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maksim [4K]
3 years ago
8

Which ordered pair could replace the missing value and create a

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0

Answer:

C

Step-by-step explanation:

The same x value cannot be used more than once or it isn't a function.

cupoosta [38]3 years ago
5 0

Answer:

Option D.

Step-by-step explanation:

The given relation is

{(4,5), (-1, 5), (1, 9), (-5, 3), _?}

We need to find the ordered pair that could replace the missing value and create a function.

A relation is called a function if there exist a unique output for each input.

The input values of the given function are 4, -1, 1 and -5.  

For point (1,-3), the given relation has two outputs -3 and 9.

For point (-5,4), the given relation has two outputs 4 and 3.

For point (4,3), the given relation has two outputs 3 and 5.

For point (5,-1), the given relation has exactly one output, i.e., -1.

Therefore, the correct option is D.

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Wheel I has diameter 23.4. Wheel ll has diameter 18.0. Round the diameter of each wheel to the nearest inch. About how much fart
11111nata11111 [884]

Answer:

Wheel1 = 147inches , wheel 2 = 113inches

Wheel 1 will travel 147 revolutions.

Step-by-step explanation:

Finding the circumference of both wheels

Wheel 1 = 2 pi r = 2 × 3.142 × 23.4 = 147.05 inches. To the nearest inches = 147inches

Wheel 2 = 2 pi × r = 2 × 3.142 × 18 = 113.11inches . To the nearest inches = 113inches.

I rotation = 1 revolution

In 1 rotation, wheel 1 will travel= 147 × 1 = 147 revolutions.

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3 years ago
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a carpenter can install 8 sheets of drywall in 10 minutes at this rate how long does it take to install one sheet of drywall how
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I got A. 1.25 minutes; 1.25 hours. Hope that helps!

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How to do this problem
Vera_Pavlovna [14]
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6 0
3 years ago
4-3x2 + x2 + 5x – 7)
kompoz [17]

Answer:

7x - 9

Step-by-step explanation:

1: Multiply the numbers

4 - 3 x 2 + 2x + 5x - 7

4 - 6 + 2x + 5x - 7

2: Add the numbers

4 - 6 + 2x + 5x - 7

-9 + 2x + 5x

3: Combine like terms

-9 + 2x + 5x

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4: Rearange terms

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Solution

7x - 9

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What is the equation of a vertical line passing through the point (-4, 7)?
MrRa [10]

Answer:

x=-4

Step-by-step explanation:

Since we know that the equation will be x= we will just have to take the x value of the coordinate point and that would be the x so in this case the x is -4 so the equation would be x=-4

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