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Darina [25.2K]
3 years ago
10

What is the volume of a sphere with a radius of 9 inches

Mathematics
2 answers:
nata0808 [166]3 years ago
8 0
4/3 *pie *9*9*9=972pie
erica [24]3 years ago
6 0
I got 972 pi, the formula for the volume of a sphere is 4/3pi r cubed. r=radius
9×9×9=729,
729×4/3=972
therefore being 972 pi
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TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, TechWiz sold a c
Svetllana [295]

Let x be the number of MP3 players TechWiz sold last week.

If TechWiz sold in total 130 MP3 and DVD players, then it sold (130-x) DVD players.

1. TechWiz Electronics makes a profit of $35 for each MP3 player sold, then it makes a profit $35x for x MP3 players sold.

2. TechWiz Electronics makes a profit of  $18 for each DVD player sold , then it makes a profit $18(130-x) for (130-x) DVD players sold.

3. An expression for the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week is

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You can simplify it:

35x+2,340-18x=17x+2,340

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8 0
3 years ago
These are all my points, if you can do every single question you will get 55 points
Arturiano [62]

1) 6

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8 0
3 years ago
I don’t know how to solve these can someone explain ?
mojhsa [17]
The answer is 136 :)
3 0
3 years ago
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Write the standard form of the line that passes through the given points. Include your work in your final answer. Type your answ
I am Lyosha [343]

Answer:

|x   y   1|

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Step-by-step explanation:

6 0
2 years ago
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