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nekit [7.7K]
2 years ago
13

Can you guys help with these questions!!

Mathematics
1 answer:
velikii [3]2 years ago
3 0

Answer:

You line up the letters

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1 of 3
Nonamiya [84]

Answer:

y = -1/2x + 3.5

Step-by-step explanation:

The gradients of perpendicular lines multiply to make -1. The gradient of the line given is 2, so 2 multiplied by something gives us -1. 2 × -1/2 = -1. The gradient of the perpendicular line is -1/2

y = -1/2x + c

Now we can substitute x = 1 and y = 3 into the equation:

  • 3 = -1/2(1) + c
  • 3 = -1/2 + c
  • c = 3 + 1/2
  • c = 3 1/2 or 3.5 or 7/2

The equation of the line is y = -1/2x + 3.5

Hope this helps!

3 0
3 years ago
What is the rule for Aaliyah’s machine? Try to write the rule as an equation.
Eva8 [605]

Answer:

  f(x) = 2x +1

Step-by-step explanation:

Apparently the ordered pairs are ...

  (x, f(x)) = (1, 3), (2, 5), (3, 7), (4, 9)

We note that as x increases by 1, the value of f(x) increases by 2. The difference between f(x) and 2x is 3-2·1 = 1, so we have ...

  f(x) -2x = 1

  f(x) = 2x +1 . . . . . . add 2x

4 0
3 years ago
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