3 years ago

Please help me with the question please ASAP ASAP please ASAP

Mathematics

1 answer:

Rudiy273 years ago

3 0

Answer:

V = 672; SA = 544; LA = 448

Step-by-step explanation:

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What’s another way to write the equation (40x4)-(32x4)=32

zysi [14]

Answer:

160-128=32

Step-by-step explanation:

distribute what is in the parentheses

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2 years ago

Write an equation of the line with a slope of — 7 and y-intercept of 1.

loris [4]

Answer:

y= -7x + 1

Step-by-step explanation:

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3 years ago

Which is the simplified rational expression for r2-4r+5/r-4

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Step-by-step explanation:

$\frac{ {r}^{2} - 4r + 5}{r - 4} - \frac{ {r}^{2} + 2r - 8}{r - 4} \\ = \frac{ ({r}^{2} - 4r + 5) - ( {r}^{2} + 2r - 8) }{r + 4} \\ = \frac{ {r}^{2} - {r}^{2} - 4r - 2r + 5 - 8 }{r - 4} \\ = \frac{ - 6r - 3}{r - 4}$

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3 years ago

Please help Which expressions are equivalent to the given complex number?

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3 years ago

Suppose that f(x,y) is a smooth function and that its partial derivatives have the values, fx(−7,−2)=−1 and fy(−7,−2)=3. Given t

yarga [219]

Answer:

$f(-6,-1) =0$

Step-by-step explanation:

We are given the following in the question:

$f_x(-7,-2)=-1\\f_y(-7,-2)=3\\f(-7,-2)=-2$

We have to estimate the value of f(-6,-1)

By Taylor approximation we have:

$f(x,y) =f(-7,-2)+ f_x(-7,-2)(x+7) + f_y(-7,-2)(y+2)\\f(x,y) = -2 + (-1)(x+7) + 3(y+2)\\f(x,y) = -2-x-7+3y+6\\f(x,y) = -x+3y-3$

Now, putting values, we get,

$f(x,y) = -x+3y-3\\f(-6,-1) = -(-6)+3(-1)-3\\f(-6,-1) =0$

is the required value.

5 0

3 years ago