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3 years ago

5

Use the slider to change the values of a, B, and C in the sine function. Which equation has a maximum at (-pi/4,3) and a minimum

at (pi/4,-3)?

1 answer:

Kazeer [188]3 years ago

6 0

Answer: The answer is y= -3 sin(2x) which is C

Step-by-step explanation:

Because I got it right

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If 1900 square centimeters of material are available to make a box with a square base and an open top, find the largest possible

Evgen [1.6K]

Answer:

Volume = $7969$ cubic centimeter

Step-by-step explanation:

Let the length of each side of the base of the box be A and the height of the box be H.

Area of material required to make the box is equal to is $A^2 + 4*A*H.$

$A^2 + 4*A*H = 1900$

Rearranging the above equation, we get -

$`H = \frac{(1900 - A^2)}{(4*A)}$

Volume of box is equal to product of base area of box and the height of the box -

$V = A*A* H$

Substituting the given area we get -

$\frac{A^2*(1900 - A^2)}{4A} = \frac{(1900*A - A^3)}{4}$

For maximum volume

$\frac{dV}{dA} =0$

$\frac{ 1900}{4} - \frac{3*A^2}{4} = 0$

$A^2 = \frac{1900}{3}$

Volume of the box

= $\frac{\frac{1900}{3}*(1900 - \frac{1900}{3}) }{4 * \sqrt{\frac{1900}{3} } }$

= $7969$ cubic centimeter

3 0

3 years ago

Factor 3x^3 - 15x^2 + 18x.

Usimov [2.4K]

Step-by-step explanation:

3 x^3-15x^2+18x 3(x^3-5x^2+6x)

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3 years ago

Actorize Completely PQ+ PR - RQ -Q²

sp2606 [1]

Answer:

(Q + R)(P - Q)

Step-by-step explanation:

PQ + PR - RQ - Q² = (Q + R)(P - Q)

8 0

2 years ago

I suck at this stuff can someone help me out? thank you!

avanturin [10]

A) h=9.9
if that's not correct, i've done these before, i don't know why it wouldn't work?

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4 years ago

4. Find the area of the triangle whose breadth is 48 cm and height is 5cm

ryzh [129]

Answer:120

Step-by-step explanation:

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3 years ago

Read 2 more answers