Answers are:
1) Z+5
2) 4 times the sum of 21 and the number n
3) 2.5r
4) 3
5) 9
which is an algebraic equation 5 more than z?
5z
z + 5
5z + 5
5 - z
Which word phrase can be used to represent the algebraic expression 4(21 + n)
4 plus the sum of 21 and a number n
4 times the product of 21 and a number n
4 times the sum of 21 and a number n
4 less than the sum of 21 and a number n
Suppose you are building a brick border for a garden by stacking rows of bricks on top of each other. If the height of each brick is 2.5 inches and r represents the number of rows, which algebraic expression would represent the height of the brick wall?
2.5 + r
2.5r + r
2.5
2.5r
simplify the following expression 5^2 - 4 / 5 + 2
1/7
6/7
26.2
3
find the value of the expression below for r = 4 and t = 2
t^3 - r + 20 ÷ r
9
72
6
40
1 answer