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timama [110]
2 years ago
11

Free 100 points if u know what dis is

Mathematics
2 answers:
kvasek [131]2 years ago
7 0

Answer:

This is a picture of You

Step-by-step explanation:

Valentin [98]2 years ago
3 0

Answer:

bone

\

Step-by-step explanation:

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So I have to compute the following but i don't know what they mean any help?
Gelneren [198K]

Answer:

Step-by-step explanation:

This is a Combination (as in permutation vs combination) question the symbol (n r) refers to "n choose r". This is sometimes written as nCr

i.e the question is asking you to find how many combinations each will yield when you chose r items from n item without repetition and order does not matter.

I will only do the first question for you and you can just follow the same steps to solve the rest of the questions.

Recall that

nCr=\frac{n!}{(r!)(n-r)!}

Consider question a) we are given (5 1) or ₅C₁

we can see that n = 5 and r = 1

If we substitute this into the formula:

₅C₁ = (5!) / [ (1!)(5- 1)!]

= (5!) / [ (5- 1)!]

= (5!) / (4!)

= (5·4·3·2·1) / (4·3·2·1)

= 5

hence ₅C₁ = 5

7 0
2 years ago
Read 2 more answers
A state's license plates consist of four letters followed by three numerals, and 242 letter arrangements are not allowed. How ma
PolarNik [594]

Answer: There are 456975758 plates that the state can issue.

Step-by-step explanation:

Since we have given that

Number of letters = 4

Number of numerals = 3

And 242 letter arrangements are not allowed.

As we have 26 letters i.e A-Z

and numerals i.e, 0-9

So, the number of plates would be

(26^4)\times 10^3=456976000

So, the restricted letters deducting would be

456976000-242=456975758

Hence, there are 456975758 plates that the state can issue.

6 0
3 years ago
4.) Mr. Lakey is a taxi cab driver. He earns $5.00 hour plus tips. One week he works 40
Arisa [49]

Answer:

87

Step-by-step explanation:

earning rate (R) = $5/hr

total (T) = $287

time (t) = 40 hr

tips = T - Rt

= $287 - $5*40

$87

3 0
2 years ago
X squared + ysquared-6y=-5
Oksanka [162]
Standard Form of the circle:  

x^{2} +(y-3) ^{2} =14

For y:

y=3 (+/-) \sqrt{-x} ^{2}  +14

For x:

x=\sqrt{-y ^{2} } +6y+5

and

- \sqrt{-y}  ^{2} +6y+5
8 0
3 years ago
during migration , a butterfly can travel 30 miles in 1 hour . which graph best represents y , the number of miles a butterfly c
Kaylis [27]
We need the graph options to choose
5 0
3 years ago
Read 2 more answers
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