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Serggg [28]
3 years ago
11

I need help solving this please

Mathematics
1 answer:
Kruka [31]3 years ago
7 0
I really hope this helps this is what my teacher said to do in the type of problem

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Solve for x. 2x = 15 + x x = -15 x = 15 x = -15/2 x = 15/2
Andrew [12]

Answer:

x=15

Step-by-step explanation:

2x=15+x

2x-x=15

x=15

5 0
3 years ago
Could you help me quick!?
anastassius [24]

Answer:

1: 5                       2: -70.98  3: C   4:A.     5:A

Step-by-step explanation:

4 0
3 years ago
What is the equation of the line with (1,0) and (6,6)?
ch4aika [34]

Answer:

  6x -5y = 6

Step-by-step explanation:

You can use the 2-point form of the equation of a line to find it.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (6-0)/(6-1)(x -1) +0

  y = 6/5(x -1) . . . . . . point-slope form

  y = (6/5)x -6/5 . . . . slope-intercept form

  5y = 6x -6

  6x -5y = 6 . . . . . . . standard form

7 0
3 years ago
Given a line with equation 3x +7y = 21. write an equation in point-slope form of the line parallel to the given line through the
guapka [62]

Answer:

The equation of the line is y = -3/7x - 23/7

Step-by-step explanation:

To start we need to find the slope of the original line. We can do this by solving the equation for y.

3x + 7y = 21

7y = -3x + 21

y = -3/7x + 3

Now we know the slope to be -3/7. Since parallel lines have same slopes, we know the new line also will have a -3/7 slope. We can now use that along with the given point in point-slope form to find the equation.

y - y1 = m(x - x1)

y + 5 = -3/7(x - 4)

y + 5 = -3/7x + 12/7

y = -3/7x - 23/7

8 0
2 years ago
PLEASE HELP I NEED THIS NOW. 20 POINTS & ILL MARK BRAINLIEST
makkiz [27]

9514 1404 393

Answer:

  25°, 65°

Step-by-step explanation:

Essentially, you want two angles that have a sum of 90 degrees and a difference of 40 degrees.

The smaller is half the sum less half the difference: 90/2 -40/2 = 45 -20 = 25.

The larger is half the sum plus half the difference: 90/2 +40/2 = 45 +20 = 65.

Of course, once you know either value, you can add or subtract the difference (as needed) to find the other value.

The two angles are 25° and 65°.

_____

<em>Additional comment</em>

There are many ways you can arrive at this conclusion. Algebraically,  we can write ...

  a+b = sum

  a-b = difference

Adding these two equations gives ...

  2a = sum +difference

Multiplying by 1/2, we get ...

  a = 1/2sum +1/2difference . . . . . . as described above

Subtracting the difference gives ...

  b = a -difference = 1/2sum -1/2difference

5 0
2 years ago
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