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ella [17]
3 years ago
14

Question 15 (5 points)

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
7 0

Answer: $230

Step-by-step explanation:

Since the discount Eric got was 75% of the normal price, you would divide 172.50 by 0.75 and you would end up getting the original price, or $230.

Alenkinab [10]3 years ago
6 0

Answer:230

Step-by-step explanation:

100/75*172.5

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Suppose the names of the months of the year are placed in a hat and a name is drawn at random. (a) list the sample space for thi
ollegr [7]

(a)

The sample space is a set whose elements are all the possible outcomes for the experiment. Since we will extract one of the months of the years, the sample space is the set composed by all the 12 months:

\Omega = \{ \text{January},\ \text{February},\ldots,\text{December}\}

(b)

An event is a subset of the sample space. Events are often defined by their properties. In this example, the event E is the subset of the sample space defined as

E = \{ x \in \Omega: x \text{ starts with the letter J}\}

So, we have

E = \{\text{January},\ \text{June},\ \text{July}\}

(c)

If all outcomes have equal probability, then the probability of an event is the ratio bewteen its cardinality, and the cardinality of the whole sample space:

P(E) = \dfrac{n(E)}{n(\Omega)} = \dfrac{3}{12} = \dfrac{1}{4}

In words, since there are three months beginning with J out of 12 months, we have a probability of 3 over 12 to pick a month starting with J, which simplifies to 1 over 4.

3 0
3 years ago
Please help!! also please explain I would like to understand.​
ziro4ka [17]

Answer:

A

Step-by-step explanation:

First, put this equation in slope intercept form.

y=mx+b

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Since it's greater than, the solution set is above the line, effectively eliminating graph D.

Now we should graph it.

We can see that the point (2,1) is on the graph, and only Graph A has that point. Therefore, Graph A is the correct graph.

7 0
3 years ago
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I NEED THIS ANSWER NOW! Determine which postulate or theorem can be used to prove that ABC DCB.
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Quick Answer SSS
Proof
AC = DB
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andrew11 [14]

Answer:

The slope of line a is * also.

Step-by-step explanation:

Parallel lines have the same slope. Whatever number, fraction, variable, symbol is given for the slope of one line, the other must have the same number, fraction, variable, symbol, if they are parallel.

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VikaD [51]
Someone is writing the answer so ill just give you this tip for whenever.
A negitive times a negitive is positive
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