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3 years ago

HELP ME!!!T^T

Mathematics

2 answers:

andreev551 [17]3 years ago

4 0

I'm pretty sure there where 64 teams in the start of the tournement

katrin [286]3 years ago

3 0

64 is the answer hope it helps

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Solve for y in terms of x

Alika [10]

Answer:

(a) 3 - 2x - 2x² (b) -21

Step-by-step explanation:

given, y +2x² = 3 -2x

make y the subject:

y = 3 - 2x - 2x²

if y = f(x)

then

f(x) = 3 - 2x - 2x²

(b) to find f(3) we need to replace x with 3:

3 - 2(3) - 2*(3)²

-21

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2 years ago

How likely is it that you would push a green button if your eyes are closed

Harrizon [31]

Answer:

This really depends on the situation, and many variables. Is there a specific moment? Multiple buttons? Would you mind giving more context or is that it?

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3 years ago

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(12y2+17y-4)+9y2-13y+3)

Flura [38]

$(12y^2+17y-4)+(9y^2-13y+3)=12y^2+9y^2+17y-13y-4+3=\\\\=21y^2+4y-1$

7 0

3 years ago

A math teacher is trying to analyze her test grades. She surveys the students to find out how many minutes they studied. She the

Natali [406]

Well, they couldnt have studied negative time.. So Id say the domain is $x \ge 0$ where $x$ is the time they studied.

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3 years ago

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Kiran jogs at a speed of 6 miles per hour when there are no hills. He plans to jog up a mountain road, which will cause his

Sergio [31]

Answer:

The equation is $t = \frac{8}{6 - r}$

Step-by-step explanation:

First off, we know r is going to be subtracted from 6 somewhere in the expression since the problem says "decreasing by r miles per hour."

If we want to see how long it would take him to jog 8 miles up to the mountain road we would have to take 8 and divide it by 6 - r.

Therefore, the equation is $t = \frac{8}{6 - r}$

Hope this helps, please mark brainliest if possible and give good ratings thanks :)

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2 years ago