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viva [34]
3 years ago
5

Jessa wanted to buy 4 new pairs of socks and she had $25 to do so. Write the equation that Jessa could use to determine how much

each pair of socks would cost. How much could each pair of socks cost according to your equation? (Show all of your work)
Mathematics
1 answer:
ludmilkaskok [199]3 years ago
6 0

Jessica has $25 to buy 4 new pairs of socks

So the money she spends towards each pair of socks is \frac{25}{4}

So each pair of socks would cost $6.25

Hence if the cost equation for x , where x is the number of socks

c(x) = 6.25x

the cost of one pair mulitplied by the number of pairs needed

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Rudik [331]

Answer:

It is a little bit trivial:

As we know:

Energy sink: is anything that uses energy.

Energy source: is anything that produces energy.

How the caol deposits can be energy sinks? well, you want to extract the coal from those deposits, and to do it, you need to "use energy" (the type of energy can depend on the extraction method, for example, if you use a pickaxe to extract the coal, you are using mechanical energy)

These coals are potential energy sources because coal is an energy source, potential means that, given some circumstances, something can transform into other things.

So potential energy source in this situation means that those coal deposits can be potential energy when we extract the coal and use it as an energy source.

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Leno4ka [110]

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Step-by-step explanation:

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pav-90 [236]

Answer: False

=============================================

Explanation:

I'll use x in place of p.

The original equation 10x^2-5x = -8 becomes 10x^2-5x+8 = 0 after moving everything to one side.

Compare this to ax^2+bx+c = 0

We have

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Plug those three values into the discriminant formula below

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The discriminant is negative, which means we have no real solutions. If your teacher has covered complex or imaginary numbers, then you would say that the quadratic has 2 complex roots. If your teacher hasn't covered this topic yet, then you'd simply say "no real solutions".

Either way, this quadratic doesn't have exactly one solution. That only occurs when d = 0. Therefore, the original statement is false.

6 0
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Vinil7 [7]

Answer:

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Count:

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6 0
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Answer:

A geometric diagram of the two shadows and the height of the two people are shown below.

Step-by-step explanation:

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