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erica [24]
2 years ago
5

Which graph represents the inequality X > 15?

Mathematics
1 answer:
Vlad [161]2 years ago
3 0

this one because x has to be bigger than 15.

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Describe and correct the error the student made when writing the equation of the line that passes through (-8,5)
pshichka [43]

Option D (The student should have used  as the slope of the perpendicular line.) is correct.

Step-by-step explanation:

We need to identify the error that the student made in finding equation of the line that passes through (-8,5)  and is perpendicular to y = 4x + 2

The slope of the required line would me -1/m because both lines are perpendicular.

So, slope of new line will be: -1/4

because the equation of slope-intercept form is: y=mx+b where m is the slope

Now, for finding equation the student used point slope form i.e y-y_1=m(x-x_1)

where y_1 and x_1 are the points and m is the slope.

Putting values:

x_1=-8, y_1=5 and m=-1/4

y-5=-\frac{1}{4}(x-(-8))\\y-5=-\frac{1}{4}(x+8)\\y-5=-\frac{1x}{4}-2\\y=-\frac{1x}{4}-2+5\\y=-\frac{1x}{4}+3

This is the correct solution.

The student made error by using the wrong slope he used 2 instead of -1/4

in the step y-5 = 2(x-(-8))

So, Option D (The student should have used  as the slope of the perpendicular line.) is correct.

Keywords: Equation of line using Slope  

Learn more about Equation of line using Slope at:

  • brainly.com/question/4819659
  • brainly.com/question/4097107
  • brainly.com/question/1979240

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
Please can someone do itpleaseeeeeeee
alukav5142 [94]

Answer:

a=250

b=10

done...

3 0
2 years ago
What is 424.12 rounded to the nearest 10th<br> ASAP
evablogger [386]
424.1

the nearest 10th refers to the first decimal place therefore there would only need to be 1 decimal place. and you don’t the round the 1 up when dropping the 2 because the 2 is less than five.
4 0
3 years ago
I can’t breathe out my nose rn
anastassius [24]

Answer:

breath out your mouth then

Step-by-step explanation:

5 0
3 years ago
Need help asap I’m stuck
qwelly [4]

Answer:

None

since the slopes are equal, it's either infinite or none.

since the ratios of Ys and Xs is 1, 18/16 should be 1 to say we have infinite answers. since it's not, the is no solution at all.

3 0
2 years ago
Read 2 more answers
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