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Norma-Jean [14]
3 years ago
7

Tire a bycicle tire has a radius of 15 inches. What is the circumference of the tire? Round to the nearest tenth.

Mathematics
2 answers:
blagie [28]3 years ago
6 0

Step-by-step explanation:

2× pie r

2 × pie × r = c

2× 3.14 × 15= 94.2 in

wlad13 [49]3 years ago
3 0
94.2 is the circumference
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Decide if the situation involves permutations, combinations, or neither. explain your reasoning.
tigry1 [53]

The number of ways you can choose 5 beach towels from a selection of 8 to bring on vacation is a combination problem

<h3>Permutation and combination</h3>

Permutation has to do with arrangement while combination has to do with selection.

When choosing an object from other pool of object, we will have what is called combination.

From the given question, we are told that the number of ways you can choose 5 beach towels from a selection of 8 to bring on vacation, since they are selecting, hence the situation involves combination.

Learn more on combination here: brainly.com/question/11732255

#SPJ1

8 0
2 years ago
Find the Derivative y’ implicitly.
Brums [2.3K]

e^{x^2y} - e^y = e^y(e^{x^2} - 1) = x

<em>We should ISOLATE x</em>

<em />e^y= \frac{x}{e^{x^2} - 1}

<em>Find the Natural Log of Both Sides to Make the Left Side "y"</em>

<em />y = ln(\frac{x}{e^{x^2}-1})

<em>Now, FIND THE DERIVATIVE Using Chain Rule!!!</em>

<em />y' = \frac{1}{\frac{x}{e^{x^2}-1}} * \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)^2}= {\frac{e^{x^2}-1}{x}}* \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)^2} = {\frac{1}{x}}* \frac{(1(e^{x^2}-1) - x(2x*e^{x^2})}{(e^{x^2}-1)} =  {\frac{1}{x}}* \frac{(e^{x^2}-1 - 2x^2e^{x^2})}{(e^{x^2}-1)}

3 0
3 years ago
What is 1/5 expressed as a percent?
juin [17]
1/5 is expressed 20%
6 0
3 years ago
What is the y-intercept of the function described in the table?
lord [1]

Answer:

the y-intercept is 2.

Step-by-step explanation:

If you find the rate of change, which in this case is 1/-4, you can reverse the rate of change.

1 and -2

-1 (instead of adding 1) to x

+4 (instead of subtracting) to y

you get (0, 2).

Making the y-intercept 2.

3 0
3 years ago
Read 2 more answers
You need 23 yards of fabric to make five dresses. How many yards of fabric would be needed to make 8 dresses?
olasank [31]

Answer:

36.8 or 37 yards of fabric

Step-by-step explanation:

23 yards of fabric = five dresses

23 divided by five equals four point six

four point six multiplied by eight dress equals 36.8

23 yds of fabric = 5 dresses

23÷5=4.6

If you need to know how many yards of fabric, then you'd do:

4.6×8

4.6 is the amount of each yards 5 dresses are in and so if you times that by how many dresses you need now, you'll get:

36.8 yards of fabric

To round, it'd be 37 yards of fabric

5 0
3 years ago
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