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omeli [17]
3 years ago
11

You deposited 1700 dollars in a savings account that earns a simple interest rate of 3% per year. how many years do you need to

keep the money in the account to earn $306 in interest
Mathematics
1 answer:
tangare [24]3 years ago
8 0
Interest = principle * rate * time
I = PRT
I = 306
P = 1700
R = 3%....we need it in decimal form = 0.03

now se sub and find T
306 = (1700)(0.03)(T)
306 = 51T
306/51 = T
6 = T....so it would take 6 years
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Answer:

Respuesta D

Step-by-step explanation:

Paola afirma: Todo número compuesto par, se puede escribir como la multiplicación de factores primos.

Esta afirmación es cierta, pues es un caso  de la afirmación de que todo número natural mayor que uno se puede escribir como multiplicación de números primos. A este proceso se le llama descomposición en factores primos.

Edwin afirma: Todo número compuesto impar se puede escribir como la suma de dos números primos.

Esta afirmación es falsa. Note que al sumar dos números impares de la forma 2k+1 y 2m+1 para k distinto de m, se obtiene

2k+1+2m+1 = 2(km+1)

Es decir, la suma de dos números impares es siempre par.

Note que a excepción de 2, todo número primo es impar. Para que esta afirmación fuera cierta, necesariamente tendría que pasar que cualquier número impar k se escriba de la forma p+2 donde p es un número primo. Esto es equivalente que para cualquier número impar k, el número k-2 sea primo.

Basta con dar un ejemplo para ver que esto no pasa. Tomemos k=11. En este caso, k-2 = 9, el cuál no es un número primo. Entonces 11 no se puede  descomponer como la suma de dos números primos.

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2(x-3)^2+10=82 solve by isolating x
Leviafan [203]
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