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german
3 years ago
13

Write an equation parallel to y=2x+4 that passes through the point (-2,4)

Mathematics
1 answer:
zysi [14]3 years ago
4 0

Answer:

<u>Answer</u><u>:</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>2</u><u>x</u><u> </u><u>+</u><u> </u><u>8</u>

Step-by-step explanation:

• General equation of a line:

\hookrightarrow \: { \rm{y = mx + b}}

  • m is slope / gradient
  • b is y-intercept.

[ for parallel lines, slopes are the same ]

• m is 2

{ \rm{y = 2x + b}}

for point (-2, 4)

{ \rm{4 = (2 \times  - 2) + b}} \\  \\ { \rm{4 =  - 4 + b}} \\  \\ { \rm{b = 8}}

• therefore, equation is:

{ \boxed{ \rm{y = 2x + 8}}}

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Given that a= -1, b= 2 and c= -3, find the value of<br> a+b+c
Angelina_Jolie [31]

Answer:

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Step-by-step explanation:

-1+2-3

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3 years ago
Read 2 more answers
Solve for these letters<br> X<br> Y<br> Z
tester [92]
Z = 140
X = 40
Y = 40
Explanation:
Z and the angle given (140 degrees) are vertical angles, and are therefore congruent
We know that x and y are vertical angles, so they are also congruent to each other
You know that together, the angles have to add up to 360
140 + 140 + x + y = 360
Another way of putting it:
360-280 = 80
Now, we have to divide by two since we need to find x AND y
80/2 = 40
Therefore, your answers for x and y are 40
To double check, you can add up the angles and see if they equal 360
140 + 140 + 40 + 40
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3 years ago
For any real number r, which of the following must be greater than r?
adelina 88 [10]
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4 years ago
A system of two linear equations is graphed on a coordinate plane. If the system of equations has no solutions
scoray [572]

Answer:

see explanation

Step-by-step explanation:

The solution to the equations is at the point of intersection of the 2 lines.

If the system has no solution, this indicates the lines do not intersect and therefore must be parallel.

5 0
3 years ago
If A is between X and Y, and XA = 3x, AY = 2x + 5, and XY = 60, find.<br> the value of 'X'.
andreyandreev [35.5K]

Answer:

x = 13

Step-by-step explanation:

3x + 2x + 5 = 60

5x + 5 = 60

5x = 65

x = 13

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