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Dennis_Churaev [7]
3 years ago
10

Which point represents the center of the circle shown below?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
5 0

Answer:

point A

Step-by-step explanation:

marishachu [46]3 years ago
3 0

Answer:

Point A

Step-by-step explanation:

Point A

The center of the circle is in the middle of the circle. Points C, T, R, and P are on the circumference of the circle, and A  is in the middle of the circle, so it is point A

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Hey guys pls help me
GarryVolchara [31]

Answer:

A graph of an equation is an illustration of a set of points ... Graphing by plotting points is a method of graphing whic ... c ordered pairs satisfy the equation 2x+y = 4, the values of each x and y are s ... Its graph must therefore be a straight line. ... Find the y-intercept by setting x in the given equation equal to 0 and finding the ...

Step-by-step explanation:

3 0
3 years ago
Which relation describes the graph?
otez555 [7]

Answer:

A.

Step-by-step explanation:

idk how to explain it. all you need to do is look at the graph..... every point is (x,y). x is where it is horizontally and y is vertically

8 0
3 years ago
A telemarketer is successful at getting people to donate money for her organization in 55% of all calls she makes. She must get
Tems11 [23]
An interesting twist to a binomial distribution problem.

Given:
p=55%=0.55 for probability of success in solicitation
x=4=number of successful solicitations
n=number of calls to be made
P(x,n,p)>=89.9%=0.899  (from context, it is >= and not =, which is almost impossible)

From context of question, all calls are assumed independent, with constant probability of success, so binomial distribution is applicable.

The number of successes, x, is then given by
P(x)=C(n,x)p^x(1-p)^{n-x}where
p=probability of success
n=number of trials
x=number of successesC(n,x)=\frac{n!}{x!(n-x)!}

Here we need n such that
P(x,n,p)>=0.899
given
x>=4, p=0.55, which means we need to find

Method 1: if a cumulative binomial distribution table is available, we can look up n=9,10,11 and find
P(x>=4,9,0.55)=0.834
P(x>=4,10,0.55)=0.898
P(x>=4,11,0.55)=0.939
So she must make (at least) 11 calls to make sure the probability of meeting her quota is 89.9% or more.

Method 2: using technology.
Similar to method 1, we can look up the probabilities directly, for n=9,10,11
P(x>=4,9,0.55)=0.834178
P(x>=4,10,0.55)=0.8980051
P(x>=4,11,0.55)=0.9390368

Method 3: using simple calculator
Here we need to calculate the probabilities for each value of n=10,11 and sum the probabilities of FAILURE S=P(0,n,0.55)+P(1,n,0.55)+P(2,n,0.55)+P(3,n,0.55)
so that the probability of success is 1-S.
For n=10,
P(0,10,0.55)=0.000341
P(1,10,0.55)=0.004162
P(2,10,0.55)=0.022890
P(3,10,0.55)=0.074603
So that
S=0.000341+0.004162+0.022890+0.074603
=0.101995
and Probability of getting 4 successes (or more) 
=1-S
=0.898005, missing target by 0.1%

So she will have to make 11 phone calls, bring up the probability to 93.9%.  The work is similar to that of n=10.
8 0
3 years ago
Which expression give the prime factorization of 80?
liq [111]

Answer:

Prime factorization: 80 = 2 x 2 x 2 x 2 x 5 which can also be written 80 = 2⁴ x 5.

Step-by-step explanation:

hope this helped <3

7 0
3 years ago
Read 2 more answers
Kisha ran 8 7/15 miles then walked 1 7/10. Find the total distance she traveled.
adoni [48]

Answer:

the total distance she traveled is 10 1/5

6 0
3 years ago
Read 2 more answers
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