This is the concept of perimeter of figures, to get the length of material that is required to make a circle with diameter 6 ft, we are required to calculate for its circumference;
circumference, C= π*diameter
C=3.14*6=18.85 ft
therefore it will take a material whose length is 18.85 ft to make a circle of 6 feet
Answer:
24y^15 - 24y^10 + 7
Step-by-step explanation:
f(2y^5)
= 3(2y^5)^3 - 6(2y^5)^2 +7
= 3(8y^15) - 6(4y^10) + 7
= 24y^15 - 24y^10 + 7
Convert feet to inches
100ft=12*100 =1200 inches
convert 24 and 3/8 to improper fraction
24 and 3/8=24+3/8=192/8+3/8=195/8
195/8 times number of pieces=1200
times bothsides by 8/195 to clear fraction (195/8 times 8/195=1560/1560=1)
number of pieces=9600/195
number of pieces=49.23someting
she can cut 49 complete pieces and 1 partial piece
she can cut 50 pieces but 1 of them is shorter than 24 and 3/8 and therefor doesn't count
she cut 49 pieces
Rate for Sally is 1 room per 8hrs
rate for Steve is 1 room per 7hrs
combined rate:
1/8 + 1/7 = 1/T
7/56 + 8/56 = 1/T
15/56 = 1/T
56/15 = T
3 11/15 = 3 hrs 44 min
Answer:
4.5
Step-by-step explanation:
Use sin64=x/5 and simplify to
5sin64 and plug it into a calculator to get 4.49 which is 4.5
