tenth?

A computer that cost 1099 last year costs 999 this year. What is the percent of change in price rounded to the nearest tenth?