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sweet [91]
2 years ago
10

The system equations 2y=14-2x and y=-x+7

Mathematics
1 answer:
Artemon [7]2 years ago
6 0

Answer:

Hey there!

When we are given what one of our variables is equal to, we can easily solve the system of equations via substitution, which is where we take the variable value, plug it into the other equation, and solve for the other variable.

In this case, we just take our value for y and plug it in for the value for y in the first equation and solve for x.

2(-x+7)=14-2x

-2x+14=14-2x

-2x=-2x

x=x

As we can see, there are infinitely many solutions to this first equation, which means that there is no possible way to solve for y because x has infinitely many solutions, so there are infinitely many solutions to this system of equations, because they are both the same line.

I hope this helps! :D

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Step-by-step explanation:

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Read 2 more answers
ted popped a baseball straight up with an initial velocity of 48 ft/s. The height, h, in feet, of the ball above the ground is m
creativ13 [48]

Answer:

3 seconds

Step-by-step explanation:

We have to give us the following function h (t) = - 16 * t ^ 2 + 48 * t + 3

Now, they tell us that the height is 3 feet, therefore replacing that value we have left:

3 = -16 * t ^ 2 + 48 * t + 3, operating cancels 3. And it would be:

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Removing common factor -16 * t, it would be:

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We have two solutions:

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4 0
3 years ago
If f(x) = 2x − x² + 3, find f(x − 4).
belka [17]

Answer:

−x^2+10x−21

Step-by-step explanation:

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7 0
2 years ago
A hose fills a hot tub at a rate of 3.01 gallons per minute. How many hours will it take to fill a 334 ​gallon hot​ tub?
irina [24]

Answer: I dont have the full answer, but this is what i could figure out.

Step-by-step explanation:

3.01 gallon per minute

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I do not know what to do after this, I wish I could help more, but I hope someone or yourself can figure out the rest. Good luck!

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