Simplify: −7 + {12 − 3[50 − 4(2 + 3) ] }
1 answer:
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Answer:
2 days.
Step-by-step explanation:
Let, Sofia can type the x amount of work in 10 hours.
So, in one hour Sofia can type amount of work.
Again, Nova can type x amount of work in 15 hours.
So, in one hour Nova can type amount of work.
Hence, if they work together, they can type amount of work in one hour.
Therefore, working together they can type the x amount of work in days.
So, they have to work for (6 - 4) = 2 days more to finish the work. (Answer)
Answer:
52.9°
Step-by-step explanation:
step 1
we know that
The total number of successful United States space launches that happened in the years 1957-1995 is equal to
step 2
The numbers of successful United States space launches that happened in the years 1980-1989 is equal to
step 3
The percentage of successful United States space launches that happened in the years 1980-1989 is equal to
step 4
Find out the measure of the central angle you would draw in a circle graph to represent the number of successful United States space launches that happened in the years 1980-1989
we know that
In a circle, 360 degrees represent the 100%
so
using proportion
Find out the measure of the central angle by a percentage of 14.68%