3 years ago

PLEASE HELP ASAP!! What are the solutions of the system?

Mathematics

1 answer:

Dima020 [189]3 years ago

8 0

Answer:

D. (-1, 0) and (0, -6)

Step-by-step explanation:

The system of equations:

y = -6x - 6

y = x² - 5x - 6

We equate the two equations;

-6x - 6 = x² - 5x - 6

x² + x + 0 = 0

x² + x = 0

x(x + 1) = 0

So, x = 0 or -1

When x = 0,

Then y = -6(0) - 6 = -6

When x = -1,

Then y = -6(-1) - 6 = 6 - 6 = 0

So the answer is: (0, -6) and (-1, 0)

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Use the scenario and elimination by multiplication to answer the question.

SVEN [57.7K]

Answer:
C
Explanation:
You could solve this in the elimination way that I have been done in here.

I use Jason as an example that he paid $11.84 for 5t ( tacos ) + 1q ( quesadilla )
Therefore we could do the elimination if the taco cost 3.45 x 5 = 17.25, would be over the cost.

-> Cross B answer

Then we take 1.57 x 5 = 7.85. 11.84 - 7.85 = 3.99, which it is not 3.39 => Cross D answer.

Therefore the cost of tacos need to be 1.69 because there have been a repetition in both A& C

1.69 x 5 = 8.45. $11.84 - 8.45 = $3.39 for quesadillas.

Which it proves for the answer is C

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What is the range of the function g(x)=4x−5 when the domain is {-1, 0, 2}?

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Answer:

Step-by-step explanation:

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3 years ago

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a ball is thrown straight up from the top of a 128 foot tall building with an initial speed of 32 feet per second. the height of

STatiana [176]

Factoring, you have
h(t) = -16(t^2 -2 -8) = -16(t -4)(t +2)

The ball hits the ground when h(t) = 0, so
0 = -16(t -4)(t +2)
t = 4 or -2

The positive solution is the one of interest.
It will take 4 seconds for the ball to hit the ground.