Ignore #11 and #13; just need help with #12. TYSM (18 point question)
1 answer:
Answer:
22.5°
Step-by-step explanation:
it's a right angle which equals 90°
which is 4 times as much as x
so i just divided 90 by 4
however since you are using formulas it would be written
90 ÷ 4 = x
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Answer:
16.6
Step-by-step explanation:
The answer to this question is 27/28
1 quarter note=2 eighth notes
1 eight note=2 sixteenth notes
so
1 quarter note=4 sixteenth note
so
times 3 both sides
3 quarter notes=12 sixteenth notes
Answer:
Step-by-step explanation:
4. 10x + 30 = 90
10x = 60
x = 6
complementary
5. 4x + 40 + 3x = 180
7x + 40 = 180
7x = 140
x = 20
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