Answer:
k =3
Step-by-step explanation:
2/5(5k+35) -8 =12
Add 8 to each side
2/5(5k+35) -8+8 =12+8
2/5(5k+35) =20
Multiply each side by 5/2
5/2 *2/5(5k+35) =20*5/2
5k+35 = 50
Subtract 35 from each side
5k+35-35 = 50-35
5k = 15
Divide by 5
5k/5 = 15/5
k =3
Answer:
6root 85 /85 is ans..
Step-by-step explanation:
given,
a=7 and b=6
as it is a Right angled triangle
h^2=p^2+b^2

so,

=

now, sin thita=p/h
so sin thita=


ans...
hope its helpful....
Answer:
The change in temperature is 3 degrees celsius.
Step-by-step explanation:
Answer:
Step-by-step explanation:
20% of 650
1/5 of 650
130=red
520= not red