marahsenno
02.01.2020 •
Mathematics
Given the measure of arc dc is 120 the measure of arc adc is?
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Ответ:
120°
Step-by-step explanation:
The arc ABC is twice that of the angle created at D. This is the central angle theorem extension.
So we can say that arc ABC = 2* 120 = 240
We know total circle angle is 360 degrees so, arc ADC + arc ABC = 360
Hence,
arc ADC + 240 = 360
arc ADC = 360 - 240 = 120
Ответ:
Part A: Total cost = 10 + 4s
Part B: Solving for s = 2
10 + 4 * 2 = US$ 18
Correct statement and question:
Write an expression to represent admission to a zoo of $10.00 and the cost of special exhibits s at $4 each. Evaluate your expression when s = 2.
Source: https://www.slader.com/discussion/question/write-an-expression-to-represent-admission-to-a/
Step-by-step explanation:
1. Let's review the information provided to us to answer the question correctly:
Admission to the zoo = US$ 10
Special exhibit cost (s) = US$ 4
2. Evaluate your expression when s = 2
Total cost = Cost of admission + (s) * Special exhibit cost
Total cost = 10 + (s) * 4
Total cost = 10 + 4s
3. Solving for s = 2
10 + 4s
10 + 4 * 2 = US$ 18