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2 years ago

Which is the best reason why 3 18 + 368 is not equal to 6?

Mathematics

1 answer:

MA_775_DIABLO [31]2 years ago

6 0

Answer:

Basic equality denotes a normative property, that is, the same level of some value, good or reason for action.

Step-by-step explanation:

One single concept of ‘basic equality’, therefore, is cast as the common touchstone of all contemporary political thought.

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You bought a magazine for 4$ and 4 books you spent a total of 30$ how much did each book cost

pogonyaev

Answer:

6.5

Step-by-step explanation:30-4=26

26 divided by 4 equals 6.5

3 0

3 years ago

Read 2 more answers

What's the algebraic expression represents the phrase? Cindy studied seven more hours than Nikki studied. A. n + 7 B. 7 - n C. 7

Angelina_Jolie [31]

It is going to be (A)

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3 years ago

When writing an equation, your “y-intercept” is whatever the value of y is when x =

ki77a [65]

the value of Y is when X crosses the X axis.

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2 years ago

A real estate agent has 14 properties that she shows. She feels that there is a 50% chance of selling any one property during a

Ratling [72]

Answer:

91.02% probability of selling more than 4 properties in one week.

Step-by-step explanation:

For each property, there are only two possible outcomes. Either it is sold, or it is not. The chance of selling any one property is independent of selling another property. So we use the binomial probability distribution 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.

In this problem we have that:

$n = 14, p = 0.5$

Compute the probability of selling more than 4 properties in one week.

Either you sell 4 or less properties in one week, or you sell more. The sum of the probabilities of these events is decimal 1. So

$P(X \leq 4) + P(X > 4) = 1$

We want to find $P(X > 4)$ . So

$P(X > 4) = 1 - P(X \leq 4)$

In which

$P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)$

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

$P(X = 0) = C_{14,0}.(0.5)^{0}.(0.5)^{14} = 0.000061$

$P(X = 1) = C_{14,1}.(0.5)^{1}.(0.5)^{13} = 0.000854$

$P(X = 2) = C_{14,2}.(0.5)^{2}.(0.5)^{12} = 0.0056$

$P(X = 3) = C_{14,3}.(0.5)^{3}.(0.5)^{11} = 0.0222$

$P(X = 4) = C_{14,4}.(0.5)^{4}.(0.5)^{10} = 0.0611$

$P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.000061 + 0.000854 + 0.0056 + 0.0222 + 0.0611 = 0.0898$

Finally

$P(X > 4) = 1 - P(X \leq 4) = 1 - 0.0898 = 0.9102$

91.02% probability of selling more than 4 properties in one week.

8 0

3 years ago

Explain why every year must contain at least one Friday the 13th.

Bond [772]

Step-by-step explanation:

God said "let there be light" The people who made the calendar said "Let there be Friday 13th.

8 0

3 years ago