Answer:
1.)x=15
2.)135°
3.)60°
4.)100°
5.)65°
Step-by-step explanation:
1.9x+4x+(5x+25)+(5x-10)=360
23x+15=360
23x=360-15
23x=345
23x/23=345/23
x=15
2.9x
=9(15)
=135
3.4x
=4(15)
=60
4.5x+25
=5(15)+25
=75+25
=100
5.5x-10
=5(15)-10
=75-10
=65
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Answers & Comments
Answer:
1.)x=15
2.)135°
3.)60°
4.)100°
5.)65°
Step-by-step explanation:
1.9x+4x+(5x+25)+(5x-10)=360
23x+15=360
23x=360-15
23x=345
23x/23=345/23
x=15
2.9x
=9(15)
=135
3.4x
=4(15)
=60
4.5x+25
=5(15)+25
=75+25
=100
5.5x-10
=5(15)-10
=75-10
=65