Addy is taking a test with multiple choice and True/False questions. On the test, Addy got a total of twenty questions correct.
Addy gets five points for correct multiple-choice answers and one point for each correct True/False answer. She earned 76 points on the test. How many multiple-choice questions and how many True/False questions did Addy get correct?
Use 2 equations to find your answer
Use 2 equations to find your answer
2 answers:
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The formula for finding the circumference of a circle is (where d is the diameter). So, simply plugging in 622 mm for <em>d </em>and 3.14 for pi, we find that c = 622 * 3.14 = 1953.08 mm.
Answer:
x = ± 10
Step-by-step explanation:
to solve the equation let y = 0 , that is
100 - x² = 0 ( add x² to both sides )
100 = x² ( take square root of both sides )
± = x , that is
x = ± 10