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iris [78.8K]
3 years ago
9

There are 4people in a room, and we are curious whether two of them have theirbirthday in the same month. We record the quadrupl

ethat describes the month ofbirthday for each person. E.g. (Oct, Jan, Jul, Apr) is one possible quadruple /outcome.(Since each month applies to a specific person, (Oct, Jan, Jul, Apr) is not the same as(Jan, Jul, Oct, Apr) and so order is important).
a. How many possible outcomes are there?
b. In how many of these outcomes, all four people have their birthday indifferent months?
c. In how many of these outcomes, at least two people have their birthday in the same month?
Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0
Oh yes I think they have the right size but not sure how much I would do lol but they look nice lol but I’m gonna do that .. but yes yes lol yes yes that’s good for him and jhoels
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find the least common denominator of the following rational expression 1/x-5 , x+3/x^2-10x+25, 7x/x^2-25
I am Lyosha [343]
Hello there!
Find the last common denominator of the following rational expression 1/x-5 , x+3/x^2-10x+25, 7x/x^2-25

Find the LCD.
x^{2} (x-5)(x+5)

Answer: x^{2} (x-5)(x+5)
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3 years ago
Which figure could be the result of dilating this triangle with a scale factor greater than 1? On a coordinate plane, a triangle
Ierofanga [76]

Answer:

3rd answer choice

Step-by-step explanation:

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Read 2 more answers
What is the length of missing side JK? Round Answer to nearest tenth please.
zvonat [6]

Given:

Triangle LJK.

LJ = 89 in, LK = 28 in and m∠L = 42°

To find:

The length of missing side JK.

Solution:

LJ = k = 89

LK = j = 28

JK = l = ?

Using law of cosine:

l^{2}=j^{2}+k^{2}-2 jk \cdot \cos L

Substitute the given values.

l^{2}=28^{2}+89^{2}-2 \cdot 28 \cdot 89 \cdot \cos 42^\circ

l^{2}=784+7921-4984 \cdot (0.7)

l^{2}=784+7921-4984 \cdot (0.7431)

l^{2}=784+7921-3703.6

l^{2}=5001.4

Taking square root on both sides.

l=70.7

The length of the missing side is 70.7 in.

4 0
3 years ago
I need help answering this question please help
MArishka [77]
40

Or at least that what my calculator says.
8 0
3 years ago
the new parking lot has spaces for 450 cars the ratio of spaces for full size cars to compact cars is 11 to 4 how many spaces ar
Bogdan [553]
The ratio 11:4 means that the total number of spaces is a multiple of 15 parts, this multiple is what value is assigned to each part.

450/15=30  so each part is equal to 30 spaces

Full sized car spaces are 11*30=330 spaces

Compact car spaces are 4*30=120 spaces.
6 0
3 years ago
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