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iogann1982 [59]
3 years ago
13

A credit card is 0.76 mm thick. How thick is a stack of 10*3 credit cards? Explain your reasoning.

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer: 760 mm thick

Step-by-step explanation: Because 10 cubed equals 1000, just multiply .76 by 1000 and you get your answer.

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tiny-mole [99]

Answer:

Option D. -1 and 0

Step-by-step explanation:

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miskamm [114]

The correct option will be :  B) 6 cm.

<u><em>Explanation</em></u>

Suppose, the width of the rectangle is x cm.

As, the length is 6 cm longer than the width, so the length will be: (x+6) cm.

<u>Formula for the Area of rectangle</u> is: (Length)*(Width)

Given that, the area of a rectangle is 72 cm²

So....

x(x+6)=72\\ \\ x^2+6x-72=0\\ \\ (x+12)(x-6)=0

Using zero-product property, we will get...

x+12=0\\ x= -12 <em>(Negative value is ignored as width can't be negative)</em>

and

x-6=0\\ x=6

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6 0
3 years ago
Christina describes her shape. She says it has 3 equal sides that are each 4 centimeters in length. It has no right angles. Do u
Salsk061 [2.6K]


draw an equilateral triangle that has a side length of all 4cm


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A bacterium cell splits into 2 cells every hour. Write and evaluate an exponential expression to find how many cells there will
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Answer:

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Let her sisters age be x.
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