3 years ago

PLEASE HELP ASAP I WILL MARK BRILLIANT WHOEVER ANSWERS THANKS (:

1 answer:

5 0

This is geometry, I'm not going to do to them for you because this is homework online and cheating.

You need to find the difference between the two lengths and so some formulas to find the answer.

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Evaluate 10C4. Type a numerical answer in the space provided. Do not type spaces in your answer.

SOVA2 [1]

10C4 represent the Combinations of 10 objects taken 4 at a time.

The formula for nCr is:

$nCr= \frac{n!}{r!(n-r)!}$

In the given case, n=10 and r=4. Using these values we get:

$10C4= \frac{10!}{4!(10-4)!} \\ \\ 
= \frac{10!}{4!*6!} \\ \\ 
=210$

This means we can make 210 combinations of 10 objects taken 4 at a time.

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3 years ago

With a headwind, a plane traveled 390 mi in 1.5 h. Let x represent the plane’s speed (excluding wind speed) and let y represent

VMariaS [17]

The equation is ............... (it needed to be so many characters long)
390/1.5 = x - y

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3 years ago

Skylar's grades on four math tests are 85, 78, 77, and 69. What does Skylar need to score on the next test in order to have a me

olga_2 [115]

She needs to score a 91 on her next test because 85+78+77+69+91=400 and 400 divided by 5 gives you a mean of 80.

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3 years ago

In the picture PLEASE HELP

Debora [2.8K]

I believe it's not a function because the input (x) 4 has two outputs(y), 2 and 8.

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3 years ago

Can someone help with this

xenn [34]

Answer:

1/8^2, 1/2^4 and 1/3^5

Step-by-step explanation:

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3 years ago