Answer:
40+5x=62.50
Step-by-step explanation:
8 friends 5 dollars is 40 dollars. Each popcorn bag is 2.5
40+5(2.5)=62.5
40+12.5=62.5
48 = 6x8 , use key words “48 is” indicates that it’s 48 = and then 6 times greater than 8 indicates 6x8 ( is means equals, and times means multiplication )
Answer:
Step-by-step explanation:
the symbol "ㅠ" is pie, which is 3.142
3.142 x 2=6.284
6.284 ÷ 3=2.09466666667
2.09466666667 can be rounded up to 2.15
Answer:
Fraction Decimal Percent
1/5 0.2 20%
Step-by-step explanation:
Answer:
Below in bold.
Step-by-step explanation:
sin ^2x + cos ^2 x = 1, so
cos^2x = 1 - (5/11)^2 = 96/121
cos x = √96/11
= 4√6/11.
sin 2x = 2 sinx cosx = 2 * 5/11 * 4√6/11.
= 40√6/121.
cos2x = 2cos^2 x - 1
= 2 * 96/121 - 1
= 192/121 - 121/121
= 71/121.
