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irakobra [83]
4 years ago
12

Cans some one help this stinks so bad.

Mathematics
1 answer:
Darya [45]4 years ago
4 0

Answer:

5,652,000

Step-by-step explanation:

1. Simplify 1/3 * 3.14

you'll end up with 3.14/3

2. Divide 3.14 by 3

this will give you 1.046

3. Raise 150 to the power of 2.

you now have 22,500

your equation is now: 1.046 * 22,500 * 240

4. Multiply 1.046 by 22,500

your equation is now 23,500 * 240

5. Multiply 23,500 by 240

your answer is 5,652,000

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The scientist can use only the angle x and the distance y to calculate the distance between the Earth and the Sun using the cosine function.

cos x = BC / y

Solving for BC

BC = y cos x

BC is the distance between the Earth and the Sun :D

7 0
3 years ago
487 rounded to nearest thousand
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That’s easy if you think about it because 487 isn’t even in the 1000’s so the nearest 1000’s spot. Soo the answer is 1000
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The top and bottom margins of a poster are each 12 cm and the side margins are each 8 cm. The area of printed material on the po
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Answer:

Dimensions of printed poster are

length is 32 cm

width is 48 cm


Step-by-step explanation:

Let's assume

length of printed poster is x cm

width of printed poster is y cm

now, we can find area of printed poster

so, area of printed poster is

=xy

we are given that area as 1536

so, we can set it to 1536

xy=1536

now, we can solve for y

y=\frac{1536}{x}

now, we are given

The top and bottom margins of a poster are each 12 cm and the side margins are each 8 cm

so, total area of poster is

A=(8+x+8)\times (12+y+12)

A=(x+16)\times (y+24)

now, we can plug back y

A=(x+16)\times (\frac{1536}{x}+24)

now, we have to minimize A

so, we will find derivative

A'=\frac{d}{dx}\left(\left(x+16\right)\left(\frac{1536}{x}+24\right)\right)

we can use product rule

A'=\frac{d}{dx}\left(x+16\right)\left(\frac{1536}{x}+24\right)+\frac{d}{dx}\left(\frac{1536}{x}+24\right)\left(x+16\right)

=\frac{d}{dx}\left(x+16\right)\left(\frac{1536}{x}+24\right)+\frac{d}{dx}\left(\frac{1536}{x}+24\right)\left(x+16\right)

now, we can simplify it

A'=-\frac{24576}{x^2}+24

now, we can set it to 0

and then we can solve for x

A'=-\frac{24576}{x^2}+24=0

-\frac{24576}{x^2}x^2+24x^2=0\cdot \:x^2

-24576+24x^2=0

x=32,\:x=-32

Since, x is dimension

and dimension can never be negative

so, we will only consider positive value

x=32

now, we can solve for y

y=\frac{1536}{32}

y=48

so, dimensions of printed poster are

length is 32 cm

width is 48 cm


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