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tatuchka [14]
3 years ago
7

Help me now pls I need it​

Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

130

Step-by-step explanation:

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Justo ayer fue el cumpleaños de Mauricio. Si a la edad e Mauricio, le sumo 13, al resultado le resto 10, luego al nuevo resultad
bezimeni [28]

Answer:

Mauricio nació en el año 2000.

Step-by-step explanation:

Supóngase que el cumpleaños se celebra en el año 2020, si x es la edad actual de Mauricio, entonces la expresión matemática que traduce el enunciado del problema es:

\frac{(x+13)-10}{23} +20 = 21

Ahora, se desarrolla y se simplifica la ecuación:

\frac{x+3}{23}+20 = 21

\frac{x+3}{23} = 1

Se despeja x:

x +3 = 23

x = 20

Mauricio tiene 20 años.

Ahora, el año de nacimiento de Mauricio es la sustracción de la edad de Mauricio del año actual:

y = 2020-20

y = 2000

Mauricio nació en el año 2000.

3 0
3 years ago
Round the whole number to the given place. 75,801,300 to the nearest million​
valina [46]

Answer:

76,000,000

Step-by-step explanation:

Look at the 100,000 place and see whether to round up or down - 8 is larger than 5, therefore 75,000,000 gets rounded up to 76,000,000

8 0
3 years ago
Complete the solution of the equation find the value of y when x equals negative 30. -2x-3y=42
Rama09 [41]
-2 (-30) - 3y = 42
60 - 3y = 42
-3y = -18
y = 6
7 0
3 years ago
Read 2 more answers
There were 630 concert tickets sold. Each ticket cost $21. How much money was raised from selling the tickets
Andrew [12]

Answer:

$13,230

Step-by-step explanation:

you need to multiply the cost of the ticket by the amount of tickets sold,

630 x 21 = $13,230

8 0
2 years ago
What does 4 + 5 equal
Svet_ta [14]

Answer:

9

Step-by-step explanation:

7 0
3 years ago
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