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musickatia [10]
3 years ago
13

: Write the equation of the line in Point-Slope Form given the information below. Slope=-2 Point=(1,-1)

Mathematics
1 answer:
natulia [17]3 years ago
6 0

Answer: y+1=-2(x-1)

Step-by-step explanation:

The point-slope formula is y-y_{1}=m(x-x_{1}). Since we know the coordinate and slope, we can directly plug them in.

y-(-1)=-2(x-1)

y+1=-2(x-1)

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Find the missing value of the direct variation (2,5) (5,y)
Karolina [17]

Answer:

The missing value y=12.5 and we have (5,12.5)

Step-by-step explanation:

The formula used for direct variation is:

y\: \alpha \:x\\y=kx

We need to find missing value (2,5)(5,y)

First we will find k, and then y

We have x=2, y=5

Find k:

y=kx\\5=k(2)\\k=\frac{5}{2}\\k=2.5

Now, we cam find missing value in (5,y)

We have x=5, k=2.5 and y=?

y=kx\\y=2.5(5)\\y=12.5

So, the missing value y=12.5 and we have (5,12.5)

7 0
3 years ago
Suppose you have three consecutive integers.The greatest of the three integers is twice as great as the sum of the first two.Wha
vredina [299]

Answer:

0, 1, 2

Step-by-step explanation:

So, since there are three consecutive integers, you have the equations

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The greatest of the three integers= x+2

Finish setting up your equation;

2(x+x+1)=x+2

Combine like terms;

2(2x+1)=x+2

Distribute;

4x+2=x+2

3x=0

x=0

x+1=1

x+2=2

Hope this helps:) Have a good day!

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(: IF U HELP ME U WILL GET POINTS, A STAR AND A THANK YOU AND U WILL ALSO GET BRAINLIST! (MATH) :)
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Answer:    

Step-by-step explanation:

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Step-by-step explanation:

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