Answer:
B.
Step-by-step explanation:
Range is all the set y values.
Answer:
Solution: X=144
Equation: x/(-9)= -16
Step-by-step explanation:
the / is divide
the first part of the word problem states that a number x is being divided by -9, x/-9 then it states that this equation equals -16 therefore,x/-9=-16.
Answer:
112
Step-by-step explanation:
[ Answer ]

[ Explanation ]
5x + 13 = 13
Solve Equation To Figure Out Solution(s)
Subtract 13 From Both Sides:
5x + 13 - 13 = 13 - 13
Simplify:
5x = 0
Divide Both Sides By 5:
= 
Simplify:
X = 0
X = 0. This Means, There Is One Solution To This Algebraic Equation
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Let x be the mass of the paperbacks and y be the mass of the textbook.
20x + 9y = 44.4 ----------- (1)
25x + 10y = 51 -------------(2)
(1) x 10:
200x + 90y = 444 --------(1a)
(2) x 9:
225x + 90y = 459 --------(2a)
(2a) - (1a):
25x = 15
x = 0.6 -------- sub into (1)
20 (0.6) + 9y = 44.4
12 + 9y = 44.4
9y = 44.4 - 12
9y = 32.4
y = 3.6
So the paperback's mass is 0.6 pounds and textbook is 3.6 pounds