Windsor Inc. sells prepaid telephone cards to customers. Windsor then pays the telecommunications company, TeleExpress, for the actual use of its telephone lines related to the prepaid telephone cards. Assume that Windsor sells $4,100 of prepaid cards in January 2020. It then pays TeleExpress based on usage, which turns out to be 50% in February, 30% in March, and 20% in April. The total payment by Windsor for TeleExpress lines over the three months is $2,000. Indicate how much income Telephone Sellers should recognize in January, February, March, and April 1. January income?
2. February income?
3. March income?
4. April income?

Revenues

January = $0

February $4,100 * 50% = $2,050

March $4,100 * 30% = $1,230

April $4,100 * 20% = $820

Expenses

January = $0

February $2,000 * 50% = $1,000

March $2,000 * 30% = $600

April $2,000 * 20% = $400

Operating Income

January = $0

February $2,050 - 1,000 = $1,050

March $1,230 - $600 = $630

April $820 - $400 = $420

bd = 9 cm

step-by-step explanation:

in a 30°-60°-90° triangle, the ratio of side lengths is 1 : √3 : 2. that is, the longest side (hypotenuse) is twice the length of the shortest side.

all of the triangles in your geometry are 30°-60°-90° triangles. ac is the hypotenuse of δacd, and the short side of δabc.

the short side ad of δacd will be half the length of ac, so 3 cm. the hypotenuse ab of δabc will be twice the length of ac, so 12 cm. segment bd is the difference of the lengths ab and ad, so is

bd = ab -ad

bd = 12 cm - 3 cm = 9 cm

comment on side length ratios

you can figure the ratios of side lengths in a 30°-60°-90° triangle by considering the trig ratios of the angles. or you can figure the length of the altitude of an equilateral triangle of side length 2 using the pythagorean theorem.

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