18 students are going on a field trip and 10 students are staying at school. What is the ratio of the number of students who are
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
Eliminate a
Multiply the first equation by -4
Add to the second equation
Solve brackets
Open bracket
At this point, a has been eliminated;
From the list of given options, the option that answers the question is
Answer:
Option B
Step-by-step explanation:
Formula to be used to calculate the length of an arc,
Length of arc =
Here, θ = Angle subtended at the center by the arc
r = radius of the circle
By substituting values in the formula,
s =
Therefore, Option B will be the answer.