The time it takes them working together to paint the room is 3.08 hours
<h3>Rational expression</h3>
Rational expression are equation written as a ratio of two expressions or equations.
If Wes can paint a certain room in 8 hours, she can paint 1/8 of the room in 1 hr
Similarly, if Sally can paint the same room in 5 hours, , she can paint 1/5 of the room in 1 hr
Determine the time it takes them to paint the room altogether.
Time together = x
Using the expression below to determine the value of x
1/x = 1/8 + 1/5
1/x = 5+8/40
1/x = 13/40
x = 40/13
x = 3.08
Hence the time it takes them working together to paint the room is 3.08 hours
Learn more on rational expression here; brainly.com/question/2264785
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Answer:
y= -0.5 x +3
Step-by-step explanation:
at x=0 , y=3
at x=2 , y=2
y= ax+b
b=3
2=2a+3
2a= -1
a= - 0.5
then
y= -0.5 x +3
Answer:
The answer is D.
Step-by-step explanation:
By the time 4 seconds has passed, the line is at the bottom of the graph, which represents the time the ball has landed. I hope this helps.
5 on red and 2 on the blue - 1 way
2 on red and 5 on blue - 1 way
In a similar way you will have 2 of combination 3 and 4
and 2 of combination 1 and 6
Total 6
(o,6 ) is where it crosses the y-axis
(3,0) is where it crosses the x-axis
create a linear equation for this line 3x + 6y = 0
(2,2) not understood
(1,4) not understood
