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Luden [163]
3 years ago
12

What is the area of the following circle r=2

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

12.57

Step-by-step explanation:

\pi r^2\\\pi (2)^2\\=12.57

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Can someone solve this question?
Rom4ik [11]

The triangles are isosceles. The following notation are for the angles. For example ABD is refer to the angle located in the B vertex, formed by the segments AB and BD.

ABD = ADB\\40 + 2ADB = 180\\ADB = 70 = ABD\\

70 +  DBC + 30 = 180\\DBC = 180 - 100 = 80

Then

BCD = BCD\\2BCD + 80 = 180\\BCD = 50



3 0
3 years ago
Find the volume of this shape<br><br> (17)
Lena [83]

Answer:

84mm^3

Step-by-step explanation:

multiply 12 by 7

7 0
3 years ago
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After running a regression, you plotted the residual against the predicted value. You observed that the residuals seem to increa
DENIUS [597]

Answer:

A. the error term has a constant variance

Step-by-step explanation:

Firstly, note that it is observed the residuals increase as the predicted value increases. Now the natural logarithm transformation will change will change a skewed variable into a normal distributed value, which leads to a linear regression between the both variables, since they (the independent and dependent variables) are normal. A key assumption of linear regression is Homoscedasticity, therefore the error term obtains the same finite variance.

So as soon as the transformation is applied, the error term will therefore have a constant variance.

4 0
3 years ago
peter picked 35 buckets of strawberries the average number of strawberries in each of these buckets were 97 from the buckets the
Alekssandra [29.7K]
Multiply 35 by 97 to figure out how many strawberries there were: 35•97=3,395. Divide by 14 to figure out how many punnets: 3395/14=242.5. Multiply by 1.95 to figure out how much the strawberries went for: 242.5•1.95=472.875. Round to the nearest cent: 472.875=472.88. The answer: $472.88 :)
5 0
3 years ago
Can you answer this because i do not know
lukranit [14]

Answer:

3679

Step-by-step explanation:

11,472-7,793=3679 miles left

3 0
3 years ago
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