How do i solve this chart
2 answers:
I give the cells on the table numbers. See image attached. There area box 1 to 9.
We count the lower part first.
Find box 8
Solve using horizontal cells
box 7 + box 8 = box 9
25 + box 8 = 50
box 8 = 50 - 25
box 8 = 25
Find box 6
Solve using horizontal cells
box 4 + box 5 = box 6
18 + 5 = box 6
box 6 = 23
Find box 1
Solve using vertical cells
box 1 + box 4 = box 7
box 1 + 18 = 25
box 1 = 25 - 18
box 1 = 7
Find box 2
Solve using vertical cells
box 2 + box 5 = box 8
box 2 + 5 = 25
box 2 = 25 - 5
box 2 = 20
Find box 3
Solve using vertical cells
box 3 + box 6 = box 9
box 3 + 23 = 50
box 3 = 50 - 23
box 3 = 27
We count the lower part first.
Find box 8
Solve using horizontal cells
box 7 + box 8 = box 9
25 + box 8 = 50
box 8 = 50 - 25
box 8 = 25
Find box 6
Solve using horizontal cells
box 4 + box 5 = box 6
18 + 5 = box 6
box 6 = 23
Find box 1
Solve using vertical cells
box 1 + box 4 = box 7
box 1 + 18 = 25
box 1 = 25 - 18
box 1 = 7
Find box 2
Solve using vertical cells
box 2 + box 5 = box 8
box 2 + 5 = 25
box 2 = 25 - 5
box 2 = 20
Find box 3
Solve using vertical cells
box 3 + box 6 = box 9
box 3 + 23 = 50
box 3 = 50 - 23
box 3 = 27
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Answer:
a.
b.
c.
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Step-by-step explanation:
a. Newton's law of cooling states that the speed with which a body is cooled is proportional to the difference between its temperature and that of the medium in which it is found. Then, the initial value problem is given by:
b. The differential equation obtained is a differential equation of separable variables:
c. After 33 minutes of serving the coffee has cooled to 180°:
d.