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Leona [35]
3 years ago
10

On a circular playground, the distance from its center to the edge of the playground is 35 feet. What is the approximate circumf

erence of the playground?
Mathematics
2 answers:
Novay_Z [31]3 years ago
7 0
The circumference should be 70 feet

AleksandrR [38]3 years ago
5 0
The answer would be 16.5

Hope this hels!
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Suppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find the variance. Round answer to 4 d
Tamiku [17]

Answer:

<u><em>a) P(X=1) = 0.302526</em></u>

<u><em>b) P(X=5) = 0.010206</em></u>

<u><em>c) P(X=3) = 0.18522</em></u>

<u><em>d) P(X≤3) = 0.92953</em></u>

<u><em>e) P(X≥5) = 0.010935</em></u>

<u><em>f) P(X≤4) = 0.989065</em></u>

<u><em></em></u>

<u><em></em></u>

<u><em>If helpful, please mark as brainliest! =)</em></u>

8 0
3 years ago
What is the exact area of a circle with a diameter of 10 cm? a. 5πcm^2 b. 10πm^2 c. 25πcm^2 d. 100πcm^2
dalvyx [7]

Answer:

C

Step-by-step explanation:

a=\pir^2

To find the radius, divide the diameter by 2

r=d/2

r=10/2

r=5

a=\pir^2

a=\pi5^2

a=25\pi

So, choice C is correct

Hope this helps! :)

4 0
3 years ago
Logx - logx-1^2=2log(x-1)
myrzilka [38]

Answer:

x is approximately 2.220744

Step-by-step explanation:

This can be simplified a little using properties of logarithms, and then solve it by graphing:

log(x)-log(x-1)^2=2\,log(x-1)\\log(x)-2\,log(x-1)=2\,log(x-1)\\log(x)=4\,log(x-1)

So we use a graphing tool to find the intersection point of the graph of log(x), and the graph of 4\,log(x-1)

Please see attached image for the graph and solution.

The value of x is approximately 2.220744

8 0
3 years ago
Read 2 more answers
Write the expression as a single logarithm<br> 2 ln 7 + ln(x+5) - ln(x-3)
yulyashka [42]

Answer:

ln ((49(x+5))/x-3)

7 0
3 years ago
The amount of rainfall each month over the past four years is shown below
Angelina_Jolie [31]
Unknown answer, not enough info.
4 0
3 years ago
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