Solve for the following equation 9/4x + 1/3 = 5/2x
1 answer:
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A motorist drove 150 miles in the morning and;
50 miles in the afternoon
His average rate in the morning was twice his average rate in the afternoon
He spent 5hrs driving
Let the times spent driving in the morning be x
Average speed = Distance ÷ time
= 2(
)
Cross multiplying gives;
750 - 150x = 100x
250x = 750 , x =3
Average speed in the morning is 150/3 = 50miles/hr
Average speed in the afternoon = 50/(5-3) = 25miles/hr
Answer:
In x-axis: , In y-axis:
Step-by-step explanation:
The rule of the reflection of a point across the x-axis is as shown:
The reflection of the point across the x-axis is given by
.
The point given to us is , when reflected across the x-axis we get:
Now, when a point is reflected across the y-axis we get the point
.
So when the point is reflected across the y-axis we get:
.