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dmitriy555 [2]
3 years ago
10

The price of a movie ticket was $6.75 in 2010 and $8.00 in 2013.Find the approximate percent increase in the price of the ticket

.
A) 18.5%
B) 20.2%
C) 21.5%
D) 19.4%
E) 22.8
Mathematics
1 answer:
pogonyaev3 years ago
7 0

Answer:

A - 18.5%

Step-by-step explanation:

1. subtract 6.75 from 8.00 = 1.25

2. multiply 6.75 by 18.5% = 1.25

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Answer: Volume of cylinder is (3.14) x (radius squared)  times height, or nr^2h

Step-by-step explanation:

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3 years ago
A shipment of 50 precision parts including 4 that are defective is sent to an assembly plant. The quality control division selec
natali 33 [55]

Answer:

0.3968 = 39.68% probability this shipment passes inspection.

Step-by-step explanation:

The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

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)!}

In this question:

50 parts means that N = 50

4 defective means that k = 4

10 are chosen, which means that n = 10

What is the probability this shipment passes inspection?

Probability that none is defective, so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,50,10,4) = \frac{C_{4,0}*C_{46,10}}{C_{50,10}} = 0.3968

0.3968 = 39.68% probability this shipment passes inspection.

6 0
3 years ago
50 points! help me! Real answers PLEASE!
Alika [10]

Step-by-step explanation:

Your previous questions answer is

v=23

w=19

x=22

y=26

z=20

<em>if</em><em> </em><em>you</em><em> </em><em>satisfied</em><em> </em><em>in my answers please please mark</em><em> </em><em>as brainleiest and follow me</em><em> </em>

4 0
3 years ago
Read 2 more answers
Ogether, teammates pedro and ricky got 2675 base hits last season. pedro had 283 more hits than ricky. how many hits did each pl
kondor19780726 [428]
Let Ricky = x; so equation: x + (x+283) = 2675 ; Re-arrange so x = Ricky = 1196 hits with Pedro 1196 + 283 = 1479.
7 0
3 years ago
Please explain how you got the answer!
ValentinkaMS [17]
Definition of additional: MORE, more, <em>and</em> more.
<em>Not </em>a definition of additional: SAME, same, and same.

We are given that EF is parallel to GH.
Remember, the definition of additional.

We wouldn't want the same piece of information, would we?

That's why we want a new piece of information:
Answer Choice B; FG parallel to EH.
6 0
3 years ago
Read 2 more answers
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