2 years ago

How do I cancel this account my son graduated in 2020 and I just got charged another year?

Mathematics

1 answer:

Arte-miy333 [17]2 years ago

5 0

Answer:

i'm confused

Step-by-step explanation:

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i am thinking of a number. i multiply 5 and add 55. i get the same answer if i multiply by 9 and subtract 13. what is my number

IceJOKER [234]

Answer:

um maybe 9 you dont really specify what were multiplying bye

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2 years ago

I need help with this problem too

liq [111]

132 drinks were in stock initially

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2 years ago

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Latoya just bought a refrigerator for $931. She paid $139.80 in a down payment and will pay the rest in 4 equal installments. Ho

NARA [144]

Answer:

$197.80

Step-by-step explanation:

$931.00 - $139.80 = $791.20

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2 years ago

Write an equivalent expression by distributing the "-−" sign outside the parentheses: -(7n+0.9)

irinina [24]

Answer:

-7n - .9

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2 years ago

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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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3 years ago