Answer:
Step-by-step explanation:
Given
--- The radius of each
Required
The area between them
See attachment for illustration of the question. (figure 1)
First, calculate the height of the equilateral triangle formed by the 3 radii (See figure 2)
Using Pythagoras theorem, we have:
Collect like terms
Take square roots
Expand
Split
Now, the area of the equilateral triangle can be calculated using:
Where
Next, is to calculate the area of the sector formed by 2 radii in each circle (figure 3).
Since the radii formed an equilateral triangle, then the central angle will be 60. So:
For the three circles, the area is:
Subtract the areas of the sectors (A2) from the area of the equilateral triangle (A1), to get the area between them.
Approximate
Answer:
Step-by-step explanation:
Let x be the original number.
x - 15 - 1/2(x - 15) - 10 = 12
x - 15 - 1/2 x + 7.5 - 10 = 12
1/2x - 25 + 7.5 = 12
1/2x - 17.5 = 12
1/2x = 27.5
x = 55
Answer: B.1/6 quarts
Step-by-step explanation:
3/4 Minutes = 1/8 Juice
4/3 * 3/4 Minutes * 4/3 * 1/8 Juice
1 Minutes = 1/6 quarts
Making B your answer
2+3x²+5x⁴+6x^5.............
Answer:
150 is if you buy them separately but 150-25%=112 so 150-112=38 so students would save $38
Step-by-step explanation:
he made that package so that more people would go to his lessons know that there was a discount going on and more people would choose his lessons over people who don't have discounts.