2 years ago

4x-4y=-2 -9x-4y=-3

Mathematics

1 answer:

RSB [31]2 years ago

6 0

Answer:

this

answer

will

your

book

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2 years ago

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Someone please help me with #28 and #30 I got myself super confused.

bogdanovich [222]

Question 28:

$S-2\pi r^2=2\pi rh$ Subtract $2\pi r^2$ on both sides

$\frac{S-2\pi r^2}{2\pi r} =h$ Divide $2\pi r$ on both sides

*(Answer)*= $\frac{S-2\pi r^2}{2\pi r} =h$

Question 30:

$a*t=v_{1}+v_{0}$ Multiply $t$ on both sides

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3 years ago

Lim x--> 0 (e^x(sinx)(tax))/x^2

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Make use of the known limit,

$\displaystyle\lim_{x\to0}\frac{\sin x}x=1$

We have

$\displaystyle\lim_{x\to0}\frac{e^x\sin x\tan x}{x^2}=\left(\lim_{x\to0}\frac{e^x}{\cos x}\right)\left(\lim_{x\to0}\frac{\sin^2x}{x^2}\right)$

since $\tan x=\dfrac{\sin x}{\cos x}$ , and the limit of a product is the same as the product of limits.

$\dfrac{e^x}{\cos x}$ is continuous at $x=0$ , and $\dfrac{e^0}{\cos 0}=1$ . The remaining limit is also 1, since

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so the overall limit is 1.

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3 years ago

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2 years ago

Find f(-10) F(x) =7x-5 A= -75 B=-65 C=65 D=90

STALIN [3.7K]

Answer:

-75

Step-by-step explanation:

f(-10) = 7(-10) - 5

f(-10) = -70 - 5

f(-10) = -75

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3 years ago

4x-4y=-2 -9x-4y=-3 ​

4x-4y=-2 -9x-4y=-3