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nekit [7.7K]
4 years ago
14

Six added to three times a number is equal to four less than five times the number what is the number

Mathematics
1 answer:
likoan [24]4 years ago
6 0
3x+6= 5x-4
6= 2x+4
10=2x
5=x
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Un apostador pierde en su primer juego el 30% de su dinero, en el segundo juego pierde el 50% de lo que perdió; finalmente en el
sergiy2304 [10]

Responder:

26,62

Explicación paso a paso:

Sea x el dinero original que tenía el jugador:

si un jugador pierde en su primer juego el 30% de su dinero, la cantidad perdida será;

= 30/100 \ of \ x\\= 0.3x

Si en el segundo juego pierde el 50% de lo que perdió, entonces la cantidad perdida en el segundo juego será:

= 50/100 \ of \ 0.3x\\= 0.5 \times 0.3x\\= 0.15x

Si en el tercer juego pierde el 40% de todo lo que ha perdido, la cantidad perdida en el tercer juego será:

=\frac{40}{100} \ of \ (0.3x+0.15x) \\= 0.4(0.45x)\\= 0.2025x

Si la cantidad que le queda para seguir apostando es de 37 soles, entonces para calcular la cantidad original que tiene, sumaremos toda la cantidad perdida y la cantidad restante y equipararemos la cantidad original x como se muestra:

0,3x + 0,15x + 0,2025x + 37 = x

0,6525x + 37 = x

x-0,6525x = 37

0,3475x = 37

x = 37 / 0,3475

x = 106,48

La cantidad que tenía originalmente era de 106,48

75% de 106,48

= 75/100 * 106,48

= 0,75 * 106,48

= 79,86

Tomando la diferencia entre su monto original y su 75% será:

= 106.48-79.86\\= 26.62

3 0
3 years ago
Every hour of training raises the salary
timurjin [86]
(10,1250),(20,1400)
slope = (1400 - 1250) / (20 - 10) = 150/10 = 15

so every hr of training raises the salary by $ 15
7 0
3 years ago
The original price of a stove is $570.00. If it has a 25% discount, find the selling price. *
Rom4ik [11]

Answer:

$357.50

Step-by-step explanation:

25%×570.00

(25/100)×570.00

= $142.50

S.P= O.P-D.P

= (570.00-142.50)$

= $357.5

7 0
3 years ago
Mai says that -8 > -4 . Do you agree with her? Explain or show your reasoning.
Elza [17]

Answer:

No

Step-by-step explanation:

-8 is less than -4. Negative numbers reverse the logic of positive ones: since positive 8 is more than positive 4, negative 8 is less than negative 4.

7 0
3 years ago
HELO URGENT WILL GIVE BRAINLIEST IF CORRECT
yanalaym [24]
Answer:
Circle

Explanation:
6 0
3 years ago
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