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3 years ago

11

thhen isabella filled 3 more pages with 36 photos which she evenly divided between the pages. is the number of photos on one of

these pages more or less than the number on one page in the example problem?

1 answer:

choli [55]3 years ago

7 0

Answer:

less

Step-by-step explanation:

36 divided by 3 is 0.08333333333

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PLEASE HELP! Find the height of a cylinder with a surface area of 108 pi square meters. The radius of the cylinder is twice the

Naily [24]

Assuming the cylinder is closed at both ends
Surface area = 2 pi r^2 + 2 pi r h = 108

now h = r/2 so we have:-

2pi r^2 + pi r^2= 108

3 pi r^2 = 108
r^2 = 11.459
r = 3.385
so the height h = 1.693 m to nearest thousandth

7 0

3 years ago

A pile of newspapers in Ms.

xz_007 [3.2K]

Answer:

102

Step-by-step explanation:

4times 7=28. 28times4=102

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3 years ago

A printer has a contract to print 100,000 posters for a political candidate. He can run the posters by using any number of plate

yulyashka [42]

Answer:

25

Step-by-step explanation:

From the given information;

Numbers of posters that can be printed in an hour = no of impression/hour × no of plate utilized in each impression.

= 1000x

Thus, the required number of hours it will take can be computed as:

$\implies \dfrac{100000}{1000x} \\ \\ =\dfrac{100}{x}$

cost per hour = 125

If each plate costs $20 to make, then the total number of plate will equal to 40x

∴

The total cost can be computed as:

$C(x) = (\dfrac{100}{x}) \times 125 + 20 x --- (1)$

$C'(x) = (-\dfrac{12500}{x^2}) + 20 --- (2)$

At C'(x) = 0

$\dfrac{12500}{x^2} = 20$

$\dfrac{12500}{20} = x^2$

$x^2= 625$

$x = \sqrt{625}$

x = 25

$C'' (x) = -12500 \times \dfrac{-2}{x^3} +0$

$C'' (x) = \dfrac{25000}{x^3}$

where; x = 25

$C'' (x) = \dfrac{25000}{25^3}$

C''(x) = 1.6

Thus, at x = 25, C'' > 0

As such, to minimize the cost, the printer needs to make 25 metal plates.

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3 years ago

How has math shaped our culture

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I like math so i think it's good for me

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3 years ago

I don't understand no this at all

Katena32 [7]

Answer:

Just get the perimeter of the smaller rectangle then times it by 4

Step-by-step explanation:

i tried to use a calculator but i cant do the perimeter of the smaller triangle because i dont know what x is sorry ill try to figure it out.

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3 years ago