Answer:x+42+3x = 90
Combine like terms:
3x+x = 4x
42+4x = 90
Subtract 42 to both sides
90-42 = 48
Divide 4 by 48
48/4 = 12
X = 12
100% right
Step-by-step explanation:
If the top of a 200-m high building has a 20 degree angle of elevation from the bottom of another building, it makes sense that a 10 degree angle of elevation would equal 100m, making the height of the second building 300 m
Answer:
194
Step-by-step explanation:
2/3X=291
x=194
5rs^2(4r^2+5s)
The GCF in this polynomial is 5rs^2.
4x -30 > -10 is your answer:)
have a good one
merry christmas
