Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The surface area of a sphere is 4? times the square of the radius.
A. If S represents the surface area and r the radius, then S = ?r2.
B. If S represents the surface area and r the radius, then S = 4?r2.
C. If S represents the surface area and r the radius, then S = 4?r.
D. If S represents the surface area and r the radius, then 4?S = r2.
Answer: B
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A. Yes B. No
Solve the equation. If an answer is not exact, give the answer to four decimal places.
?
?
Enter your answer(s) as numbers. If there is more than one answer separate them with commas.
What will be an ideal response?
Find the LCD for the rational expression.,
A. 5x(x + 1) B. 5x2(x + 1) C. 5(x + 1) D. 25x2(x + 1)
Find an equation for the ellipse described.Center at (0, 0); focus at (-4, 0); vertex at (8, 0)
A. +
= 1
B. +
= 1
C. +
= 1
D. +
= 1