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julsineya [31]
4 years ago
10

Find an equation of the line perpendicular to the graph.

Mathematics
1 answer:
topjm [15]4 years ago
8 0

Answer:

The equation of the line would be y = -1/4x + 2

Step-by-step explanation:

In order to solve this, start by finding the slope of the original line. You can do this by solving for y.

28x - 7y = 9

-7y = -28x + 9

y = 4x - 9/7

Now that we have a slope of 4, we know that the perpendicular slope is -1/4 (since perpendicular lines have opposite and reciprocal slopes). We can use this and the new point in point-slope form to find the equation.

y - y1 = m(x - x1)

y - 1 = -1/4(x - 4)

y - 1 = 1/4x + 1

y = -1/4x + 2



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Write the linear equation in slope intercept form.<br><br>4x+y=1​
geniusboy [140]

Answer: y=-4x+1

Step-by-step explanation:

The slope-intercept form of a line is y=mx+b. Therefore, y needs to be on one side of the equation, and the x term and constant need to be on the other. Rearrange the equation to make this true:

4x+y=1

(4x+y)-4x=1-4x

y=1-4x

y=-4x+1

8 0
3 years ago
brine's kitchen has an area of 81 square feet. the kitchen is 9 times as many square feet as brine's pantry. if the pantry is 3
maks197457 [2]
So 81/9=9 so area of pantry is 9

3 times x=9
3x=9
divide both sides by 3
x=3

legnth/width=3
8 0
3 years ago
If there are friends who read the book "Killing a Mockingbird", can they give information about its content? But please do not h
crimeas [40]

Answer:

There is really no substitute for reading this story. It's a classic, and gives some real insights into a culture where racial prejudice flourished, and how Scout's father stood against it.

Step-by-step explanation:

If you are reading, and have questions about what's going on, or what things mean, please ask.

4 0
3 years ago
Explain how you can compare the cost of two items that are different sizes.
Maru [420]

Answer:

Compare the cost for the each (smallest) unit.

Step-by-step explanation:

You can calculate the cost per unit

For example :

20 ounces of water of brand A cost 1.50

30 ounces of water of brand A cost 2

20 ounces of water cost 1.50/20 = 0.075 dollar per ounce

30 ounces of water cost 2/30 = 0.0677 dollar per ounce

4 0
3 years ago
Read 2 more answers
How do you make 22 percent into fraction in simplest form
exis [7]

22% in fraction form is 22/100 or 0.22, but it isn't the simplest form.

To put 22/100 into a simplest form, you must divide the numerator <em>and </em>the denominator by a common multiple.

22/100 or 0.22 is divisible by 2. Therefore, you can divide 22/100 by 2.

Equation:

22/100 divided by 2/2 =  11/50

Hence your answer, 11/50

Hope this helps!

5 0
3 years ago
Read 2 more answers
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