3 years ago

IXL HELP ASAP TYSM GOD BLESS YOU AND YOUR FAMILY ASAP TYSM 10 BRAINLY POINTS TYSM ASAP

Mathematics

1 answer:

Svetradugi [14.3K]3 years ago

8 0

Answer:

Area is 20 yards

Step-by-step explanation:

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A scale reports a 15-pound weight as weighing 12.375 pounds.

Kruka [31]

B. Accuracy is if it's right or not. Precision is how many decimal places it goes out to. So it is precise but not accurate.

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3 years ago

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Two less than the product of a number and -5 is -42.

Helga [31]

Answer:

Step-by-step explanation:

(p*-5)-2=-42

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-5p/-5=-40/-5

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3 years ago

When one half of a number is added to one third of a number, the answer is 30. find the number

ANTONII [103]

Answer 36

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3 years ago

Can someone plz help me? :(

TiliK225 [7]

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2 years ago

Let w = x2 + y2 + z2, x = uv, y = u cos(v), z = u sin(v). use the chain rule to find ∂w ∂u when (u, v) = (9, 0).

jasenka [17]

By the chain rule,

$\dfrac{\partial w}{\partial u}=\dfrac{\partial w}{\partial x}\cdot\dfrac{\partial x}{\partial u}+\dfrac{\partial w}{\partial y}\cdot\dfrac{\partial y}{\partial u}+\dfrac{\partial w}{\partial z}\cdot\dfrac{\partial z}{\partial u}$
$\dfrac{\partial w}{\partial u}=2xv+2y\cos v+2z\sin v$

We also have $x(9,0)=0$ , $y(9,0)=9$ , and $z(9,0)=0$ , so at this point we get

$\dfrac{\partial w}{\partial u}(9,0)=2\cdot9\cdot\cos0=18$

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4 years ago