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2 years ago

What is the percent of the cars were going above 80 mph!

Mathematics

2 answers:

timama [110]2 years ago

8 0

i took the time to do this and it says it was wrong-

Rom4ik [11]2 years ago

4 0

I think its 11% because you need to add everything, divide by 100 and multiply the number

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2 years ago

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3 years ago

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3 years ago

What is the mean ? i don’t need work but it could help

lapo4ka [179]

Answer:

The median is the middle number; found by ordering all data points and picking out the one in the middle.

You want to put the numbers in order:

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3 years ago

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1 The metal used to make a coin is a mixture of steel and copper. The ratio mass of steel

Masteriza [31]

$\huge{ \underline{ \underline{ \gray{ \bf{Solution:}}}}}$

Let,

Mass of the steel be 108x
Mass of the copper be 7x
Then, Total mass = 108x + 7x = 115x

Given,

Total mass of the coin = 230 mg

That means,

⇛ Total mass of the coin = 230 mg

⇛ 115x = 230 mg

⇛ x = 230 mg/115

⇛ x = 2 mg

Then,

Mass of the steel = 108(2) = 216 mg
Mass of the copper = 7(2) = 14 mg

☁️ ANSWER - 14 mg (Mass of copper)

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3 years ago