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solniwko [45]
4 years ago
11

50 people were asked what sort of music the liked. 14 people said jazz what percentage is that?

Mathematics
2 answers:
Alexus [3.1K]4 years ago
6 0
28% of people said they liked jazz. 14 is 28% of 50.
sukhopar [10]4 years ago
5 0
50 ppl = 100%
1 ppl = 2 %
14 ppl = 14 * 2 % = 28 %
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First-order linear differential equations
kkurt [141]

Answer:

(1)\ logy\ =\ -sint\ +\ c

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Step-by-step explanation:

1. Given differential equation is

  \dfrac{dy}{dt}+ycost = 0

=>\ \dfrac{dy}{dt}\ =\ -ycost

=>\ \dfrac{dy}{y}\ =\ -cost dt

On integrating both sides, we will have

  \int{\dfrac{dy}{y}}\ =\ \int{-cost\ dt}

=>\ logy\ =\ -sint\ +\ c

Hence, the solution of given differential equation can be given by

logy\ =\ -sint\ +\ c.

2. Given differential equation,

    \dfrac{dy}{dt}\ -\ 2ty\ =\ t

=>\ \dfrac{dy}{dt}\ =\ t\ +\ 2ty

=>\ \dfrac{dy}{dt}\ =\ 2t(y+\dfrac{1}{2})

=>\ \dfrac{dy}{(y+\dfrac{1}{2})}\ =\ 2t dt

On integrating both sides, we will have

   \int{\dfrac{dy}{(y+\dfrac{1}{2})}}\ =\ \int{2t dt}

=>\ log(y+\dfrac{1}{2})\ =\ 2.\dfrac{t^2}{2}\ + c

=>\ log(y+\dfrac{1}{2})\ =\ t^2\ +\ c

Hence, the solution of given differential equation is

log(y+\dfrac{1}{2})\ =\ t^2\ +\ c

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4 years ago
football practice is 3 hours long and is split equally into two parts basic warm up Princeton football how much time is spent pr
Allisa [31]

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6 0
3 years ago
A scientist counts 25 bacteria present in a culture and finds that the number of bacteria tripled each hour. the function y=25•3
LUCKY_DIMON [66]

Answer: The answer is 3.5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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Harlamova29_29 [7]

Answer:

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Step-by-step explanation:

To solve this expression, we can use PEMDAS or order of operations.

<u>Parenthesis</u>

<u>Exponents</u>

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<u>Addition>Subtraction (See Multiplication>Division)</u>

So First, lets solve the <u>Parenthesis</u>. -2/5=-.4

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-3/-.4=7.5

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Hope this helps!

6 0
3 years ago
First right answer will get brainlist
Ronch [10]
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