3 years ago

write an equation of the parabola in intercept form that passes through (14,4) with x intercepts of 12 and -6

Mathematics

1 answer:

Mademuasel [1]3 years ago

4 0

Answer:

i need the answer to pleasee... asnwer this question

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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

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

7 0

4 years ago

Chelsey wants to join a fitness club. The fitness club charges an initial membership fee of $55 and a monthly fee of $19.50. She

Kay [80]

So if you have to pay 55 out front and then continue to pay 19.50 monthly the equation will look like this:
19.50*m + 55 = x
(M stands for month)
She has 250 dollars to spend so add that in for x
<span>19.50*m + 55 = 250.
Use inverse operations.
250-55 and 55-55
19.50*m = 195
195/19.50 and 19.50/19,50
m=10
Your answer is 10</span>

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3 years ago

Wath is the rate and ratio for 3.5hrs and 27 miles and 4 hrs

erastovalidia [21]

Answer:

Hello

Step-by-step explanation:

5 0

3 years ago

Mike says he can find a fraction equivalent tro 1/10, even though 1/10 is a unit fraction. is mike correct? explain

ELEN [110]

No because equivalent is like 5/10 so it's not right