Hat is the gradient of the line parallel to the line 4y+6x=8?
2 answers:
Answer:
gradient = -
Step-by-step explanation:
Parallel lines have equal slopes/ gradients
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Given
4y + 6x = 8 ( subtract 6x from both sides )
4y = - 6x + 8 ( divide terms by 4 )
y = - x +
y = - x + 2 ← in slope- intercept form
with slope / gradient = -
The gradient of a parallel line is then m = -
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Answer:
The time taken by both when they work together is 2 hours 42 minutes .
Step-by-step explanation:
Given as :
The time taken by Ryan to dig 10 ft by 10 ft hole = x = 5 hours
The time taken bu Castel to dig 10 ft by 10 ft hole = y = 6 hours
Let The time taken by both when they work together = z hours
<u>According to question</u>
The time taken by both when they work together = time taken by Ryan to dig 10 ft by 10 ft hole + time taken bu Castel to dig 10 ft by 10 ft hole
i.e =
+
Or, =
+
<u>Taking LCM</u>
Or, =
Or, =
Or, z = hours
∴ z = 2 hours 42 minutes
So, The time taken by both when they work together = z = 2 hours 42 min
Hence, The time taken by both when they work together is 2 hours 42 minutes . Answer