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Galina-37 [17]
3 years ago
14

Los ingresos de una familia son el sueldo del padre de $ 560.400 y el aporte del hijo mayor de $280.600. El 34% de estos ingreso

s se destinan al pago del arriendo de la casa y el 50% de lo restante corresponde al costo de la alimentación de la familia.
1.- ¿Cuánto gasta esta familia en alimentación?
2.- ¿Qué porcentaje de los ingresos corresponden a los gastos de alimentación?
Mathematics
1 answer:
Helen [10]3 years ago
3 0

Answer:

ITS SPANISH ENGLSIH PLEZ

Step-by-step explanation:

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The children in my subdivision were bored one summer and decided to hold a competition to see who could run to the end of the st
Ainat [17]

Answer:

6.7% of children who finished the race in under 45 seconds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 75 seconds

Standard Deviation, σ =  20 seconds

We are given that the distribution of time of completion is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(finished the race in under 45 seconds.)

P(x < 45)

P( x < 45) = P( z < \displaystyle\frac{45 - 75}{20}) = P(z < -1.5)

Calculation the value from standard normal z table, we have,  

P(x < 45) = 0.067 = 6.7\%

6.7% of children who finished the race in under 45 seconds.

4 0
3 years ago
Three balls are packaged in a cylindrical container as shown below. The balls just touch the top, bottom, and the sides of the c
lord [1]

Answer:

a. 5177 cm³

b. 3,451 cm³

c. 67%

Step-by-step explanation:

Given:

Diameter of each ball (d) = 13 cm

Radius of the ball (r) = radius of the cylinder = ½(13) = 6.5 cm

Height of the cylinder (h) = the sum of the diameters of the 3 balls = 3(13) = 39 cm

a. Volume of cylinder = πr²h

Plug in the values

Volume of cylinder = π*6.5²*39 = 5176.56 ≈ 5177 cm³

b. Total volume of the three balls = 3(volume of 1 ball) = 3(volume of sphere) = 3(⁴/3πr³)

Plug in the value

Total volume of the 3 balls = 3(⁴/3*π*6.5³) = 3(1150.35) = 3,451.05 ≈ 3,451 cm³

c. % of volume of the container occupied by the 3 balls = total volume of the three balls / volume of cylinder × 100

Plug in the values

= 3,451/5177 × 100

= 66.6602279

≈ 67%

6 0
3 years ago
Write each percent as a fraction 13_1/3
bagirrra123 [75]
13.33% is your answer

hope this helps :D

put the repeating sign over the last 3
3 0
3 years ago
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Jacob works part time as a cashier at a drugstore. his gross pay for the year was $8000. Based on his income level, the federal
natta225 [31]
The answer for this question would be the letter c I think well I guess
3 0
2 years ago
26.25 rounded to the nearest tenth
kipiarov [429]

Answer: 26.3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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