Lets x and y are the value of two numbers.
x + y = 16
x - y = 2.4
If x + y = 16 then x = 16 - y
Substitute x = 16 - y into x - y = 2.4
16 - y - y = 2.4
16 - 2y = 2.4
2y = 13.6
y = 6.8
x = 16 - y
x = 16 - 6.8
x = 9.2
Answer:
The value of two numbers are 9.2 and 6.8
Which color do most children like best? ask 10 children make tally mark for each child's answer
there
Answer:
Step-by-step explanation:
The formula of a slope:
We have the points (-3, 5) and (-1, 4). Substitute:
Answer:
4.5
Step-by-step explanation:
#1. x>1
#2. x≤-2
Always put the variable on the left and the inequality sign should be the way the arrow is facing on the graph