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vodka [1.7K]
3 years ago
5

Write the equation of a line through (3,1), parallel to y = x + 1

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

The answer is C ( y= 2/3x - 1 )

Step-by-step explanation:

Equation Formula : y - y1 = m ( x - x1)

y - 1 = 2/3 ( x - 3 )

y - 1 = 2/3x - 2

y = 2/3x - 2 + 1

y = 2/3x - 1

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The circumference of a circle is 3π in.
11111nata11111 [884]

Answer:

  2.25π in²

Step-by-step explanation:

The area can be found from the circumference using the formula ...

  A = C²/(4π)

Putting in the given dimension, you have ...

  A = (3π)²/(4π) = (9/4)π = 2.25 π . . . . in²

6 0
3 years ago
A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?
lara [203]

Answer:

y=7x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

we have the points (2,14) and (4,28)

Find out the constant of proportionality k

k=y/x                      

For (2,14) ----> k=14/2=7

For (4,28) ----> k=28/4=7

so                              

the value of k=7            

therefore                                          

The equation  is                                                    

y=7x                

3 0
3 years ago
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What is the surface area means​
PIT_PIT [208]
Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape.
3 0
3 years ago
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Prakash bought a new car at the dealership for $27,000. it is estimated that the value of the car will decrease 7% each year. wh
Dennis_Churaev [7]

The exponential function models the value v of the car after t years is V = 27000 * (0.93)^t

<h3>How to determine the exponential model?</h3>

The given parameters are:

Initial value, a = $27,000

Depreciation rate, r = 7%

The value of the car is then calculated as:

V = a * (1 -r)^t

Substitute known values

V = 27000 * (1 - 7%)^t

Evaluate the difference

V = 27000 * (0.93)^t

Hence, the exponential function models the value v of the car after t years is V = 27000 * (0.93)^t

Read more about exponential function at:

brainly.com/question/11464095

#SPJ1

6 0
2 years ago
By using the grouping method to factor this polynomial completely <img src="https://tex.z-dn.net/?f=3x%5E3%2B12%5E2%2B2x%2B8" id
Schach [20]

Answer:3x^2+2x+152

Step-by-step explanation:

6 0
3 years ago
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