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3 years ago

Which expression is equivalent to 2(6v)

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

8 0

Answer:

12v

Step-by-step explanation:

2 x (6v)

Remove unnecessary parentheses.

<u>2 x 6</u>v

Calculate the product by multiplying the numbers.

12v

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Half of the boys in mrs.patricks homeroom 1/4 of them wear glasses how many boys in mrs.patricks homeroom wear glasses

goldfiish [28.3K]

Answer:

ummm be more specific and i can answer it for u!

Step-by-step explanation:

5 0

3 years ago

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

grin007 [14]

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

5 0

3 years ago

Find the slope of the line containing the pair of points. (5,-7) and (-4,-4)

hjlf

Answer:

1/-3

Step-by-step explanation:

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3 years ago

What is 500 time 200 i konw it do you

Eva8 [605]

Answer:

100,000

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Every digits + 798 is greater than any digit in 4325 explain why 4325 is greater than 798

maks197457 [2]

<span>It's because there are 4 numbers in 4325, and only 3 in 798.

Hope I Helped You!!! :-)

Have A Good Day!!!</span>

8 0

3 years ago