The denominator in the first fraction is 100 and 300 in the second, which means the first one was multiplied by 3 ( 100 * 3 = 300)
Multiply the numerator by 3: 33 * 3 = 99
The answer is 99.
Answer:
7 (7y - 2)
Step-by-step explanation:
49y - 14
Factor out 7.
7 (7y - 2)
Hope it helps. =)
Answer:
64
Step-by-step explanation:
Given that an advisor to the mayor of a large city wants to estimate, within 3 minutes, the mean travel time to work for all employees who work within the city limits.
Let X be the random variable denoting the time for employees to travel within city limit
Std dev of X
For 95% confidence interval Z critical 1.96 is used because population std dev is known
Margin of error
i.e.
where n is the desired sample size.
Simplify to get
Hence atleast 64 employees should he poll
Answer:
'Sometimes' is the correct option
Step-by-step explanation:
We are given the statement,
'A kite is a rhombus'.
We know that,
Rhombus - is a parallelogram whose all four sides are equal and opposite angles are equal.
Kite - is a quadrilateral having two equal length adjacent sides and the angles where the pair of adjacent sides meet are equal.
So, we get that,
<em>Thus, the kite is a rhombus when the all the sides of a kite are equal.</em>
Hence, 'A kite is sometimes a rhombus'.