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Rama09 [41]
3 years ago
15

If y = 4x – 1, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

Mathematics
1 answer:
Helga [31]3 years ago
6 0
Hello!

To do this you will pick an x value, multiply it by the slope and add the y- intercept. Let's try 0.

y=4(0)-1
y=-1

So here, an ordered pair could be (0,-1)

We can try this again for different x-values.

y=4(1)-1
y=3

This gives us the ordered pair  (1,3)

y=4(100)-1
y=399

This would give us the ordered pair (100,399)

I hope this helps!
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Write an equation of a line that passes through (-12, -14) with slope 6.
damaskus [11]

The slope intercept form of a line is y = mx + b

  • m = slope
  • b = y-intercept

Plug in the slope, 6, into m.

Rewrite the equation;

  • y = 6x + b
  • We need to find b, your y-intercept, to finish this equation.

Plug in your point coordinate, (x, y) ⇒ (-12, -14) into the equation.

  • -14 = 6(-12) + b

Solve for b to find the y-intercept.

  • -14 = -72 + b
  • 58 = b

Your new equation (your answer) is<em> </em>y = 6x + 58.

6 0
3 years ago
At pizza hut, 9% of the pizzas made last night had extra cheese. if 27 pizzas has extra cheese, how many pizzas in all were made
True [87]
Answer: 300

You need to change 9% into a decimal so it would be 0.09

Then divide 27 ÷ 0.09 = 300

So 9% of 300 is 27
3 0
2 years ago
Does 2/3 = 8/12 and would you have to times them both by 4 and 3 to get the answer?
Serjik [45]

Answer:

2/3 =8/12

Step-by-step explanation:

2/3

Multiply the top and bottom by 4 to get a denominator of 12

2/3 *4/4

8/12

2/3 =8/12

6 0
3 years ago
A set of silverware contains 30 pieces. The set contains only spoons, forks, and knives. It contains the same number of spoons a
Tema [17]
Let the number of knife be x.
Knife = x
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forks = 2x

Total = 30
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Knife = x = 6
forks = 2x = 12
Spoon = 2x = 12

Answer: There are 12 forks.

5 0
3 years ago
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The price of a television was reduced from 250 to 200 .by what percentage was the price of the television reduced
Tju [1.3M]

Answer:

20 percent.

Step-by-step explanation:

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