4x + 1 = x^2 + 3x - 1
4x = x^2 + 3x - 2
0 = x^2 -x - 2
0 = x^2 -x + 1 - 3
0 = (x - 1)^2 - 3
3 = (x - 1)^2
sqrt 3=(x-1) and (-(x-1))
x = 1+sqrt 3 and 1-sqrt 3
sqrt means square root
Answer:
1) 6/4 or 1 1/2, so you fill in 6 of the lines in the model
2) 8/6 or 1 1/3, so you need to fill in 8 of the lines in the model
Step-by-step explanation:
Hope this helps!
Answer:
3 ways.
Step-by-step explanation:
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
2 meats from a set of 3(steak, fish or chicken). So
3 ways.
Answer:
calculator and spirit are the correct answers
Step-by-step explanation:
(a brainliest would be much appreciated)
