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3 years ago

If a circle has a diameter of 91 units how many units is the radius

Mathematics

2 answers:

dezoksy [38]3 years ago

8 0

Answer: 45.5

Step-by-step explanation: 91/2 because to find the diameter you have to multiply the radius by 2 and now we need to reverse it

deff fn [24]3 years ago

7 0

Answer:

r =45.5 units

Step-by-step explanation:

The diameter is twice the radius, or the radius is 1/2 the diameter

r = d/2

r = 91/2

r =45.5 units

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Assuming the trunk is at least 96 inches deep, can the TV fit into the trunk of the car?

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yes it can fit

Step-by-step explanation:

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3 years ago

Mr. Parker has driven 55 miles of a 300-mile trip. If he is traveling at or below the 70 miles per hour speed limit, how much lo

juin [17]

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3 years ago

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Does the residual plot show that the line of best fit is

Iteru [2.4K]

Answer:

$e_1 = 3.5-4.06= -0.56$

$e_2 = 2.3-2.09= 0.21$

$e_3 = 1.1-0.12= 0.98$

$e_4 = -2.2-(-1.85)= -0.35$

$e_5 = -4.1-(-3.82)= -0.28$

The plot is on the figure attached. And we can see that the residuals shows a curved pattern so then the best conclusion for this case would be:

Yes, the points are in a curved pattern.

Step-by-step explanation:

The correct formula for the residuals is given by:

$e_i =y_i -\hat y_i$

Who represent the observed value minus the predicted. We can find the individual residuals and we got:

$e_1 = 3.5-4.06= -0.56$

$e_2 = 2.3-2.09= 0.21$

$e_3 = 1.1-0.12= 0.98$

$e_4 = -2.2-(-1.85)= -0.35$

$e_5 = -4.1-(-3.82)= -0.28$

The plot is on the figure attached. And we can see that the residuals shows a curved pattern so then the best conclusion for this case would be:

Yes, the points are in a curved pattern.

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3 years ago