IS THIS RIGHT? PLS HELP!

Mathematics

1 answer:

emmainna [20.7K]2 years ago

4 0

Answer:

Step-by-step explanation:

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10) A cube has width of 10 cm. What is the volume of the cube?

PSYCHO15rus [73]

Volume of the cube is 1000 cm³

Step-by-step explanation:

Step 1: Find the volume of the cube.

Side of the cube = 10 cm

⇒ Volume of the cube =(side)³ = 10³ = 1000 cm³

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3 years ago

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PLEASE ANSWER At a basketball game, 75% of people attending were supporting the home team, while 25% were supporting the visitin

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75% = 0.75

750 people / 0.75 = 1,000 people

There were 1,000 total people attending the game

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2 years ago

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Chris earns a fixed amount of money every month. At the end of 2 years, Chris had earned $86,688. He earned $ each year. He earn

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A store received a shipment of soup cans. The clerk put an equal number of cans on each of 4 shelves. Write an equation to repre

icang [17]

To represent the number of cans in each shelf you will divide the total number of cans by the number of shelves.

This is represented as
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3 years ago

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How many pounds of a 15% copper alloy must be mixed with 700lb of a 30% copper alloy to maybe a 25.5% copper alloy

lisov135 [29]

Answer:

$300\; \rm lb$ .

Step-by-step explanation:

Let $x$ represent the mass (in pounds) of that $15\%$ copper alloy required, such that the final mixture would contain $25.5\%$ copper by mass.

Consider: if $x$ pounds of that $15\%$ copper alloy is mixed with $700$ pounds that $30\%$ copper alloy, what would be the mass of copper in the mixture?

Mass of copper in $x$ pounds of that $15\%$ copper alloy: $(0.15\, x)\; \rm lb$ .
Mass of copper in $700$ pounds of that $30\%$ copper alloy: $700 \times 0.30 = 210\; \rm lb$ .