3 years ago

Determine the form of the quadratic below:

Mathematics

1 answer:

Julli [10]3 years ago

4 0

The answer is B! Hoped I help

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At maximum speed, an airplane travels 1720 miles against the wind in 5 hr, the plane can travel the same distance in 4 hr

gregori [183]

The answer would be 430mph.

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3 years ago

Two caseworkers share an office. The first caseworker has fifteen active cases. The second caseworker has twice the number of ac

Tems11 [23]

Answer:

Step-by-step explanation:

first caseworker = 15 active cases

second caseworker = 2 x number of active cases

= 2 x 15

= 30 active cases

∴ number of active cases the office have = 15 + 30

= 45

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3 years ago

Find the area of the trapezoid

Shalnov [3]

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3 years ago

Tanner plans to make 11 liters of blackberry punch and 18 liters of lemon-lime punch for the class party. He also plans to make

vivado [14]

Answer:

464 students

Step-by-step explanation:

So in all he has 29 liters of punch

11L blackberry punch

18L Lemon line punch

29L collectively

so if 1 liter is enough for 16 students we would multiply 16 students by 29 liters of punch giving you 464.

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3 years ago

This extreme value problem has a solution with both a maximum value and a minimum value. use lagrange multipliers to find the ex

noname [10]

$L(x,y,z,\lambda)=10x+10y+2z+\lambda(5x^2+5y^2+2z^2-42)$

$L_x=10+10\lambda x=0\implies1+\lambda x=0$

$L_y=10+10\lambda y=0\implies1+\lambda y=0$

$L_z=2+4\lambda z=0\implies1+2\lambda z=0$

$L_\lambda=5x^2+5y^2+2z^2-42=0$

$\begin{cases}L_x=0\\L_y=0\\L_z=0\end{cases}\implies1+\lambda x=1+\lambda y=1+2\lambda z=0\implies x=y=2z$

$5x^2+5y^2+2z^2=5(2z)^2+5(2z)^2+2z^2=42z^2=42\implies z^2=1$

$z^2=1\implies z=\pm1\implies x=y=\pm2$

There are two critical points, at which we have

$f\left(2,2,1\right)=42\text{ (a maximum value)}$

$f\left(-2,-2,-1\right)=-42\text{ (a minimum value)}$

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4 years ago