What is the answer to 6 3/8 -3/4- 1/2 =
1 answer:
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Answer:
Step-by-step explanation:
<u>1 transformation</u> - translation 3 units to the right and 4 units down. This translation has the rule
<u>2 transformation</u> - reflection across the x-axis. This reflection has the rule
<u>3 transformation</u> - dilation by a factor of 4 with the origin as the center of dilation. This dilation has the rule
Now, the sequence of these three transformation has the rule
Answer:
15hrs
Step-by-step explanation:
We can start by expressing the speed of the second trip as x. This means that the first trip must be x-1, and second (x-1)-1=x-2. Next we can form an equation with the information that the third day hike takes 30 min longer than second day hike. Since we now the distance of both days, we can express them in time. So... ... We can solve by finding a LCM of all three expressions. Doing so we get 2x(x-2). Now multiplying out with the new denominators, we get 36(x-2)+x(x-2)=28x. Solving as a quadratic equation, the solution comes out to be x=6, x=-12. But as speed can't be negative, only solution is x=6. Now we get the speed of each day's hike. First day=x-1=5, second day=6, third day =x-2=4. Finding the time is simple, just do distance/speed. First day=12.5/5=2.5hrs. Second day=18/6=3hrs. Third day=14/4=3.5hrs. Adding total hrs up... 2.5+3+3.5=9. Finally step is accounting for the 2hr digging time per day. 2hrs*3= 6hrs. 6hrs+9hrs=15hrs. Hope this helps!