We are given that the initial depth of snow is 10 cm
while the rate of melting is 1/3 cm per hour. So the melted ice after 3 hours
is:
melted = (1/3 cm/hr) * 3 hours = 1 cm
Hence the depth left is:
depth = 10 cm – 1 cm = 9 cm
Answer:
9 cm
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Answer:
v = 6
Step-by-step explanation:
3/v = 2/4
We can use cross products to solve
2v = 3*4
2v = 12
Divide each side by 2
2v/2 = 12/2
v =6
Answer
3 : 7
Explanation
Girls = 21
Boys = 49
Girls : Boys=
21 : 49
Divide by 7
3 : 7
Hope I helped
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Answer:
[2.5, 4]
Step-by-step explanation:
The graph shows the local minima at x = -0.44 and x = 3. The first one is not in any of the listed intervals. The second of these is in the interval ...
[2.5, 4]
Answer:
x - 31
69
Tonisha has to make at least $100 in revenue
Step-by-step explanation:
Set up the inequality:
x - 31 represents her profit
Since she wants to make at least $69 a day, use
69
So, the inequality is x - 31
69
Then, solve for x to find how much she has to sell:
x - 31
69
x
100
So, Tonisha has to make at least $100 in revenue