Use the sliders to adjust the original cost and markdown to find the sale price.
A store bought jeans for $40 a pair and sold them for
$70 a pair.
Original Price
Markdown
Sale Price
Sale Price Calculation
$50.00
$0.00
$50.00
After a few weeks, the store manager put the jeans on
sale at 15% off. What was the sale price?
$
$10 $20 $30 $40 $50 $60 $70 $80 $90
Original price: $50
Markdown: 0%

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

the population of other specie of birds will decline or other specie of birds will find some alternate source of food to survive.

explanation:

according to the competitive exclusion principle, which is also known as gause's law, two specie living in the same niche and feeding on the same resource cannot co-exist stably.

as we have well studied the theory of natural selection which states that only those organisms survive which have better tendency to compete for food and adapt to the environmental conditions.

coming towards the question, what wi ll happen when one species outcompetes the other for the small fish , the other specie will not get enough food and will start to die or decline in population. eventually either other specie needs to find another alternative food source for itself or migrate at some other location where there is less competition otherwise it will just not exist anymore at that niche.

hope it !

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step-by-step explanation:

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x = 3 ± √(5+y)