Answer:
d the diameter is 4 inches.
Step-by-step explanation:
d=2r=2×2=4
The answer is: [B]: " 49 " .
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Explanation:
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2.03 * 24 = 48.72 ; round to "2 significant digits" ==> 49 .
The answer is: [B]: 49 .
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This is assuming, of course, that "24" is not an "exact figure".
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Answer:
k=-1
Step-by-step explanation:
Problem 1
Answers: Choice A, choice D
The formula you use is
a & c/d = (a*d+c)/d
To convert from mixed number form to improper fraction form.
So,
6 & 2/3 = (6*3+2)/3 = (18+2)/3 = 20/3
And also,
8 & 1/5 = (8*5+1)/5 = (40+1)/5 = 41/5
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Problem 2
Answer: Reflection
Think of how mirrors cause a reflection and this should help you remember the term better. If we reflect point A over some line L, to get point A', then the distance from A to L is the same from A' to L also.