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3 years ago

Plz help.. plzz if you can

Mathematics

1 answer:

Mazyrski [523]3 years ago

5 0

Answer:

C is a function

Step-by-step explanation:

We can use the vertical line test. If a vertical straight lines passes through the graph more than one, it is not a function

A and B are not functions

C is a function

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15ft per sec would be the unit rate.

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3 years ago

Read 2 more answers

Solve the simultaneous equation : 4x+2y=17 3x+2y=14

enot [183]

Answer:

(x, y) = (3, 5/2)

Step-by-step explanation:

$4x+2y=17\\3x+2y=14$

I'll solve by elimination here. If you invert the second equation and add it to the first, 2y and -2y would cancel out.

$4x+2y=17\\-(3x+2y=14)$

Now just add those from top to bottom.

$\rightarrow (4x-3x)+(2y-2y)=17-14\\\rightarrow x=3$

Nothing else needs to be done for that part. Now, you can pick either equation and use the known value of x to solve for y.

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(x, y) = (3, 5/2)

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2 years ago

The angles below are supplementary. What is the value of x?

Natalka [10]

Answer:

12 is the value of x.

Step-by-step explanation:

Supplementary angles: Two angles that sum up to 180°

=> 6x + 48 + 60 = 180
=> 6x + 108 = 180
=> 6x = 180 - 108
=> 6x = 72
=> x = 72/6
=> x = 12

Hence, 12 is the value of x.

$BrainiacUser1357$

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2 years ago

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Answer:

opening the bracket, the expression becomes

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