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2 years ago

There are 6 runners in the 100 meter race at a track meet. in how many ways can the runners be arranged

1 answer:

3 0

The numbers can be arranged in 720 ways.

There are 6 people possible for the first position; 5 for the second; 4 for the third; etc. This gives us 6! = 720.

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Please help im being timed Inverse of f(x)=15x+4

rusak2 [61]

Answer:

$f^{-1}$ (x) =

Step-by-step explanation:

let y = f(x), then rearrange making x the subject

y = $\frac{1}{5}$ x + 4 ( subtract 4 from both sides )

y - 4 = $\frac{1}{5}$ x ( multiply both sides by 5 to clear the fraction )

5y - 20 = x

Change y back into terms of x with x = $f^{-1}$ (x) , then

$f^{-1}$ (x) = 5x - 20

3 0

2 years ago

Plz help ASAP I’ll do 45 points and brainliest to everyone

antiseptic1488 [7]

Answer:-22,-17, and 0

Step-by-step explanation:

all of these on a number line would be less than -28

7 0

2 years ago

Read 2 more answers

Which expressions are equivalent to Negative 9 (two-thirds x + 1)? Check all that apply.

Sav [38]

Answer:

$-9(\frac{2}{3}x) + 9(1)\\ \\-6x + 9$

Explanation:

Before we begin, remember the following rules:

1- Distribution property:

$a(b+c) = ab+ac$

2- Simplification of fractions:

$\frac{xy}{yz}=\frac{x}{z}$

3- Signs in multiplication:

+ve * +ve = +ve

-ve * -ve = +ve

+ve * -ve = -ve

Now, for the given problem, we have:

$9 (\frac{2}{3}x + 1)$

Starting with the distributive property:

$-9 (\frac{2}{3}x +1) = -9(\frac{2}{3}x) - (-9)(1) = -9(\frac{2}{3}x) + 9(1)$

..................>This corresponds to option 1

Now, we simplify the output from the above step:

$-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9$

................> This corresponds to option 5

Hope this helps :)

4 0

3 years ago

Read 2 more answers

IM AWARDING POINTS AND BRAINLIEST ITS DUE ASAP

Lelechka [254]

Answer:

the answer would be c=81x^28-n I hope it helps!

4 0

2 years ago

Read 2 more answers

I'm begging you! HELP ME

love history [14]

Okay first off. You want to combine like terms.

2.75-1.5=1.25j
2.25+3=5.25

Now you just fit those two answers into the final answer and you have:

1.25j+5.25.

7 0

2 years ago