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Evgesh-ka [11]
3 years ago
11

Answer these questions pls

Mathematics
1 answer:
kari74 [83]3 years ago
5 0
Lmk if you need more help :)

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What is the slope of the line represented by the equation?<br> –2x + y = –1
Harrizon [31]
Isolate the y to one side so we get: y = 2x - 1
The slope of the line is 2.
8 0
2 years ago
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Sally is training for a marathon. She goes for a run every Tuesday and
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Speed = distance / time

Tuesday: speed = 2.4km / 18 minutes = 0.13 km per minute

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3 years ago
Work out m and c for the line: 2 x + 3 y + 4 = 0
4vir4ik [10]

Answer:

18marrsm is waiting for your help.

Add your answer and earn points.

Answer

1

jimrgrant1

Genius

30.5K answers

219.5M people helped

Answer:

m = - , c = -

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

2x + 3y + 4 = 0 ( subtract 2x + 4 from both sides )

3y = - 2x - 4 ( divide all terms by 3 )

y = - x - ← in slope- intercept form

with slope m = - and y- intercept c = -

8 0
2 years ago
A rectangle is 12m longer than it is wide. Its perimeter is 68m. Write and equation and show steps to find its length and width.
Galina-37 [17]

Answer:

  length: 23 m; width: 11 m.

Step-by-step explanation:

The perimeter of a rectangle is twice the sum of its length and width, so that sum is 34 m. Then you can write two equations in length and width:

  l + w = 34

  l - w = 12

Adding these together gives you ...

  2l = 46

  l = 23 . . . . . . divide by 2

Then the width is

  w = 23 -12 = 11

The length and width are 23 m and 11 m, respectively.

4 0
3 years ago
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