2 years ago

Each locker is shaped like a rectangular prism. Which has more storage space? explain/

1 answer:

4 0

Locker 1 has more storage space because it has a greater volume.
The volume of locker 1 is 8,640 (48x15x12)
The volume of locker 2 is 7,200 (60x10x12)

I hope this helps.

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Wes walks from home to a friend's house to borrow a bicycle, and then rides the bicycle home along the same route. By walking at

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<span>34.15 minutes is how long he traveled on foot.</span>

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2 years ago

Which values of x and y would make the following expression represent a real number? (4+5i)(x+yi)

algol [13]

Answer:

So x=4 and y=-5 would work.

Step-by-step explanation:

When you multiply complex conjugates, you get a real result.

Example:

$(a+bi)(a-bi)=a^2-b^2i^2=a^2+b^2$

I replace $i^2$ with -1 since $i^2=-1$ .

$a^2+b^2$ is a real number (there is no imaginary part, no i).

So what is the conjugate of 4+5i?

4-5i

So x=4 and y=-5 would work.

A multiple of the complex conjugate would work as well.

$(a+bi)(ca-cbi)$

$c(a+bi)(a-bi)$

$c(a^2-b^2i^2)$

$c(a^2+b^2)$

This is still a real number; there is no imaginary part,no i.

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2 years ago

2) James spent $65 for n books. Write an expression that can be used to find the cost of

Zina [86]

Answer:

65 ÷ n

Step-by-step explanation:

If you already knew the cost of one book, you would do:

cost of 1 book x n = 65

However, you do not know the cost, so you have to do the opposite of multiplying the cost, which is dividing.

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Jerry has an insurance policy with a premium of $150 per month. In June, he’s in an accident and receives a bill with a total co

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I think 2150 is the cost he pay

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Write the equation of the line with the following characteristics through the origin and the point (2,2)

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Y = X

Because the origin is 0,0 and the point is 2,2.

In order to get from 0,0 to 2,2 with a line, it must have equal increments of the Y as the X.

In y=mx+b form, you’d have y = 1x+0 which just simplified to what I already stated: y=x

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2 years ago