Sum of interior angles = (n-2) × 180<span> = (5-2) x 180 = 3 x 180 = 540
so
x + 90 + 107 + 144 + 138 = 540
x + 479 = 540
x = 540 - 479
x = 61</span>
Answer:
68.58 cm
Step-by-step explanation:
multiply 27 by 2.54
Answer:
15
Step-by-step explanation:
Let's call Leah's age l and Rachel's age r. We can write:
l = 3r - 2 (1)
l + 3 = 2(r + 3) + 7 (2)
Substituting (1) into (2) we get:
(3r - 2) + 3 = 2(r + 3) + 7
3r + 1 = 2r + 13
r = 12
In 3 years Rachel will be 12 + 3 = 15 years old.
First no. = x
Second no. = y
Equation Formation
4 x = 2 y.................equation (i)
x + y = 10...............equation (ii)
y = 2 x
x +2 x = 10
3 x = 10
x = 3 1/3
y = 10 - 3 1/3
y = 6 2/3
Answer = 3 1/3 , 6 2/3
Answer: OPTION C.
Step-by-step explanation:
Direct variation, by definition, has the form shown below:
y=kx
Where k is the constant of proportionality.
Then if you solve fo y from the given equation, you obtain the following form:
Therefore y varies directly with x².
