Which expression is equivalent to 13x(9y – 12)? A. 3xy − 4 B. 3xy − 4x C. 3xy − 12 D. 3y − 4x
1 answer:
Answer:
<h2>B. 3xy − 4x</h2>Step-by-step explanation:
step one:
Given the expression 13x(9y – 12) we are expected to expand the expression to obtain a similar expression given in the options
step two
we proceed by
step three
we proceed to both terms in the expression
bt a common factor which is 39
From our analysis, the option D matches the expression
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Answer:
The correct answer is D. 360,360.
Step-by-step explanation:
Number of cities as stopovers available for selection for an European tour = 15
A traveler has to select a total of five cities from these the given 15 cities for his tour and order is determined by the travel company.
Therefore the number of ways the traveler plan such a tour is given by = 3003.
Now the order of the cities chosen by the travel company is given by 3003 × 5! = 360,360 ways.
The formule is about area of a circle.
We need to solve the equation for x. Where x is the radius of the circle.
In order to solve it for x, we need isolate it for x on left side.
So, first we need to get rid pi from left side.
On dividing both sides by pi, we get
Taking square root on both sides, we get