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hodyreva [135]
3 years ago
8

1\2+ 1/4 rasultado y explicasion​

Mathematics
2 answers:
ycow [4]3 years ago
7 0

Answer:

\frac{3}{4}

Step-by-step explanation:

Simplemente agregue usando la calculadora y debería obtener esta respuesta. ;)

goldenfox [79]3 years ago
4 0
I think it’s .75. Or like someone said 3/4
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Invasive species often experience exponential population growth when introduced into a new environment. Zebra mussels are an inv
Oliga [24]

Answer:

If ‘a’ is the initial population of the Zebra mussels, then every six months, the population of Zebra mussels quadruples, i.e. it becomes 4a. In t years, i.e. in 2t intervals of 6 months each, the population of Zebra mussels can be computed with the help of a geometric series a, ar, ar2, ar3, …. arn-1 ( the series being finite with n terms) where a is the 1st term , r is the common ratio and n is the number of terms in the series..

Here, in 2t years, there will be 2t + 1 terms in the geometric series including the initial term. Thus in the above series, a = 10, r = 4 and n = 2t + 1. Then the population of the Zebra mussels after 2t years is the (2t +1)st term of the geometric series I.e. 10* ( 42t)                  

In 15 months, t = 15/12 = 1.25. Then the population of Zebra mussels after 15 months will be 10*(42.5 ) = 10 * 25 = 320

If after t years, the population of the Zebra mussels become 1 million , then we have

1000000 = 10 * (42t) or, 100000= 42t or,105 = 42t    Taking logarithms of both sides, we have 5 log 10 = 2t log 4 or, t = (5log10)/(2log4) = 5/1.20 years or (5/1.20) * 12 months = 50 months, i.e. 4 years and 2 months.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Pilar ha comprado un coche, da una entrada y lo quiere pagar en 12 meses. Cada mes va a pagar 600,82€. Si ha dado al principio u
Molodets [167]

Answer:

Pilar va a pagar en total por el coche 14209.84€.

Step-by-step explanation:

Pilar ha comprado un coche, da una entrada y lo quiere pagar en 12 meses.

Cada mes va a pagar 600,82€. Como lo quiere pagar en doce meses, luego de finalizado ese tiempo el precio pagado se calcula como:

12 meses* 600,82€ por mes= 7209,84€

Por otro lado, Pilar ha dado al principio una entrada de 7000€. Entonces, el total a pagar por el coche es calculado como:

7000€ + 7209,84€= 14209.84€

<u><em>Pilar va a pagar en total por el coche 14209.84€.</em></u>

7 0
3 years ago
Account A has a simple annual interest rate of 2% and Account B has a simple annual interest rate of 3.5%. How much more interes
Nookie1986 [14]

9514 1404 393

Answer:

  0.015x

Step-by-step explanation:

The amounts earned at the different rates are ...

  at 2%: 0.02x

  at 3.5%: 0.035x

The difference in earnings is ...

  0.035x -0.02x = 0.015x

4 0
2 years ago
HELP ASAP!! How can you tell if three positive numbers form a Pythagorean triple?
Advocard [28]

The formula for the Pythagorean therom is: a[tex] a^{2} + b^{2} = c^{2}  

So, If a^{2} and b^{2} add up to c^{2} than it is a Pythagorean triple.

8 0
3 years ago
Read 2 more answers
HELP I NEED HELP ASAP
antoniya [11.8K]
The width is w. the length is 2w - 4. to find area we would multiply these two together: w(2w - 4) & make sure to distribute the w to the 2w AND the -4. so the answer to this question would be 2w^2 - 4w (c). hope this helps!
6 0
3 years ago
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