Answer:
<u>39.28cm^2 </u>
Step-by-step explanation:
Simple work out the area of a circle and halve it.
3.142xr^2
3.142x5^2 = 78.55 cm^2 (Full circle area)
Now we must halve that answer to get the semicircle.
78.55/2 = 39.275 cm^2
However, we need it to 2dp. Therefore the answer is 39.28cm^2
Answer:
The area of a sector GHJ is 
Step-by-step explanation:
step 1
we know that
The area of a circle is equal to
we have
substitute
step 2
Remember that the area of a complete circle subtends a central angle of 360 degrees
so
by proportion find the area of a sector by a central angle of 65 degrees
Use 
If a rational function is not continuous, it'll be due to one of two reasons. Either it has a hole, or it has an asymptote. Plug in -5 for x in the denominator of the rational function. What do you get? You get zero in the denominator, meaning the function is undefined at x=-5.
Given:
<span>43 students in his school liked skating and 21 of those students liked swimming, as well
</span><span>7 students who did not like skating but liked swimming
</span><span>6 students who liked neither skating nor swimming
Like skating Not like skating Total
Like swimming 21 7 28
Not like swimming 22 6 28
Total 43 13 56
All the bold numbers are the missing details. The regular numbers are the given numbers.
That is the table I came up with because the given choices are not understandable.
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