3 years ago

These are math problems can you pls help me

Mathematics

1 answer:

Feliz [49]3 years ago

8 0

here:

1) $50

2) $3125

3) $315

4) $1543.05

5a) 25 percent

5b) 20 percent

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A swim meet has 13 contestants signed up for the 100-meter butterfly event. The first heat has 6 swimmers. How many different wa

tino4ka555 [31]

Answer:

6 swimmers in the first heat can be arranged in 1716 different ways.

Step-by-step explanation:

A swim meet has 13 contestants signed up. To calculate the arrangement of first 6 swimmers in first heat we will use combinations because order doesn't matter.

So to select 6 swimmers out of 13 contestants number of different ways

= $^{13}C_{6}$

= $\frac{13!}{(6!)(13-6)!}$

= $\frac{13\times 12\times 11\times 10\times 9\times 8\times 7!}{6!\times 7!}$

= $\frac{13\times 12\times 11\times 10\times 9\times 8}{6\times 5\times 4\times 3\times 2\times 1}$

= $\frac{1235520}{720}$

= 1716

Therefore, 6 swimmers in the first heat can be arranged in 1716 different ways.

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2 years ago

9 1/6 divided by 5/6

AnnZ [28]

Rewrite 9 1/6 divided by 5/6 as follows:

55 6

---- * -----

6 5

Reducing this produces the desired quotient, 11.

8 0

3 years ago

Find the slope of the tangent line to the graph of f at the given point. f(x) = x√ at (36,6) 1/3 1/12 3 12

Alik [6]

slope = $\frac{1}{12}$

the slope is the value of f' (36)

f(x) = √x = $x^{\frac{1}{2} }$

f'(x) = $\frac{1}{2}$ $x^{-\frac{1}{2} }$ = $\frac{1}{2\sqrt{x} }$

f'(36) = $\frac{1}{2(6)}$ = $\frac{1}{12}$

5 0

3 years ago

Read 2 more answers

What is the average rate of change for the sequence shown below?

Mkey [24]

Hey There!

To find the rate of change, simply use the following formula.

y2 - y1 = x2 - x1

Keeping this in mind, let's begin to solve.

3 - 4 = -1

1 - (-1) = 2

Therefore, the answer would be C

Thank you for posting your question with Brainly!

6 0

3 years ago

Find the volume of a sphere whose radius is 13 feet. Round your answer to two decimal places. (use = 3.14)

Helen [10]

Answer:

9,202.77

Step-by-step explanation:

This is off of g/o/o/g//l/e/// btw hope this helped

4 0

3 years ago