The last one is 54aquare units
can you add a pic or image pls?
Answer:
the answer would be -18
Step-by-step explanation:
3+3=6 2×6=12. 7+3=10 3×10=30 12-30= -18
Best not to use "x" to denote multiplication. "x" is usually a variable name in algebra.
3 times 3/5 comes out to 9/5, which is equivalent to 1 4/5.
You'd need to draw not one but two circles and divide each circle into 5 equal "slices." Then you'd shade one circle completely and shade 4 of the 5 slices of the other circle. 9 fifths (9 slices) would be shaded in all.
WE know that (distance) = Speed * time
and Speed = distance/time & time = distance/speed
Let AB = 60 mi. & the speed is 55 mi/h , then the spent to reach the rink is
t= 60/55 = 1.09 h
Since the total time is 2.75 h & he spent 1.09h to go to the rink, so the time spent on his way back is 2.75-1.09 = 1.659 h
So his speed on his way back is 60/1.659 =36.16 mi/h