Answer: The plumber worked 7/8 hours in total.
Step-by-step explanation:
Answer:
1) 11
2) 2
3)
4)
5) -2
6)
Step-by-step explanation:
1) 2 + 3 -
=(2 × 2 )+ (3 × 4) - 5
= 4 + 12 - 5
= 11
2) 4 -2 +
= (4 × 2) - (2 × 7) + 8
= 8 - 14 +8
= 2
3) 5 - 3
= 5× - 3× + 4× + 2×
=
=
4)
=
=
5)
=
= -2
6)
=
= 2× - 2× -
=
=
Hope the working out is clear and will help you. :)
Answer:
Step-by-step explanation:
8/3 = 2.6666 (repeating 6)
so rounded about 2.7 minutes per lap :)
X = 80
y = 85
If you look at only the left triangle, you can see that x is part of one of the angles. The 3 interior angles of the triangle add up to 180 degrees, so subtracting the other two angles, you get x + 30 = 110, or x = 80.
The same method can be used for the other triangle to find y.
Answer:
It is the one on the right
Step-by-step explanation: