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RSB [31]
3 years ago
6

PLEASE ANSWER ASAP! GIVING BRAINLIEST! PLS THIS IS A TEST!

Mathematics
1 answer:
kherson [118]3 years ago
3 0

Answer:

Each Person should owe  30$.

Step-by-step explanation:

84.99+5.10=90.

90/3 friends= 30$ each. There fore, the friend's calculation is not reasonable.

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A

Step-by-step explanation:

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slope = (3-2)/(-1-2) = 1/(-3) = -1/3

6 0
3 years ago
PLEASE HELP ME THIS IS DUE ASAP!!! I will mark brainliest if right!!! Explain!
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Step-by-step explanation:

6 0
3 years ago
The equation of a parabola is y=x2+6x+9. Write the equation in vertex form.
nignag [31]

Answer:

Step-by-step explanation:

Vertex form is accomplished by completing the square on the quadratic. Do this by first setting the parabola equal to 0 then moving the constant over to the other side:

x^2+6x=-9

Now take half the linear term, square it, and add it to both sides. Our linear term is 6. Half of 6 is 3, and 3 squared is 9:

x^2+6x+9=-9+9

The reason we do this is to create a perfect square binomial on the left:

(x+3)^2=0 (obviously the 0 results from the addition of 9 and -9). Move the 0 back over to the other side and set the quadratic back equal to y:

(x+3)^2+0=y

This gives you a vertex of (-3, 0), which is a minimum value, since the parabola opens upwards.

6 0
3 years ago
The Opposite Of The Opposite Of $800 Is $800. Is His Reasonign correct?<br> Explain
babymother [125]

Answer:

umm... i belive yes.

Step-by-step explanation:

this is beacuse..

800 opposite wold be -800 right

and then the opposite of -800 wold be 800

so 800 is equal to 800 cus ya

so yes i belve that this is true.

5 0
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The perimeter of a rectangle is 42 feet the length is 5 feet longer than the width what are the dimensions
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