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nadya68 [22]
3 years ago
10

Question 1

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

(B)15,36,39

Step-by-step explanation:

To determine which of the line segments could create a Right Triangle, we check if it satisfies the Pythagoras Theorem, taking the longest part to be the Hypotenuse in all cases.

By Pythagoras Theorem: Hypotenuse^2=Opposite^2+Adjacent^2

In  15,30,35

35^2\neq 15^2+30^2\\1225\neq 1125

In 15,36,39

39^2=36^2+15^2\\1521=1521

In 15, 20, 29

29^2\neq 15^2+20^2\\841\neq 625

In 5,15,30

30^2\neq 15^2+5^2\\900\neq 250

We can see that only 15,36,39 satisfies the required condition and thus it could be used to create a right triangle.

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25

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X is 25 in this case
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A ladder is placed against the side of a house. The top of the ladder is 12 feet above the ground. The base of the ladder is 5 f
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The equation would be
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2 years ago
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kiruha [24]

Answer:

<em>After </em><em>47</em><em> days she will have more than 90 trillion pennies.</em>

Step-by-step explanation:

At the beginning there was 1 penny. At the second day the amount of pennies under the pillow became 2.

The amount of pennies doubled each day. So the series is,

1,2,4,8,16,32,.....

This series is in geometric progression.

As the pennies from each of the previous days are not being stored away until more pennies magically appear so the sum of series will be,

S_n=\dfrac{a(r^n-1)}{r-1}

where,

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r = common ratio = 2,

As we have find the number of days that would elapse before she has a total of more than 90 trillion, so

\Rightarrow 90\times 10^{12}\le \dfrac{1(2^n-1)}{2-1}

\Rightarrow 90\times 10^{12}\le \dfrac{2^n-1}{1}

\Rightarrow 90\times 10^{12}\le 2^n-1

\Rightarrow 2^n\ge 90\times 10^{12}+1

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\Rightarrow n \ge 46.4

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8 0
3 years ago
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Answer:

.01

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3 years ago
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