Answer:
x + 3y = 5
5x - 3y = 7
Add up both equations, then:
6x = 12
=> x = 2
=> y = (5 - 2)/3 = 1
Answer:
6.82 cm
Step-by-step explanation:
1000=V=pi*r^2*h. 1000=pi*r^3, r=6.82 cm
The 3 is distributed to the a+b inside the brackets........
Divide it by 3.
$2.34 divided by 3.
Answer:
11.53 degrees.
Step-by-step explanation:
ok so we know the hyp and opp sides. this means that it is sin. according to SOHCAHTOA we do sin^-1(2/10). you should get 11.53