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Lostsunrise [7]
3 years ago
12

Mark buys last year's best-selling novel, in hardcover, for $16.80. This is with a

Mathematics
1 answer:
frozen [14]3 years ago
4 0
The correct answer would be $ 20.16
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If (3+y)/y=7, then y=<br> Please help :)
Makovka662 [10]
\frac{\big{3+y}}{\big{y}}=7\ \ \ \Rightarrow\ \ \  D:\ y \neq 0\\\\ \frac{\big{3+y}}{\big{y}}\cdot y=7\cdot y\\\\3+y=7y\\\\y-7y=-3\\\\-6y=-3\ /:(-6)\\\\y= \frac{3}{6} \\\\y= \frac{1}{2} \ \in\ D
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4 years ago
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What is (f+g)(x)?
Viktor [21]
(f+g)(x)=x^2-36+x^3+2x^2-10

(f+g)(x)=x^3+3x^2-46
6 0
3 years ago
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HURRRRRRYYYYYYY 1 QUESTION EXPERTS/ACE HELP QUICK!!!!!
Advocard [28]
(1/√y)^-1/5
= (√y)^1/5
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5 0
4 years ago
There were 2408 people on a board a cruise ship at the next port, it’s takes on 557 more passengers but 379 people get off. how
xenn [34]
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- 1928 adults

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4 0
3 years ago
A stick is broken into two pieces, at a uniformly random break point. Find the CDF and average of the length of the longer piece
Oksanka [162]

Answer:

P(L ≤ l) =P (1-l ≤ U ≤ l)= l- ( 1 - l ) = 2 l - 1

Step-by-step explanation:

let assume that stick has length 1.Random variable L that make length of a longer piece and random variable U that mark point .See that L < l means that

U≤ l and 1-U ≤l

P(L ≤ l) =P (1-l ≤ U ≤ l)= l- ( 1 - l ) = 2 l - 1

this means 1-l≤U≤l

so we have

if we have L  [1/2,1]

then apply the formula we have E(L)=3/4

5 0
4 years ago
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