4 years ago

PLZ ANSWER FAST!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Lorico [155]4 years ago

7 0

Answer:

it is c

Step-by-step explanation:

13/50

since she's the first person she doesn't have to worry about her other classmates taking one of the original states. so it is 13/50

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The radius of a coin is 12 mm what is the diameter of the coin what is the circumference of the coin what is the area of the coi

Fudgin [204]

Answer:

Step-by-step explanation:

radius of a coin is 12 mm

Diameter of the coin is twice the radius = 2 x 12mm = 24mm

The circumference of the coin= 2πr = 2 x3.14 x 12 = 75.36m

Area of coin = πr²= 3.14 x 12 x12 = 452.16mm²

what is the area of the coin

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4 years ago

Find dy/dx at (0,0) if x^2cosy-sin(y+4x)+ln(1+x)=0

Ksenya-84 [330]

$x^2\cos y-\sin(y+4x)+\ln(1+x)=0$

Differentiate both sides with respect to $x$ , treating $y$ as a function of $x$ :

$2x\cos y-x^2\sin y\dfrac{\mathrm dy}{\mathrm dx}-\cos(y+4x)\left(\dfrac{\mathrm dy}{\mathrm dx}+4\right)+\dfrac1{1+x}=0$

$2x\cos y-4\cos(y+4x)-\left(x^2\sin y+\cos(y+4x)\right)\dfrac{\mathrm dy}{\mathrm dx}+\dfrac1{1+x}=0$

$\left(x^2\sin y+\cos(y+4x)\right)\dfrac{\mathrm dy}{\mathrm dx}=2x\cos y-4\cos(y+4x)+\dfrac1{1+x}$

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2x\cos y-4\cos(y+4x)+\frac1{1+x}}{x^2\sin y+\cos(y+4x)}$

At the point (0, 0), the derivative is

$\dfrac{\mathrm dy}{\mathrm dx}(0,0)=\dfrac{0-4\cos0+1}{0+\cos0}=-3$

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4 years ago

What is the aswer ??????

Rom4ik [11]

Answer:

A is correct don't you know

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2 years ago

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GarryVolchara [31]

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Step-by-step explanation:

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3 years ago

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nika2105 [10]

Answer: $f(x)=x^{2} -9x+14$

Step-by-step explanation:

$x=2,7$

$f(x)=(x-2)(x-7)$

$f(x)=x^{2} -9x+14$

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4 years ago