(0.7)(0.4)=0.28 because 7×4 is 28 and you just add a 0
Answer:
x=28°
Step-by-step explanation:
2x+3x-10+50=180
5x+40=180
5x=180-40
5x=140
x=140/5
x=28°
Answer:
96
Step-by-step explanation:
Answer:
9/20
Step-by-step explanation:
1/3 * 3/5 * 2 1/4 =
1/3 * 3/5 * 9/4=
1/5 * 9/4 =
9/20
12+(-6)-[(-21)/3]
=6-(-7)=6+7=13