3 years ago

Help,anyone can help me do quetion a and b.

Mathematics

1 answer:

max2010maxim [7]3 years ago

5 0

it's a diamond and 120% heat yatyat Efren Reyes bata

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NEED HELP ASAP BRAINLY IF CORRECT

lys-0071 [83]

Answer:

25r +30j = 460

r - j = 3

Step-by-step explanation:

Let r and j represent Riley's hours and Jace's hours, respectively. The equations could be ...

25r +30j = 460

r - j = 3

The solution is (r, j) = (10, 7).

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3 years ago

Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. x = cos(θ) + sin(4θ

dybincka [34]

The line tangent to the curve at $(x(0),y(0))$ has slope

$\dfrac{\mathrm dy}{\mathrm dx}\bigg|_{\theta=0}=\dfrac{\mathrm dy}{\mathrm d\theta}\dfrac{\mathrm d\theta}{\mathrm dx}\bigg|_{\theta=0}=\dfrac{\cos\theta-4\sin4\theta}{-\sin\theta+4\cos4\theta}\bigg|_{\theta=0}=\dfrac14$

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$y-1=\dfrac14(x-1)$

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Step-by-step explanation:

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3 years ago

Help,anyone can help me do quetion a and b.​

Help,anyone can help me do quetion a and b.