Answer:
r =
Step-by-step explanation:
The distance from the centre to a point on the circle is the radius r
Calculate r using the distance formula
r =
with (x₁, y₁ ) = (0, 0 ) and (x₂, y₂ ) = (2, 5 )
r =
=
=
=
Select all the irrational numbers
2 answers:
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The sweater cost more originally. It costs $2.50 more from jacket.
Step-by-step explanation:
Given,
Discount rate of sweater = 20%
Sale price of sweater = (100-20)% = 80%
Discount rate of jacket = 15%
Sale price of jacket = (100-15)% = 85%
Sale price of each item = $34.00
Let,
x be the original price of sweater.
y be the original price of jacket.
80% of x = 34
Dividing both sides by 0.80
The original price of sweater is $42.50
85% of y = 34
Dividing both sides by 0.85
The original cost of jacket is $40
Difference = 42.50 - 40 = $2.50
The sweater cost more originally. It costs $2.50 more from jacket.
Keywords: subtraction, division
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