Triangles angles always add up to be 180 degrees
So far you have 110 out of 180
180-110=770
The 3rd angle is 70 degrees
Answer:
y=3
Step-by-step explanation:
not too sure if you have sin square .
if it's sin square.
so y= 3+5sin^2(0- pie)
so the answer will be y=3
because
if you multiple 5sin square to (0-pie) =0
so you y=3.
if the equation is not what I wrote post the equation with a pic , I will help if I see it.
hope that helps
Answer:
Step-by-step explanation:
x + 2y = 14 ...............(1)
6x + 3y = 21 ..............(2)
Solve for x in equation 1
When x + 2y = 14
Therefore x = 14 - 2y ...................(3)
Now put equation 3 in equation 2 and solve
6x + 3y = 21 .............(2)
6(14 - 2y) + 3y = 21
Open the bracket and resolve
84 - 12y + 3y = 21
-9y + 84 =21
Now collect the like terms
-9y + 84 = 21
-9y = 21 - 84
-9y = -63
Divide through by -9 to get y
y = -63/-9
y = 7
Substitute for y in equation( 3 )to x
x= 14 - 2y............(3)
So, x = 14 - 2(7)
x = 14 - 14
x = 0.
Therefore x = 0 and y = 7
Check: From equation (1)
x + 2y = 14
Now, put x = 0 and y = -2
Therefore, 0 +2(7) =14
0 +14 = 14
The answer is 39 cm squared
Answer:
it is 30
Step-by-step explanation:
i nailed the test