Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Mark's typing speed is 69 words per minute. How many words can he type in 55 minutes?
A. Let w = how many words Mark can type in 55 minutes.
69 = w ? 55
Mark can type 124 words in 55 minutes.
B. Let w = how many words Mark can type in 55 minutes.
69 = w ? 55
Mark can type 3695 words in 55 minutes.
C. Let w = how many words Mark can type in 55 minutes.
69 ? 55 = w
Mark can type 3805 words in 55 minutes.
D. Let w = how many words Mark can type in 55 minutes.
69 ? 55 = w
Mark can type 3795 words in 55 minutes.
Answer: D
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Write an algebraic expression for the quantity. Let x represent the unknown value.The sum of ten times a number and nine.
A. 9x + 10 B. 10x + 9 C. 9(x + 10) D. 10(x + 9)
Graph the numbers on the real number line.x > -7
A.
B.
C.
D.
Use set-builder notation to write the set.The set of even numbers between -5 and 5
A. {-5, -3, -1, 1, 3, 5}
B. { x is an even number between -3 and 3}
C. {-3, -1, 1, 3}
D. { x is an even number between -5 and 5}
Provide an appropriate response.Explain the error in the following: =
-
= x - 6.
What will be an ideal response?