Answer:
26
Step-by-step explanation:
Since the input is -4, x = -4. The equation then is y = -7(-4) -2
A negative times a negative is a positive, so -7 times -4 is 28.
Now the equation reads y = 28 - 2
Then obviously you just subtract the two and then you get 26.
X should be 300
15/x= 0.05
x= 15/0.05= 300
x=300
Answer:
a) -3x^3 - 2x + y - 10 = 0
b) it a trinomial
c) not sure. sorry. :(
hope this helps.:)
Answer:
She made an error when using the zero pair.
Step-by-step explanation:
In step 2, Carianne added 4 to the right side and subtracted 4 on the left side, which is completely changing the equation. By definition, your zero pair must have a difference of zero. She need to add 4 to both sides to continue; when manipulating algebra you need to do the same thing to both sides of an equation, otherwise you're just changing the equation.
Queremos resolver un problema sobre porcentajes, donde conociendo el porcentaje que un dado número representa, queremos encontrar el número equivalente al 100%.
Veremos que el número total de arboles es 250.
------------------------------------
Sabemos que el 18% de los arboles son almendros y el resto son naranjos, es decir, el porcentaje de naranjos es 100% - 18% = 82%
Y sabemos que hay 45 almendros.
Entonces el <u>18% del número total de arboles es 45.</u>
Es decir, si hay N arboles en total, el 18% de N es igual a 45, esto se puede escribir como:
(18%/100%)*N = 45
0.18*N = 45
N = 45/0.18 = 250
Así podemos concluir que hay un total de 250 arboles en la plaza.
Si quieres aprender más, puedes leer:
brainly.com/question/24907616