Answer:
In 3 - 5:
3 + (-5), and -5 + 3
In 5 - 3:
5 + (-3), and -3 + 5
Step-by-step explanation:
Category : 3 - 5
Values must equal -2
3 + (-5) = 3 - 5 = -2
-5 + 3 = -2
Category : 5 - 3
Values must equal 2
5 + (-3) = 5 - 3 = 2
-3 + 5 = 2
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Answer:
B
Step-by-step explanation:
The heaviest pig on the farm weighs 100 pounds
The new amount would be 11 more than the original
Answer:
The rate of change in surface area when r = 20 cm is 20,106.19 cm²/min.
Step-by-step explanation:
The area of a sphere is given by the following formula:
In which A is the area, measured in cm², and r is the radius, measured in cm.
Assume that the radius r of a sphere is expanding at a rate of 40 cm/min.
This means that 
Determine the rate of change in surface area when r = 20 cm.
This is 
when 
. So
Applying implicit differentiation.
We have two variables, A and r, so:
The rate of change in surface area when r = 20 cm is 20,106.19 cm²/min.
Answer:
a. £24,714.29
b. £16,833.33
Step-by-step explanation:
The calculation of mean income is given below:-
Mean income = Total addition of salaries ÷ Number of workers
= £9,500 + £25,000 + £13,250 + £72,000 + £12,750 + £29,500 + £11,000
= £173,000 ÷ 7
= £24,714.29
Now,
the Mean income excluding Deva's salary:
= Formula of Mean income
= Total addition of salaries excluding Deva salary ÷ Number of workers
= (£9,500 + £25,000 + £13,250 + £12,750 + £29,500 + £11,000) ÷ 6
= £101,000 ÷ 6
= £16,833.33
