Answer:
5 1/4
Step-by-step explanation:
To convert into an improper fraction, we times the whole number by the denominator and then add the numerator. For the first number, it is 15/4 and the second number is 7/5. Then we multiply 15/4 and 7/5 to get 5 1/4.
99/5
CONVERT INTO:
33/4 x 12/5
MULTIPLY THE FRACTIONS:
(33x12)
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5
CANCEL TERMS:
(33x3)
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SIMPLIFY:
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11 X 34 then divide that by two which is 187
Hey there!!
Always remember -
wave length = velocity / frequency
Now substitute the values
Wave length = 10 / 4
Wave Length = 2.5 m
