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3 years ago

6

Is 789 a terminating decimal

1 answer:

algol [13]3 years ago

7 0

No, because a terminating decimal means that it does HAVE a decimal point. if it was a terminating decimal, it would look like 7.89

terminating means "end", if a number
-has a decimal point in it
-doesnt have the repeating sign over top of a number after the decimal (thats a repeating decimal)
then you can conclude that it is a terminating decimal.

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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

The plan of a park is at a scale of 1:5000. Calculate the actual distance between two points if the distance between two points

Svetllana [295]

7 cm: 35000 cm (7*5000)
2.8 cm: 14000 cm (2.8*5000)
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3 years ago

Do u just plot the numbers on the graph like (1,26)???

kvv77 [185]

Answer:

Yes

Step-by-step explanation:

Make sure you plot each number on the right axis. :)

4 0

3 years ago

If the area of a square is 32 ft2, how long is its diagonal?

Tema [17]

Diagonal = 8

D=diagonal

A=area

A=D^/2

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cross multiplication

32x2=D^x1

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7 0

3 years ago

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KIM [24]

-41 would be your answer

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3 years ago