Step-by-step explanation:
4-17x^2+16=0 s
Calculate multiply
20-17x^2=0
Reoder the term
-17x^2+20=0
Calculate the discriminat
D=0^2-4x(-17)x20
Simplify
D=1360
The quadric equation has 2 real solutions
So your Solution is :
2 real solutions
The strings cost $14. you would take the total cost ($72) and subtract the cost of the book ($16) and you would get $56. you would then divide 56 by the number of book bought (4 in all) and you would get $14.
Answer:
Sara read 17 more
Step-by-step explanation:
81-64=17
64+17=84
Answer:
x = 7
Step-by-step explanation:
-4x/-4 = -28/-4
x = 7
The answer to this is 10.