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3 years ago

What is 5 5/7 * 5 5/7

Mathematics

1 answer:

hichkok12 [17]3 years ago

7 0

Answer:

1600/49

Step-by-step explanation:

5 5/7 = 40/7

40/7 * 40/7 = 1600/49

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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

2 years ago

What is the sum1,000+2,000=

Valentin [98]

Answer:

3000

Step-by-step explanation:

1000 + 2000 = 3000

4 0

2 years ago

The diameter of a circle is 9 feet. Find the radius.

slava [35]

The radius is half of the diameter.

9/2=4.5

The radius is 4.5 feet.

Hope this helps!

4 0

3 years ago

Find the solution of y = 5x - 4 for x = -6.

forsale [732]

Answer:

D (-6, -34)

Step-by-step explanation:

y = 5x - 4

Let x = -6

y = 5(-6) - 4

=-30 -4

= -34

x = -6, y= -34

6 0

3 years ago

Read 2 more answers

Complete the point-slope equation of the line through

jek_recluse [69]

Answer:

y +1 = 3/4(x -1)

Step-by-step explanation:

8 0

2 years ago

What is 5 5/7 * 5 5/7​

What is 5 5/7 * 5 5/7