3 years ago

Can you please answer this question?

Mathematics

1 answer:

aivan3 [116]3 years ago

7 0

B, because wearing athletic shoes does not make you a better dancer.

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Using F(x) = 5x^2- 3, what is f(-3)? A. 42 B. -3 C.-48 D. -42

Gnom [1K]

Answer: 42

Step-by-step explanation

Switch x out with 3

using Pemdas do the exponent first

3^2 is 9

then multiply

5*9= 45

then subtract

45-3=42

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3 years ago

Identify the slope (m) and y-intercept (b) of the graph of each equation y=1/2x-7

Tamiku [17]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have the following equation:

$y = \frac {1} {2} x-7$

So:

$m = \frac {1} {2}$ , the slope is positive

$b = -7$

For the graph, we place the point on the coordinate axis:

$(x, y) :( 0, -7)\\(x, y) :( 1, - \frac {13} {2})$

We draw the line!

The graphic is attached.

ANswer:

$m = \frac {1} {2}$ , the slope is positive

$b = -7$

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3 years ago

In a chess tournament, each player plays every other player exactly once. If it is known that 36 games were played, how many pla

KengaRu [80]

36, the games determine how many players there are b/c each player plays once

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2 years ago

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Westkost [7]

Answer:

Step-by-step explanation:

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3 years ago

What is the answer to 21-9f=-20(f-6)

Anna [14]

F = 9. pretty easy solution, just whatever you do to one side u do to the other.

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4 years ago

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