Answer:-23
Step-by-step explanation: i just know nika
Y=x^2+2x
Btw the X^2 means x to the power of 2
Answer:
5+0.80x < or equal to 13
Step-by-step explanation:
5+0.80x < or equal to 13
5 would be your initial fee so that is not going to change. 0.80 is how much you pay for each ride, so that would change depending on how many rides you ride. This added together has to equal greater to or equal than 13, which is how much she has.
Answer: how many friends did she have ?
Step-by-step explanation:
Responder:
Por favor, consulte la explicación.
Explicación paso a paso:
Dado lo siguiente:
Número de bailarines = 156
Sea número de bailarines en una columna = c
Número de bailarines seguidos = c + 20
Multiplicar el número de bailarines en fila y columna dará el número total de bailarines.
Por lo tanto,
c * (c + 20) = 156
c² + 20c = 156
c² + 20c - 156 = 0
c² + 26c - 6c - 156 = 0
c (c + 26) - 6 (c + 26) = 0
(c + 26) = 0 o (c - 6) = 0
c = - 26 o c = 6
C no puede ser negativo
Por lo tanto,
Número de bailarines en columna = 6
Número de bailarines en fila = 20 + 6 = 26
