Answer:
D
Step-by-step explanation:
3k +4k+2k+10+6
Collect like terms
9k +16
Answred Gauthmath
A=4*<span>π*r^2
A=4*</span><span>π*2^2
=50.3</span>
Answer:
There are 30 students in the class
Step-by-step explanation:
we can write a ratio as:
8:10 as 24:x
Writing this as an equation gives:
8
10
=
24
x
We can now solve for
x
while keeping the equation balanced:
10
x
×
8
10
=
10
x
×
24
x
10
x
×
8
10
=
10
x
×
24
x
x
×
8
=
10
×
24
8
x
=
240
8
x
8
=
240
8
8
x
8
=
30
x = 30
Answer:
Complementary and supplementary both describe an angle relationship. Complementary angles are angles that when added are equal to 90 degrees, (right angle). Supplementary angles are angles that when added together are equal to 180 degrees, (straight line). Two angles do not have to be adjacent to be complementary or supplementary.