X^4-3x^3-28x^2+36x+144=(x-6)(x^3+3x^2-10x-24)
x-6 is a factor
Hey! Your answer would be 0.0875L
Answer:
40 minutes
Step-by-step explanation:
→ Take the total away from the amount he wants left
150 - 30 = 120
→ Divide this by his rate
120 ÷ 3 = 40 minutes
Answer:
Step-by-step explanation:
H0 : μ = 46300
H1 : μ > 46300
α = 0.05
df = n - 1 = 45 - 1 = 44
Critical value for a one tailed t-test(since population standard deviation is not given).
Tcritical = 1.30
The test statistic :(xbar - μ) ÷ (s/sqrt(n))
The test statistic, t= (47800-46300) ÷ (5600√45)
t = 1500
t = 1500 / 834.79871
t = 1.797
The decision region :
Reject H0: if t value > critical value
1. 797 > 1.30
Tvalue > critical value ; We reject H0
Hence, there is sufficient evidence to conclude that cost has increased.
Answer: 12
Multiply 20%×60 and get 12.
Note: When finding the percent of a number multiply the percent×the number.