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Juliette [100K]
3 years ago
10

Please help! It's a grade nine math question.

Mathematics
2 answers:
mash [69]3 years ago
8 0

Answer:

Step-by-step explanation:

Area of the Square

Area = s^2

s = 16

Area = 16 * 16

Area = 256

Area of the Circle.

Area of the Circle = pi*r^2

16 inches is a diameter for the circle.

2r = d

r is the radius

d is the diameter = 16

2r = 16           Divide by 2

2r/2 = 16/2    Do the division

r = 8

Area of the circle = pi*r^2

Area of the circle = 3.14*8^2

Area of the circle = 200.96 cm^2

Area of the shaded area

Area of the shaded area =area of the square - area of the circle

Area of the shaded area = 256 - 200.96

Area of the shaded area = 55.04

 

Jobisdone [24]3 years ago
5 0
Is that all the info they gave you? Idk how to work with it
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A proportional relationship is shown in the table below: what is the slope and what numbers do i graph. ty besties
dangina [55]

Answer:

The slope of the line is m = \frac{3}{5} and the equation of the line is y = \frac{3}{5}\cdot x.

Step-by-step explanation:

From table we understand that slope of the line is constant, that is, for each change of x there is one and only change in y, fulfilling the main characteristic of a line and we can determine the slope for every point of the line by means of the following expression:

m = \frac{y_{f}-y_{o}}{x_{f}-x_{o}} (1)

Where:

x_{o}, x_{f} - Initial and final x-coordinates of the line.

y_{o}, y_{f} - Initial and final y-coordinates of the line.

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if I have to add 97 oz of algaecide to 10,000 gallons of water how much should I add if I only have 200 gallons of water​
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Answer:

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You can also do it this way:

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