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Oduvanchick [21]
3 years ago
9

A little help please!

Mathematics
1 answer:
Katen [24]3 years ago
8 0

Answer:

r = 45 degrees, and s= 60 degrees

Step-by-step explanation:

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What is the mean of this data set? 8, 47, 13, 17, 26, 32
sleet_krkn [62]
The sum of your data set is 23.8333333333.All you have to do is add them all together and then divide by 6, which is the number of numbers there are.

8+13+17+26+32+47=143
143/6+23.8333333333
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4 years ago
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Please help me to solve the problem. ​
Semenov [28]

Answer:

(i) anti clockwise, at point (1,0)

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The cost of a car rental is 30​$ per day plus 27 cents per mile. You are on a daily budget of 76 ​$. Write and solve an inequali
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okok so the answer is

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3 years ago
1. Which is greater 25% of 90 or 28% of 82.
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Answer:

28% of 82

Step-by-step explanation:

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3 years ago
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There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the c
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I will use the binomial distrubion to find the probability.

\displaystyle
P(A)=\binom{n}{k}p^k(1-p)^{n-k}

------------------------------------------------------

A - selecting a red checker exactly 7 times in 10 selections

n=7\\
k=10

\displaystyle
P(A)=\binom{10}{7}\cdot\left(\dfrac{12}{15}\right)^7\cdot\left(1-\dfrac{12}{15}\right)^{10-7}\\\\
P(A)=\dfrac{10!}{7!3!}\cdot\left(\dfrac{4}{5}\right)^7\cdot\left(1-\dfrac{4}{5}\right)^3\\\\
P(A)=\dfrac{8\cdot9\cdot10}{2\cdot3}\cdot\dfrac{16384}{78125}\cdot\left(\dfrac{1}{5}\right)^3\\\\
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P(A)=\dfrac{393216}{1953125}\approx0.2=20\%


5 0
3 years ago
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