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ra1l [238]
3 years ago
10

How to find mean and standard deviation for binomial distribution?

Mathematics
1 answer:
denis-greek [22]3 years ago
6 0
Thanks for the points oh and idk
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. Ana tiene el triple de edad que su hijo Jaime. Dentro de 15 años, la edad de Ana será el doble que la de su hijo. ¿Cuántos año
poizon [28]

Answer:

La madre de Jaime tiene 30 años más que él.

Step-by-step explanation:

Llamemos x a la edad actual de Jaime, si la edad actual de Ana es el triple que la de Jaime, entonces la edad actual de Ana es 3x.

Dentro de 15 años, la edad de Jaime será x+15 (edad actual más 15 años) y usando el mismo razonamiento, la edad de Ana será 3x + 15.

Por otro lado el problema nos dice que dentro de 15 años, la edad de Ana (que ya sabemos que será 3x + 15) será igual al doble de la que tendrá su hijo en 15 años. Esto en forma de ecuación se representa:

3x+15=2(x+15) (la edad de Ana será igual que el doble de la de su hijo)

Resolviendo la ecuación:

3x+15= 2(x+15)\\3x+15=2x+30\\3x-2x=30-15\\x=15

Por lo tanto, Jaime tiene 15 años y su madre tiene 3x=3(15)=45 años. Por lo tanto la diferencia de edad es de 30 años y Ana tiene 30 años más que su Jaime.

3 0
3 years ago
When a grizzly bear hibernates, it's heart rate drops to 10 beats per minute. Which is 20% of it's normal value What is a grizzl
Alex Ar [27]

Answer:

  50 beats per minute

Step-by-step explanation:

10 bpm = 0.20 × (normal heart rate) . . . . . . . . . . . . 10 bpm is 20% of normal

(10 bpm)/0.20 = (normal heart rate) = 50 bpm . . . . . divide by the coefficient of the variable

The bear's normal heart rate is 50 beats per minute.

6 0
4 years ago
Which set of equations has (5.0) as its solution?<br> A and B<br> OC and D<br> OB and D<br> A and D
Elodia [21]

Answer:

I believe A. A and B is the correct answer, Have a nice day

Step-by-step explanation:

3 0
3 years ago
(6h+2)+(-7h-8) simplify?
lawyer [7]

Answer:

-h - 6

Step-by-step explanation:

(6h + 2) + (-7h - 8) <== remove parenthesis

6h + 2 - 7h - 8 <== combine like terms

6h - 7h + 2 - 8

-h - 6

Hope this helps!

4 0
2 years ago
Which equation has x = 5 as the solution?
Zolol [24]

Answer:

Step-by-step explanation:

what are the equations?

5 0
3 years ago
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