Answer:
The ratio of red marbles to yellow marbles will be: 2 : 20 or 1 : 10
Step-by-step explanation:
As from the information
- The ratio of red marbles to blue marbles is 1 : 4.
- The ratio of blue marbles to yellow marbles is 2 : 5.
Multiply the ratio of red to blue marbles with 2.
1 : 4 = 1 × 2 : 4 × 2 = 2 : 8
Multiply the ratio of blue marbles to yellow marbles with 4.
2 : 5 = 2 × 4 : 5 × 4 = 8 : 20
Now the ratio of red : blue : yellow marbles will be:
2 : 8 : 20
Therefore, the ratio of red marbles to yellow marbles will be:
2 : 20 or 1 : 10
Keywords: ratio, fraction
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The answer is 120. Just do 12·12=144. Then 144·5/6=120
Area = l * w 104 =(w+5) * w w2 +5w -104 =0 (w+13)(w-8)=0w=13 and w=8so width =8length=13
B) 1 and the square root of 3
Source: http://www.1728.org/trig2.htm