The ratio 4/7:8/21 has a unit rate of 3/2 true or false
1 answer:
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Answer:
B. 5
Step-by-step explanation:
We have been given that R varies directly with S. When S is 16, R is 80. We are asked to find constant of variation.
We know that two directly proportional quantities are in form , where,
k = Constant of variation.
Upon substituting our given values, we will get:
Therefore, the constant of variation is 5 and option B is the correct choice.
Answer:
Step-by-step explanation:
base = 7 units
height = 12 unit
Area of triangle =