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Mkey [24]
3 years ago
14

A healthy, adult cheetah can run 110 feet per second. How fast can a cheetah run in miles per hour?

Mathematics
2 answers:
ipn [44]3 years ago
7 0
75 miles per hour. 
all you have to do it convert the it to the mph
stealth61 [152]3 years ago
7 0
75 miles per hour :)
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The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.
BabaBlast [244]

Answer:

20.27

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

Using the Central Limit Theorem for Means, what is the standard deviation for the sample mean distribution?

This is s when \sigma = 136, n = 45. So

s = \frac{136}{\sqrt{45}} = 20.27

So the correct answer is:

20.27

3 0
3 years ago
Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both di
Delvig [45]
With or without replacement?

3 0
3 years ago
Read 2 more answers
15/331<br> please show in dept steps for the division
photoshop1234 [79]

\frac{15}{331}or 0.045317

Step-by-step Explanation :

As the given fraction is an improper fraction, it is hard to divide properly. Either :

☆ You can write what it is given as per question for the answer.

☆ Else, by dividing, we will get a huge value. In this case, we get it as 0.045317

8 0
2 years ago
Find the area of each sector. Omg please help due in 5 min!!
mr Goodwill [35]
The answer is C (289pi/6 mi2)
5 0
3 years ago
Please help. i need part b on 66, 68 and 70!
max2010maxim [7]

Step-by-step explanation:

Use the function to find the coordinates of the endpoints.  Find the slope between those points, then use point-slope form to write the equation.  If you wish, you can simplify to slope-intercept form.

For example, #66:

f(2) = -4(2) + 1 = -7

f(5) = -4(5) + 1 = -19

So the endpoints of the secant line are (2, -7) and (5, -19).  The slope between those lines is:

m = (-19 − (-7)) / (5 − 2)

m = -12 / 3

m = -4

The equation of the line in point-slope form is:

y − (-7) = -4 (x − 2)

y + 7 = -4 (x − 2)

Simplifying:

y + 7 = -4x + 8

y = -4x + 1

f(x) is a line, so unsurprisingly, the secant line connecting two points on that line has the same equation.

Let's try #68:

g(2) = (-1)² + 1 = 2

g(5) = (2)² + 1 = 5

So the endpoints of the secant line are (-1, 2) and (2, 5).  The slope between those lines is:

m = (5 − 2) / (2 − (-1))

m = 3 / 3

m = 1

The equation of the line in point-slope form is:

y − 2 = 1 (x − (-1))

y − 2 = x + 1

Simplifying:

y = x + 3

8 0
3 years ago
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