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Free_Kalibri [48]

2 years ago

15

At a store, they cut the price 40% for a particular item. By what percent must the item be increased if you wanted to sell it at

the original price?

1 answer:

Alona [7]2 years ago

8 0

1 / 0.6 =

166%

they must raise by 2/3's or 66%

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4 0

3 years ago

What is the point of intersection when the system of equations below is graphed on the coordinate plane?

Artist 52 [7]

Answer:

This system of equations has infinite points of intersection

Step-by-step explanation:

* To know the point of intersection of the system of equations,

you will solve the graphically or algebraically

- Graphically by drawing two lines on the coordinate plane

- Algebraically by substitution method or elimination method

* Lets use the substitution method

∵ y = 4 - x

∵ 2y = 8 - 2x

- Substitute y in the second equation by its value in the

first equation

∴ 2(4 - x) = 8 - 2x ⇒ open the bracket

∴ 8 - 2x = 8 - 2x

* The two sides equal each other, that means we can use any

vales of x, and on the graph they will be the same line for

the two equations

∴ This system of equations has infinite points of intersection

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3 years ago