3 years ago

WHOEVER IS RIGHT GETS BRAINLIST

Mathematics

2 answers:

torisob [31]3 years ago

7 0

Answer: 145 percent or 1 whole and 45 percent

Step-by-step explanation:

siniylev [52]3 years ago

7 0

Answer:

72.5% if both the squares are included, or 45% of the square on the right

Step-by-step explanation:

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the temperature is 75 degrees fahrenheit. if the temperature decreases 15 degrees, what is the new temperature

lisabon 2012 [21]

Answer: 60 degrees!

Step-by-step explanation:

75 - 15 = 60

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3 years ago

Find gradient xe^y + 4 ln y = x² at (1, 1)

cricket20 [7]

$xe^y+4\ln y=x^2$

Differentiate both sides with respect to x, assuming y = y(x).

$\dfrac{\mathrm d(xe^y+4\ln y)}{\mathrm dx}=\dfrac{\mathrm d(x^2)}{\mathrm dx}$

$\dfrac{\mathrm d(xe^y)}{\mathrm dx}+\dfrac{\mathrm d(4\ln y)}{\mathrm dx}=2x$

$\dfrac{\mathrm d(x)}{\mathrm dx}e^y+x\dfrac{\mathrm d(e^y)}{\mathrm dx}+\dfrac4y\dfrac{\mathrm dy}{\mathrm dx}=2x$

$e^y+xe^y\dfrac{\mathrm dy}{\mathrm dx}+\dfrac4y\dfrac{\mathrm dy}{\mathrm dx}=2x$

Solve for dy/dx :

$e^y+\left(xe^y+\dfrac4y\right)\dfrac{\mathrm dy}{\mathrm dx}=2x$

$\left(xe^y+\dfrac4y\right)\dfrac{\mathrm dy}{\mathrm dx}=2x-e^y$

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2x-e^y}{xe^y+\frac4y}$

If y ≠ 0, we can write

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2xy-ye^y}{xye^y+4}$

At the point (1, 1), the derivative is

$\dfrac{\mathrm dy}{\mathrm dx}\bigg|_{x=1,y=1}=\boxed{\dfrac{2-e}{e+4}}$

4 0

3 years ago

jaxon earned $90 at his job when he worked for 9 hours . what was his hourly pay rate in dollars per hour ?

user100 [1]

Answer:

$10 dollars

Step-by-step explanation:

10x9=90

3 0

3 years ago

Read 2 more answers

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frosja888 [35]

Answer: 1: B

Step-by-step explanation:

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3 years ago

Ryan is building a tree house it will take 13 1/4 hours to complete he can work on the tree house 1 1/2 hours each day how many

Setler [38]

The answer is 8 5/6.

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3 years ago