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MakcuM [25]
3 years ago
12

Find the value of x. Will mark brainliest.

Mathematics
1 answer:
Margaret [11]3 years ago
5 0

Answer:

x = 8

Step-by-step explanation:

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Sharla is moving to New York,she found a movin company that charges a one time fee of $400 and $5 per mile,m.which of the follow
ryzh [129]
5+c=400
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395

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4 0
3 years ago
Of the students at Milton middle school 171 are girls if 45% of the students are girls how many total students are there at milt
Volgvan

Answer:

380

Step-by-step explanation:

171:45=3,8

3,8*100=380

8 0
3 years ago
In a shipment of 56 vials, only 13 do not have hairline cracks. If you randomly select 3 vials from the shipment, in how many wa
Elden [556K]

Answer: 27434

Step-by-step explanation:

Given : Total number of vials = 56

Number of vials that do not have hairline cracks = 13

Then, Number of vials that have hairline cracks =56-13=43

Since , order of selection is not mattering here , so we combinations to find the number of ways.

The number of combinations of m thing r things at a time is given by :-

^nC_r=\dfrac{n!}{r!(n-r)!}

Now, the number of ways to select at least one out of 3 vials have a hairline crack will be :-

^{13}C_2\cdot ^{43}C_{1}+^{13}C_{1}\cdot ^{43}C_{2}+^{13}C_0\cdot ^{43}C_{3}\\\\=\dfrac{13!}{2!(13-2)!}\cdot\dfrac{43!}{1!(42)!}+\dfrac{13!}{1!(12)!}\cdot\dfrac{43!}{2!(41)!}+\dfrac{13!}{0!(13)!}\cdot\dfrac{43!}{3!(40)!}\\\\=\dfrac{13\times12\times11!}{2\times11!}\cdot (43)+(13)\cdot\dfrac{43\times42\times41!}{2\times41!}+(1)\dfrac{43\times42\times41\times40!}{6\times40!}\\\\=3354+11739+12341=27434

Hence, the required number of ways =27434

5 0
3 years ago
Based on your observations, what conclusion can you draw about the lengths of AB DB AE EC
Deffense [45]

Answer:

The ratio of AD to DB is equal to the ratio of AE to EC. In other words, the pairs of lengths are proportional.

Step-by-step explanation:

Sample answer from plato

4 0
3 years ago
How to solve 832 divide 32 multiply by 5 =
mixas84 [53]
The answer is 130 ...
4 0
3 years ago
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