Answer:
Frederick is not correct.
Step-by-step explanation:
30% of $80 is $24, not $2.40. The math can be done by taking 80 and multiplying it by .3 (which is 30% in decimal form). This gives you $24.
Answer:
A: perfect square
Step-by-step explanation:
The constant term must be a perfect square. It's the square of half of the coefficient of the x term.
Answer:
65
Step-by-step explanation:
arc TS = 360 - 90 - 150
Arc TS = 120
The central angle is also 120
x is 1/2 of the central angle
x = 1/2 * 120
x = 60
K(3)-k(2) because if you studied for 8 hours or 7 hours it is almost like the same that you know all of them but 3 hours or 2.
Answer:
f(19)=3/21-4=-3.857
Step-by-step explanation:
f(x)=3/(x+2)-sqrt(x-3)
f(19)=3/(19+2)-sqrt(19-3)
f(19)=3/21-sqrt(16)
f(19)=3/21-4
f(19)=-3.857