8x+10x-4+2x+20=
(8x+10x+2x)+20-4=
20x+16=
4(5x+4)
Look at the picture for your answer
Answer:
1 3/5
Step-by-step explanation:
Anything larger than 1 multiplied by 3 1/4 would result in a number more than 3 1/4.
Number of rooms can be wired by electrician is approximately 3
<em><u>Solution:</u></em>
Given that electrician needs rolls of electrical wire to wire each room in a house
To find: number of rooms can he wire with rolls of wire
From given information,
Rolls of wire needed for 1 room =
Total rolls of wire =
<em><u>So number of rooms can be wired:</u></em>
Thus number of rooms can be wired is or approximately 3 rooms
Any prism has a volume equal to the base area x height. Your base area is that of a pentagon, which you can easily find in google typing 'area pentagon', which has a nice expression with square roots that I can't/don't need to write here.