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beks73 [17]
3 years ago
9

Write an equation of a line whose graph is parallel to the graph of y = 3x – 10.

Mathematics
2 answers:
Aleksandr [31]3 years ago
6 0

Answer:

y = -3x + 4

Step-by-step explanation:


Nataly [62]3 years ago
4 0

Answer:

y= -3x +4

Step-by-step explanation:

If the lines are parallel, the slopes are the same

so if a line is parallel to y =3x-10, the slope is also m=3

using y= mx+b

y = 3x+b

we can pick any b but -10 because that would make it the same line


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Which statement describes the effect on the parabola y = x2 - 1 when it is changed to y = x2 +6?
zlopas [31]

Initial:

y=x^2-1

Changed to:

y=x^2+6

As you can see the change is: from -1 to +6.

In a equation as follow:

y=x^2+k

The k is a transformation that moves up or down the graph of the function. If k is changed to a less value the graph moves down, If k is changed to a greather number the graph moves up.

In this case the graph moves up

To find the number of units the graph moves find the difference betwwen values of k:

6-(-1)=7

Then, the parabola y=x²-1 is moved 7 units up when it is changed to y=x²+6

4 0
1 year ago
The perimeter of the triangle is 40 units.Which of the following equations could be used to find the value of x?
Artyom0805 [142]

Answer:

13x + 112 = 320.

Step-by-step explanation:

The perimeter is the sum of the 3 sides:

1/2 x + 3/8 x + 11 + 3/4 x + 3 = 40

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Multiply through by 8 to remove the fractions:

4x + 3x + 6x  + 14 = 40

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3 years ago
The base of a triangle is seven less than twice its height. If the area of the triangle is 100cm^2 find the length of the base
Alexeev081 [22]
2x-7 * x
----------- =. 100^2= 10000 
     2


2x^2-7/2= x^2-7/2

x^2-7/2=10000

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7 0
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Answer:

19. parallel

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8 0
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Answer:

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Step-by-step explanation:

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