Answer:
12/1
Step-by-step explanation:
Answer:Holly drank 12 bottles in a week.
Step-by-step explanation:
First change the fraction 1 2/5 litre into a decimal, by doing this, we can know how many litres are there in 2/5.
So= 1 2/5
= 2 ÷5 = 0.4
= 1 + 0.4 = 1.4 liters
1.4 liters is the amount of water in a bottle.
Next, also change the fraction 2 2/5 litres into a decimal.
So=2 2/5
= 2÷5 = 0.4
= 2 + 0.4 = 2.4 liters
She drinks 2.4 liters a day.
To find how many bottles she drank in 1 week, we must multiply the amount of water she drinks in a day to the days in a week.
So= 1 week= 7 days
= 1 day= 2.4 liters
So= 2.4 × 7 = 16.8
She drinks 16.8 in a week.
To find how much bottles she drank in a week, we must divide the amount of liters she drank in one week to the amount of liters are there in a bottle.
So= 16.8 ÷ 1.4= 12 bottles
Holly drinks 12 bottles in a week.
I hope this helps! I'm sorry if it's wrong and complicated.
Answer:
Step-by-step explanation:
One
Sin(x) = 15/24 = 0.625
x = sin-1(0.625)
x = 38.68
Two
Cos(x) = 8/11
Cos(x) = .727
x = cos-1(.727)
x = 43.34
Three
Tan(x) = 20/37
Tan(x) = 0.5405
x = tan-1(0.5405)
x = 28.39
Four
Cos(x) = 18/23
Cos(x) = .7826
x = cos-1(0.7826)
x = 38.50
Answer:
x = 77.5
Step-by-step explanation:
1. Use cross-multiplication to find x.
2. Divide and round.
x ≈ 77.5
