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vovikov84 [41]
2 years ago
13

According to Greg, perfect cherry pies have a ratio of 210 cherries to 3 pies

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
6 0

630 cherries

You can setup a ratio using \frac{210}{3}=\frac{x}{9} and solve for x by multiplying 210*9 and dividing by 3 to get 630 cherries.

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Determine whether each relation is a function <br> X=-2 <br> Y=2
mash [69]
X = -2 would not be a function because if you graph it, it is a vertical line. 
Y = 2 is a function because when graphed, it is shown as a horizontal line and passes the vertical line test.
7 0
3 years ago
Solve the system of equations. 2y-y=5 and 3x+2y=4
rewona [7]

Answer:

Step-by-step explanation:

4 0
2 years ago
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A real estate agent has 17 properties that she shows. She feels that there is a 50% chance of selling any one property during a
Likurg_2 [28]

Answer:

0.0011 = 0.11% probability of selling less than 3 properties in one week.

Step-by-step explanation:

For each property, there are only two possible outcomes. Either they are sold, or they are not. The chance of selling any one property is independent of selling another property. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

A real estate agent has 17 properties that she shows.

This means that n = 17

She feels that there is a 50% chance of selling any one property during a week.

This means that p = 0.5

Compute the probability of selling less than 3 properties in one week.

This is

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{17,0}.(0.5)^{0}.(0.5)^{17} \approx 0

P(X = 1) = C_{17,1}.(0.5)^{1}.(0.5)^{16} = 0.0001

P(X = 2) = C_{17,2}.(0.5)^{2}.(0.5)^{15} = 0.0010

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0 + 0.0001 + 0.0010 = 0.0011

0.0011 = 0.11% probability of selling less than 3 properties in one week.

5 0
3 years ago
1. A school has 400 students. They all come to school by bus, and each bus carries the same number of students. How many student
podryga [215]

Answer:

4, I believe

Step-by-step explanation:

400 students

100 buses

400/100=4

7 0
3 years ago
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If f(x) = |x| + 9 and g(x) = –6, which describes the range of (f + g)(x)?
tangare [24]

Answer:

The range of the (f+g)(x) is all real number or ]-\infty,\infty[

Step-by-step explanation:

Let's difne the addition of two funtion as:

(f+g)(x)=f(x)+g(x)

(f+g)(x)=|x|+9-6

(f+g)(x)=|x|+3

The range of the (f+g)(x) is all real number or ]-\infty,\infty[.

I hope it helps you!

8 0
3 years ago
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