2x-10=x-7
-x
x-10=-7
+10
x=3
Answer:
48 drops
Step-by-step explanation:
32/8 = 4 x 12 = 48 drops
Answer:
t ≈ 13.26
Step-by-step explanation:
We are given;
x¯ = 20 minutes per day
μ = 17 minutes per day
sample standard deviation; s = 1.6 minutes
Sample size; n = 50
When σ is unknown, formula for test statistic is;
t = (x¯ - μ)/(s/√n)
t = (20 - 17)/(1.6/√50)
t = 3/0.2263
t ≈ 13.26
Answer:
the answer is 72 square feet
Step-by-step explanation:
(5×4)+(5×5)+(5×3)+(12)=72