Answer:
$3.18
Step-by-step explanation:
Multiply the cost by the amount bought.
2.65*1.2=3.18
Answer:
The answer would be 58 degrees.
Step-by-step explanation:
Angles 32 and x form a right angle (meaning 90 degrees) so the equation set up would be 90-32=x. 90-32 equals 58 getting you an answer of 58 degrees. I hope this helps! :)
The amount of paint that would be contained in each of the can would be 8.
<h3>How to solve for the amount of paint.</h3>
Using the information in the question we have the following
We have to solve the equation as
(2 1/2) + 2(4) + 1(5 1/2) =
2.5 + 8 + 5.5
= 16
Each of these would have to hold 16/2 = 8 pints.
Read more on line plots here:
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You have the correct approximate value of k. The part after that is where things get a bit strange.
You don't plug in t = 5 again. We don't know the value of t yet. We're trying to solve for it.
We do know u(t) is 135 as we want the temperature to be 135 degrees. Plug this in and isolate t.
So
u(t) = 70+380e^(-0.1004183888t)
135 = 70+380e^(-0.1004183888t)
135-70 = 380e^(-0.1004183888t)
65 = 380e^(-0.1004183888t)
380e^(-0.1004183888t) = 65
e^(-0.1004183888t) = 65/380
e^(-0.1004183888t) = 13/76
-0.1004183888t = ln(13/76)
-0.1004183888t = -1.7657839828248
t = -1.7657839828248/(-0.1004183888)
t = 17.5842692152893
So it takes about 17.58 minutes for the item to cool to the desired temp
Answer:
5000 milliliters per minute
Step-by-step explanation:
