Important:
The sum of the three angles inside
every triangle is always 180°.
First, look at the left triangle alone.
Two of its angles are 46° and 58° . (46° + 58° ) = 104°
That leaves (180° - 104° ) = 76° degrees for the third angle.
The third angle in that triangle is 'x'.
x = 76° .
At the point where 'x' and 'z' come together:
'x' and 'z' are a "linear pair".
Placed side-by-side, they form a straight line.
So (x + z) = 180° .
But x = 76°.
So z = (180° - 76°). z = 104° .
Now look at the the skinny triangle on the right alone.
The angle at the top is 13°, and z = 104°.
(13° + 104°) = 117° .
That leaves (180° - 117°) = 63° for the third angle.
'y' is the third angle.
y = 63° .
Answer:
(b)
Step-by-step explanation:
graph plotting
when x = -3 , y = 4
when x= -2 , y = 0
when x = -1 , y = -2
when x = 0 , y = -3
when x = 1, y = -3.5
Answer:
Step-by-step explanation:
This is what I got
Answer:
yes
Step-by-step explanation:
e
Answer:
Step-by-step explanation:
When "y varies directly with x" this means that:
where k is a number we need to find out (called the constant of proportionality if you care about that).
We can figure out what k is because they tell us when y= -252, x=84. Substituting those values into our equation we get:
and therefore:
.
So our equation or formula between y and x is:
.
So when x = 74, then: