Rebecca answered 42 of 60 questions correctly on a test which method should he she used to find the percent of question she answ
2 answers:
She answered 70% questions correctly
Further explanation:
Percetages are used to calculae the success or failure in tests or exams usually.
Given
The percentage will be calculated as follows:
She answered 70% questions correctly
Keywords: Percentage, Success rate
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Answer:
<h2>a = - 4.8</h2>Step-by-step explanation:
To find the value of a when b=6 we must first find the relationship between them.
The statement
a is inversely proportional to b is written as
where k is the constant of proportionality
When a = 7.2 , b = -4
So we have
k = 7.2 × - 4
k = - 28.8
So the formula for the variation is
When
b = 6
That's
We have the final answer as
<h3>a = - 4.8</h3>Hope this helps you