Step-by-step explanation:
BAC=20°
BCA=90°
BC=3(P)
AB=?(H)
NOW,
SinΘ=<u>P</u>
H
Sin 20°=<u>3</u><u> </u><u> </u><u> </u>
AB
0.342=<u>3</u><u> </u><u> </u><u> </u>
AB
AB=<u>3</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>
0.342
AB=8.77
Answer:
Tommy made a mistake in the concept of adding these fractions. He added the numerators together, resulting in 7. He then added the denominators, resulting in 15. His result is 7/15, which is wrong.
What you are supposed to do is find the least common denominator (LCD) of the two fractions. Of 3/10 and 4/5, the LCD is 10. 3/10 + 8/10 (8/10 is the same as 4/5) = 11/10 or 1 1/10
Answer: C. 7x^2+4x-5
Step-by-step explanation:
Add as you would normally. Exponents can look scary but don’t mind them. First add 5x^2 & 2x^2 to get 7x^2. Then do -5x + 9x. An easier way of doing that would be 9x-5x to get 4x. Lastly do 1 -6 to get 5.
Answer:
102 ft^2
Step-by-step explanation:
Im pretty sure area for a parallelogram is the same as a rectangle, so A = bh which would be 12 x 8.5
First multiply what's within the parentheses.
(Five times 2 = ten) times ( three times fifteen= 45)
(Ten) times (45) equals 450
