One day, the temperature started at 14 degrees at 6:00 a.m., then climbed 5 degrees by noon, and then dropped 7 degrees by midni
2 answers:
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Answer:
12
Step-by-step explanation:
The area of a triangle is . Here, b = 8, h = 3. So 8*3/2 = 12. The units is
.
So the answer is 12 .
Answer:
4.74 hours
Step-by-step explanation:
Given that both person have to place same number of rivets that is
11209
first person take 9 hours to complete the work
hence 1 hour work of 1st person is of total work
second person takes 10 hours to complete the same work
hence 1 hour work of 2nd person is
Now if both work together then
1 hour work of both person = =
thus working together they need hours = 4.74 hours to complete the whole work which is placing 11209 rivets