Frank writes his name in both French and English with chalk, pen, pencil and marker. How many different ways did he write his na
1 answer:
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Answer:
1. (4, 3) and (-3, 4) has Slope = -1/7
2.(-2, 0) and (8, -4) has Slope = -2/5
Step-by-step explanation:
If two such points (a,b) and (c,d) are given, then the slope S is given as:
Now here, the given set of points are:
1. (4, 3) and (-3, 4)
Here, the slope S =
⇒ S = -1/7
1. (-2, 0) and (8, -4)
Here, the slope S =
⇒ S = -2/5
Answer:
Required equation :
Together they can paint the same room in 2.25 hours or 2 hours 15 minutes.
Step-by-step explanation:
It is given that Dale Horton can paint a certain room in 3 hours.
One hour woks of Dale Horton = 1/3
Kathy Garcia can paint the same room in 9 hours.
One hour woks of Kathy Garcia = 1/9
Let together they can paint the same room in t hours.
One hour woks of both = 1/t
After reciprocal we get
1 hour = 60 minutes.
0.25 hour = 15 minutes.
Therefore, together they can paint the same room in 2.25 hours or 2 hours 15 minutes.