3 years ago

Find each sum.Simplify if possible

2 answers:

8 0

Number 2 is 7 9/8 but its an improper fraction so you'll have to reduce that since im having trouble doing that.

Number 5 is 9 11/12

Hope this helps!

Dmitrij [34]3 years ago

6 0

2) 6 3/4 is = to 6 6/8 1 3/8 + 6 6/8= 8 1/8 The answer is 8 1/3 5) 3 1/4 ×3=3 3/12 6 2/3 ×4=6 8/12 3 3/12+ 6 8/12= 9 11/12 The answer is 9 11/12

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In triangle ABC, angle A = 2x°, angle B = (x-45)° and angle C = (x-15)°.

Lelechka [254]

$Sum\ of\ angles\ in\ triangle\ is\ equal\ to\ 180^{\circ}\\\\
To\ find\ x\ sum\ all\ angles:\\
2x+x-45+x-15=180\\\\
4x-60=180\ \ \ |Add\ 60\\\\
4x=60+180\\\\
4x=240\ \ \ |Divided\ by\ 4\\\\
x=60^{\circ}\\\\
\angle \ A=2x=2*60=120^{\circ}\\
\angle\ B=x-45=60-45=15^{\circ}\\
\angle\ C=x-15=60-15=45^{\circ}\\\\Triangle\ is\ \textbf{obtuse}.$