Answer:
x=40°
Step-by-step explanation:
(x-5)+(x+15)=90°
2x+10=90
2x=80
x=40°
Answer:
#1 4) 15 boys to 40 girls #2 1) 1, 3, 4, 6 #3 1) 3/5
Step-by-step explanation:
#1 3:8 Multiply both sides of this ratio by 5 15:40
#2 1, 3, 4, 6 These statements are all true.
#3 9/15 Divide both numbers by 3 3/5
Answer: 311.5
Step-by-step explanation: 35*8.9=311.5
311.5/35=8.9
A distribute the 5 is the first step
Step-by-step explanation:
2 squared is 4
4 + 1 is 5
good luck