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SashulF [63]
3 years ago
9

A ladder is leaning against the side of a building. The building and the ground form a right angle. How high on the

Mathematics
2 answers:
satela [25.4K]3 years ago
8 0

Answer:

15m

Step-by-step explanation:

(see attached)

Whitepunk [10]3 years ago
8 0
C. 15 respectfully no other answer
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Find all natural numbers n such that 1+3+5+7+...+(2n-1) sum is divisible by 4
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n ∈ natural even numbers

Step-by-step explanation:

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sum of the first n terms :

Sₙ = n/2(a + Uₙ)

Sₙ = n/2(1 + 2n - 1)

Sₙ = n/2(2n)

Sₙ = n²

∴ so, the solution of n is all natural even numbers

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\dfrac{7}{16} \ as \ a \ decimal = 0.4375


Set \ up \ the \ long \ division. 


Calculate \ 70 \div 16, \ which \ is \ 4  \ with \ a \ remainder \ of \ 6.




Bring \ down \ 0, so \ that \ 60 \ is \ large \ enough \ to \ be  \ divided \ by \ 16.




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Bring \ down \ 0, so \ that \ 120 \ is \ large \ enough \ to \ be \ divided \ by \ 16.




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Bring \ down \ 0, so \ that \ 80 \ is \ large \ enough \ to \ be \ divided \ by \ 16.



Calculate \ 80 \div 16, which \ is \ 5. 

<span>
</span>

Decimal = 0.4375&#10;

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Answer:

ez

Step-by-step explanation:

start at the point you were given, and use the slope. remember rise over run.

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7,243 ÷ 4.<br><br> What is the remainder?
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