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murzikaleks [220]
3 years ago
7

Two and one half times the sum of nine and twelve

Mathematics
1 answer:
ankoles [38]3 years ago
8 0
2.5 x (9+12) = 52.5

Hope that helps!
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2 years ago
5 times the sum of x and 6
Rina8888 [55]
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3 years ago
What is 80% of 35? (EXTRA CHARACTERS)
andrey2020 [161]
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2 years ago
Read 2 more answers
Los lados de un triángulo rectángulo tienen por medida tres números enteros consecutivos. Calcula los lados del triángulo.
elixir [45]

Answer:

Los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

Step-by-step explanation:

Un triángulo rectángulo puede ser descrito mediante el teorema de Pitágoras, para el caso de tres lados representando tres números enteros consecutivos, tenemos que:

(n+2)^{2} = n^{2} + (n+1)^{2} (1)

Donde n es un número natural.

A continuación, expandimos la expresión y resolvemos:

n^{2}+4\cdot n +4 = n^{2} + n^{2} +2\cdot n + 1

n^{2}-2\cdot n -3 = 0

(n -3) \cdot (n+1) = 0

La única solución factible es n = 3. En consecuencia, los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

4 0
3 years ago
Alpha bought 4 pies, which he plans to share with a group of his friends. If there is exactly enough to give each member of the
Gnesinka [82]
There are 24 people, there are 4 pies and they each get 1/6th, 4x6=26

The entire race was 8 hours. If 3/4th of the race was 6 hours, 6/3=2 meaning 1/4th of the race is 2 hours and the full thing being 8.
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2 years ago
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