3 years ago

Jada drew a net for a polyhedron and calculated its surface area.

Mathematics

2 answers:

ruslelena [56]3 years ago

7 0

Answer:72

Step-by-step explanation:

Levart [38]3 years ago

4 0

the answer is 72 that's what I got when I did the math

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The image below is a triangle drawn inside a circle with center O:Which of the following expressions shows the area, in square i

zaharov [31]

The Area of a circle =π.R² (R=radius). & π 3.14

Since you didn't give the length of the Radius, then the area of the circle=3.14R²

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3 years ago

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Taya2010 [7]

The answer would be Y=5x-5

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3 years ago

Use Lagrange multipliers to find the maximum and minimum values of

marusya05 [52]

The Lagrangian is

$L(x,y,\lambda)=x+8y+\lambda(x^2+y^2-4)$

It has critical points where the first order derivatives vanish:

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

$L_y=8+2\lambda y=0\implies\lambda=-\dfrac4y$

$L_\lambda=x^2+y^2-4=0$

From the first two equations we get

$-\dfrac1{2x}=-\dfrac4y\implies y=8x$

Then

$x^2+y^2=65x^2=4\implies x=\pm\dfrac2{\sqrt{65}}\implies y=\pm\dfrac{16}{\sqrt{65}}$

At these critical points, we have

$f\left(\dfrac2{\sqrt{65}},\dfrac{16}{\sqrt{65}}\right)=2\sqrt{65}\approx16.125$ (maximum)

$f\left(-\dfrac2{\sqrt{65}},-\dfrac{16}{\sqrt{65}}\right)=-2\sqrt{65}\approx-16.125$ (minimum)

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3 years ago

2. Which is equivalent to the calculator output 8.954 E - 15?

anyanavicka [17]

Answer: 8.954 x 10^-15

Step-by-step explanation:

i took a test with this question and this was the answer

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2 years ago

Please help me with this problem I will give brainliest

leva [86]

Answer:

second and last one

Step-by-step explanation:

the less a negative the closer it is to zero which means it's closer to being a positive

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3 years ago

Read 2 more answers