Georgia needed some batteries for her flashlights. She bought 4 batteries for $6.80. At that rate, how much would 10 batteries c
1 answer:
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Answer:
5 units
Step-by-step explanation:
The radius is the distance from the centre of the circle to a point on the circumference.
Use the distance formula to calculate the radius r
r = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (- 3, 2) and (x₂, y₂ ) = (1, 5)
r =
=
=
= = 5
Brian's cholesterol level is 282 now
Step-by-step explanation:
The percentage formula will be used to calculate the present level of Cholesterol.
Given
Previous cholesterol level = 300
Percentage decrease = 6%
The present cholesterol level will be:
=
So,
Brian's cholesterol level is 282 now
Keywords: Percentage, decrease
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