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dlinn [17]
3 years ago
7

Write the slope-intercept form of the equation of the line described.

Mathematics
2 answers:
Romashka [77]3 years ago
6 0

Answer:

<h3>(4-4 = 0) - (4x5 =20) xDDddd</h3>
Sholpan [36]3 years ago
5 0

Answer:

y =  \frac{1}{4} x - 3

Step-by-step explanation:

<u>Slope-intercept form:</u>

y= mx +c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

-4m= -1

m= -1 ÷(-4)

m= ¼

Substitute m= ¼ into the equation:

y= ¼x +c

To find the value of c, substitute a pair of coordinates.

y= ¼x +c

When x= -4, y= -4,

-4= ¼( -4) +c

-4= -1 +c

c= -4 +1

c= -3

Thus, the equation of the line is y= ¼x -3.

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A store has a 20% sale on everything. An item originally cost 350 AED. What is the sale price? Show your work of how you calcula
slega [8]

Answer:

Step-by-step explanation:

A store has a 20% sale on everything.

So since you are saving 20%, you will only be paying 80% of the original price.

To find the sale price use the following formula:

Sale price = 80% x original price

They told us the original price = 350 AED

This means:

Sale price = 80% x 350

I think it would be easiest to change 80% into a fraction if you don't have a calculator :)

80% = \frac{80}{100}  = \frac{4}{5}

This means that the

Sale Price= \frac{4}{5} x 350 = 280 AED

6 0
3 years ago
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I Need 1,2,3,4,5,6 Help
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8 0
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- what is the circumference of a circle with radius of 14.6 cm? (Round to the nearest tenth.)
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Correct anawer:  B



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The ratio is 5:3 there is 20 girls and 16 boys if three girls are absent what would the ratio be​
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Write an equivalent expression for 88 +16x +8 . If x=4,is the solution to both expressions the same.
Firlakuza [10]
You can find an equivalent expression for this by combining like terms.
The terms are 88, 16x, and 8.
The like terms are 88 and 8.
To combine them, add them together.
88 + 8 = 96
The equivalent expression would be 16x + 96.
This means 16x + 96 is the same as <span>88 + 16x + 8.

Since they are equivalent, that means they are equal, or the same.
So no matter what x is, they will both be equal to the same thing, so their solutions will be the same.

Answers:
Equivalent Expression: 16x + 96
Yes, both expressions will have the same solutions if x = 4.

Hope this helps!</span>
5 0
3 years ago
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