$20.\\y=x^2-x-2\\a=1,\ b=-1,\ c=-2\\\\\dfrac{-b}{2a}=\dfrac{-(-1)}{2(1)}=\dfrac{1}{2}\to x=\dfrac{1}{2}\\\\x^2-x-2=0\\\\x^2-2x+x-2=0\\\\x(x-2)+1(x-2)=0\\\\(x-2)(x+1)=0\iff x-2=0\ \vee\ x+1=0\\\\x=2\ \vee\ x=-1$

3 0

3 years ago

A family purchased basketball tickets online. The total cost, c, in dollars, of t tickets can be found using the function below.

Reptile [31]

Solution:
C=32.50t+8.50
236=32.50t+8.50
236-8.50=32.50t
227.50=32.50t
227.50/32.50=32.50t/32.50
t=7

The family bought 7 tickets.

3 0

3 years ago

Juana tiene en su cuenta bancaria $98.857. Si expide un cheque por $39.948 y deposita otro por $10.845 ¿Cuánto dinero le queda a

Sonja [21]

Answer:

um could you transkate to english so i can answer your question?

Step-by-step explanation:

5 0

2 years ago

What is 9*10000000000000000000000000000000000000000000000?

zheka24 [161]

You would get 9e+46 so not a real answer, just an estimate of what the answer is.

4 0

3 years ago

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