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stealth61 [152]
2 years ago
9

Raj gave his mother a bouquet of 12 pink and white roses. There were 4 pink roses in the bouquet. Which ratio

Mathematics
2 answers:
atroni [7]2 years ago
8 0
<h2>2/3</h2>

12 flowers, 4 of them are pink, 12-4 is 8, so that is 8 white flowers. When you simplify 8/12, that would be <u>2/3</u>.

Studentka2010 [4]2 years ago
6 0

Sorry I was wrong, I didn’t mean to get it wrong.

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djverab [1.8K]
4/3 /......................................................../
7 0
3 years ago
Implicit differentiation of 1/x +1/y=5 y(4)= 4/19<br> y'(4)=?
Aneli [31]
\frac{1}{x} +\frac{1}{y} = 5\\\\x^{-1}+y^{-1}=5\\

Above, I changed the fraction form of x and y into exponential form so it is easier to see the differentiation. Now, we can differentiate:

-1x^{-2}+-1y^{-2}\frac{dy}{dx}=5\\\\\frac{-1}{x^2}-\frac{1}{y^2}\frac{dy}{dx}=5\\\\-\frac{1}{y^2}\frac{dy}{dx}=5+\frac{1}{x^2}\\\\\frac{dy}{dx}=-5y^2-\frac{y^2}{x^2}

Now that we have dy/dx, we can plug in the x, which is 4, and the y, which is 4/19. We know these values of x and y because your question stated y(4) = 4/19.

\frac{dy}{dx}=-5(\frac{4}{19})^2-\frac{(\frac{4}{19})^2}{(4)^2}\\\\\frac{dy}{dx}=-5(\frac{16}{361})-\frac{(\frac{16}{361})}{16}\\\\\frac{dy}{dx}=\frac{-80}{361}-\frac{1}{361}\\\\\frac{dy}{dx}=\frac{-81}{361}
5 0
3 years ago
at maximum speed , an airplane travels 1680 miles against the wind in 5 hours flying with the wind , the plane can travel the sa
Westkost [7]
X = velocity of plane
y = velocity of wind

x - y = 1680/5 = 336 mph .....(1) [ plane flying against the wind]
&
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Adding (1) and (2) to eliminate y gives

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3 0
3 years ago
Read 2 more answers
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vitfil [10]
(9x3)-9=18

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5 0
2 years ago
What s the length of the arc for the half circle
Andrej [43]

Answer`Step-by-step explanation:

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Hope that help, at least a bit.

3 0
3 years ago
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