3 years ago

I don't understand Which of the following expressions is equal to m4?

Mathematics

1 answer:

GarryVolchara [31]3 years ago

8 0

Answer:

Step-by-step explanation:

If it’s m^4 it would be c since an exponent means you multiply the m by itself 4 times.

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Can someone help me please

pishuonlain [190]

Answer:

Step-by-step explanation:

36+88+y=180

124+y=180

y=180-124

x+90+56=180

x+146=180

x=180-146

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2 years ago

An eight grader has 18 coins in her pocket. The coins are all dimes and quarters. Their total value is 2.85. Find how much of ea

Luda [366]

Answer:

1 dimes and 9 quarters

Step-by-step explanation:

9 quarters = 2.75

1 dime = 10c

all together equals 2.85

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2 years ago

(32 minus 20) divided by 4

aalyn [17]

The answer is 3. I hope this helps!

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3 years ago

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Umnica [9.8K]

Alrigth and B....

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3 years ago

What is the maximum volume in cubic inches of an open box to be made from a 12-inch by 16-inch piece of cardboard by cutting out

Romashka-Z-Leto [24]

If you start with a 12x16 rectangle and cut square with side length x, when you bend the sides you'll have an inner rectangle with sides $12-2x$ and $16-2x$ , and a height of x.

So, the volume will be given by the product of the dimensions, i.e.

$(12-2x)(16-2x)x = 4x^3-56x^2+192x$

The derivative of this function is

$12x^2-112x+192$

and it equals zero if and only if

$12x^2-112x+192=0 \iff x = \dfrac{14\pm 2\sqrt{13}}{3}$

If we evaluate the volume function at these points, we have

$f\left(\dfrac{14-2\sqrt{13}}{3}\right) = \dfrac{64}{27}(35+13\sqrt{13})> f\left(\dfrac{14-2\sqrt{13}}{3}\right) = -\dfrac{64}{27}(13\sqrt{13}-35)$

So, the maximum volume is given if you cut a square with side length

$x=\dfrac{14-2\sqrt{13}}{3}\approx 2.7$

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3 years ago