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Bond [772]
2 years ago
15

Se dispone de 800 000 para invertir. Una cuenta paga el 18% de interés anual, y otra paga el 21%. ¿Cuánto debe invertirse en cad

a cuenta para ganar 150 000 en intereses en un año?
Mathematics
1 answer:
Genrish500 [490]2 years ago
4 0

Se debe depositar $ 600 000 en la cuenta con 18 % de interés <em>anual</em> y $ 200 000 en la cuenta con 21 % de interés <em>anual</em> para recibir $ 150 000 en intereses.

<h3>¿Cuánto se debe invertir en cada cuenta para alcanzar las ganancias deseadas en un período dado?</h3>

En este problema tenemos un depósito repartido en dos cuentas, que adquiere ganancias de manera <em>continua</em> en el tiempo. En consecuencia, tenemos por interés compuesto la siguiente ecuación a resolver:

x · (18/100) + (800 000 - x) · (21/100) = 150 000

168 000 - (3/100) · x = 150 000

(3/100) · x = 18 000

x = 600 000

Se debe depositar $ 600 000 en la cuenta con 18 % de interés <em>anual</em> y $ 200 000 en la cuenta con 21 % de interés <em>anual</em> para recibir $ 150 000 en intereses.

Para aprender más sobre el interés compuesto: brainly.com/question/23137156

#SPJ1

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Suppose Wesley is a marine biologist who is interested in the relationship between the age and the size of male Dungeness crabs.
Eva8 [605]

Answer:

20.24 cm

Step-by-step explanation:

Here, since the age of the crab is given in months and the regression line was computed using the age in months, we just have to replace the value of the age in the formula to estimate the size.

The formula obtained for the estimated size Y was

Y = 9.1411 + 0.4775X  

where X is the age in months

Replacing X with 23.2417, we get

Y = 9.1411 + 0.4775*23.2417 = 20.24 cm

7 0
3 years ago
What improper fraction is the same as 12 3/4?<br> A) 51/4<br> B) 12/4<br> C) 123/4<br> D) 48/4
lbvjy [14]

51/4 because you multiply 12*4 which is 48 and add 3 so you get 51. You keep the denominator so you should get 51/4.

8 0
3 years ago
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A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Use a table to find the prob
kiruha [24]

Answer:

31.77% probability the surgery is successful for exactly five patients.

Step-by-step explanation:

For each patient, there are only two possible outcomes. Either the surgery is successful, or it is not. The probability of the surgery being successful for a patient is independent of other patients. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

A surgical technique is performed on seven patients.

This means that n = 7

You are told there is a 70% chance of success.

This means that p = 0.7

Find the probability the surgery is successful for exactly five patients.

This is P(X = 5).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 5) = C_{7,5}.(0.7)^{5}.(0.3)^{2} = 0.3177

31.77% probability the surgery is successful for exactly five patients.

5 0
3 years ago
(-1).(2-6)^2÷8+8-3.4
Paha777 [63]

(-1)*(2-6)^2÷8+8-3.4

(-1)*(-4)^2÷8+8-3.4

-1*16÷8+8-3.4

-16÷8+8-3.4

-2+8-3.4

2.6


6 0
3 years ago
50 points !! Select the correct answer.
hichkok12 [17]

Answer:

C.

x y

2 -24

5 -15

Step-by-step explanation:

We need to find the slope for each table

A.

x y

2 16

5 10

m = (y2-y1)/(x2-x1) = (10-16)/(5-2) = -6/3 = -2

B.

x y

2 14

6 12

m = (y2-y1)/(x2-x1) = (12-14)/(6-2) = -2/4 = -1/2

C.

x y

2 -24

5 -15

m = (y2-y1)/(x2-x1) = (-15--24)/(5-2) = (-15+24)/3 = 3

D.

x y

2 -12

6 -16

m = (y2-y1)/(x2-x1) = (-12--16)/(6-2) = (-12+16)/4 = 1

E.

x y

2 -19

6 -17

m = (y2-y1)/(x2-x1) = (-17--19)/(6-2) = (-17+19)/4 = 1

The greatest unit rate is the largest slope

 

 

7 0
3 years ago
Read 2 more answers
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