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alekssr [168]
3 years ago
7

Select the coin which cannot be used by itself to count 0.75.

Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0
It is a dime cause a dime is 10¢ and you cannot divide 75 by 10 you get a decimal
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A building is 5 feet tall. the base of the ladder is 8 feet from the building. how tall must a ladder be to reach the top of the
iris [78.8K]

The ladder must be 9.4 ft to reach the top of the building

Here, we want to get the length of the ladder that will reach the top of the building

Firstly, we need a diagrammatic representation

We have this as;

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We simply will make use of Pythagoras' theorem which states that the square of the hypotenuse is equal to the sum of the squares of the two other sides

Thus, we have;

\begin{gathered} x^2=5^2+8^2 \\ x^2=\text{ 25 + 64} \\ x^2\text{ = 89} \\ x=\text{ }\sqrt[]{89} \\ x\text{ = 9.4 ft} \end{gathered}

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1 year ago
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irinina [24]

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Step-by-step explanation:

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4 0
3 years ago
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puteri [66]
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