Answer:
y = 12
Step-by-step explanation:
Complementary angles sum to 90 , so
3y - 1 + 4y + 7 = 90
7y + 6 = 90 ( subtract 6 from both sides )
7y = 84 ( divide both sides by 7 )
y = 12
Yes so i do need to doing the times and multipics then get a fraction then u will get tot eh answer
First reduce it.
10:7 In a sense that is about as far down as you can go
You could however make it 1 3/7 to 1
Answer:
here
Step-by-step explanation:
Answer:20cm
Step-by-step explanation:
2/3×30/1=(2×30)/(3×1)=60/3=20cm