Answer:
9
Step-by-step explanation:
The reciprocal of 1/9 is 9/1 which is just 9.
Answer: 7:3
Step-by-step explanation:
15 chairs are red
35 are blue
35:15
Simplifies to
7:3
#Lets just write x as the nunber you asked
x × 40/100 = 18
x = 18 : 40/100
x = 18 × 100/40
y = 1800/40
y = 45
<h3>
Answer : 45</h3>
8.7 The absolute value just makes stuff positive.
Answer:
x=6,y=0
Step-by-step explanation:
2x+y=12
3x-y=18
5x=30
x=6
6(3)-y=18
18-y=18
y=0
