Answer: 144
Step-by-step explanation:
No need explanation
Answer:
x = 77/10
Step-by-step explanation:
Hope this helps!
Answer:
4x7
Step-by-step explanation:
4x7=28
4+4+4+4+4+4+4=28
<span>Tack on the extra charge of $1.25, since she used her credit card, to get 1804+1.25 = 1805.25
Final Answer: <span>$1,805.25</span></span>
Answer:
8x³-27y³=3880
Step-by-step explanation:
2x-3y=10
xy=16
8x³-27y³=?
as we know that
(a-b)³=a³-b³-3ab(a-b)
now we substitue the formula according to our question
(2x-3y)³=(2x)³-(3y)³-3(2x)(3y)(2x-3y)
(10)³=8x³-27y³-18(16)(10)
1000=8x³-27y³-2880
1000+2880=8x³-27y³
3880=8x³-27y³
