Answer: 60 miles per hour
Explanation: r = d/t = 420 miles/7 hours = 60 miles per hour.
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Answer:
Centre: (4,3)
Radius: 2sqrt(2)
Step-by-step explanation:
h = -8/-2 = 4
k = -6/-2 = 3
4² + 3² - 17 = r²
r² = 8
r = sqrt(8) or 2sqrt(2)
sqrt: square root
Answer: You need to find the radius...
Step-by-step explanation:
The answer is -49
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Answer:
All real numbers.
Step-by-step explanation:
The function y = 4 sin x is a trig function. It forms for its graph a sine wave that extends both left and right along the x-axis. There are no restrictions or limits on it. This means the domain the set of all x-values for the function is all real numbers.
