Divide one at a time. 20x³÷5x³ = 4x³ and 30÷5x³ = 6x³ so the final answer is D) 4x³ + 6x³
Al Dietrich is in training. He swims for 30 minutes, bicycles (10 mph) for 30 minutes, and runs (8 mph) for 30 minutes everyday.
2 answers:
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Answer:
The area of 3 slices is or approximate
Step-by-step explanation:
<em>Find out the area of the cookie cake</em>
The area of the circle (cookie cake) is
we have
----> the radius is half the diameter
substitute
Remember that the area of the complete cookie cake subtends a central angle of 360 degrees
If the cake is divided into 8 slices
then
The central angle of each slice is equal to
360/8=45°
The central angle of 3 slices is equal to
3(45°)=135°
By proportion
Find out the area of 3 slices
Let
x ----> the area of 3 slices
Simplify
----> exact value of the area of 3 slices
Find out the approximate value of the area of 3 slices
assume
substitute
