AnswersGrade 7 MathematicsUnderstanding Expressions

Understanding Expressions — Quiz Answers

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4

What are the constants in this expression? negative 10 point 6 plus 9 tenths plus 2 fifths m minus 2 point 4 n plus 3 m

A
negative 10 point 6 and 9 tenths
B
negative 10 point 6 and negative 2 point 4
C
9 tenths and 2 fifths
D
negative 2 point 4 and 3
6

Keecia joins a gym. She pays a membership fee of 75 point 0 0 dollars and 49 point 9 9 dollars per month for the first 8 months. The gym increases its rates, and she must pay 59 point 9 9 dollars per month for the next 4 months. Which numerical expression can be used to find the total cost of the first year of Keecia’s gym membership?

A
75 plus 49 point 9 9 plus 59 point 9 9
B
75 minus 8 times 49 point 9 9 plus 4 times 59 point 9 9
C
75 plus 8 times 49 point 9 9 plus 4 times 59 point 9 9
D
75 plus open paren 8 plus 4 close paren times open paren 49 point 9 9 plus 59 point 9 9 close paren
7

What are the coefficients in this expression? 6 A minus 3 fourths plus 7 point 5 minus b over 3

A
negative 3 fourths and 7 point 5
B
negative 3 fourths and negative 1 third
C
6 and negative 3
D
6 and negative 1 third

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Understanding Expressions — Quiz Answers — Grade…