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Pani-rosa [81]
2 years ago
9

Will somebody please help me with my answer below???? i need it fast :)

Mathematics
2 answers:
alexgriva [62]2 years ago
8 0

Answer:

There is no problem

Step-by-step explanation:

iragen [17]2 years ago
3 0

Answer:

Step-by-step explanation:

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Which of the following expressions represents the phrase “twice the sum of a number and 5”
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2(x+5)

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3 years ago
WILL MARK BRAINLIEST!!
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Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=x+4y subject to the constraint x2+y2=9, if such values
Vesnalui [34]

The Lagrangian is

L(x,y,\lambda)=x+4y+\lambda(x^2+y^2-9)

with critical points where the partial derivatives vanish.

L_x=1+2\lambda x=0\implies x=-\dfrac1{2\lambda}

L_y=4+2\lambda y=0\implies y=-\dfrac2\lambda

L_\lambda=x^2+y^2-9=0

Substitute x,y into the last equation and solve for \lambda:

\left(-\dfrac1{2\lambda}\right)^2+\left(-\dfrac2\lambda\right)^2=9\implies\lambda=\pm\dfrac{\sqrt{17}}6

Then we get two critical points,

(x,y)=\left(-\dfrac3{\sqrt{17}},-\dfrac{12}{\sqrt{17}}\right)\text{ and }(x,y)=\left(\dfrac3{\sqrt{17}},\dfrac{12}{\sqrt{17}}\right)

We get an absolute maximum of 3\sqrt{17}\approx12.369 at the second point, and an absolute minimum of -3\sqrt{17}\approx-12.369 at the first point.

4 0
2 years ago
Myra won the hurdles event for the seventh graders. She completed the race in 22.8 seconds and knocked down 1 hurdle. Byron won
gregori [183]

Answer:

Myra: 24.8s (winner) Byron: 26.3s

Step-by-step explanation:

plz make as crown if someone else answer's

6 0
2 years ago
Express the following in scientific notation:<br> .000457
WARRIOR [948]

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4.57  x 10^{4}

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3 years ago
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