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Oduvanchick [21]
3 years ago
8

Which unit is Gallegos most likely to use when measuring the length and width of his garage floor?

Mathematics
1 answer:
vichka [17]3 years ago
7 0
Probably feet or meters depending on where he is. I would go with feet
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you are riding your bike and notice the square sign above. You mentally draw a straight line from point A to C. Describe the ang
inysia [295]

Answer:

They are both equal obtuse angles


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3 years ago
The packaging lists a model airplane’s length as 10.5 in. It also gives the scale as 1:83. What is the length of the actual airp
Lana71 [14]
\bf \cfrac{\stackrel{model}{length}}{\stackrel{actual}{length}}\qquad 1:83\qquad \cfrac{1}{83}\implies \cfrac{1}{83}=\cfrac{10.5}{x}\implies x=\cfrac{83\cdot 10.5}{1}
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x=871.5~inches
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\textit{there are 12 inches in 1 foot, thus }
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6 0
3 years ago
Listed below is data on profit and market capitalization for a sample of 15 different firms in U.S. Profit is the y variable and
MissTica

Answer:

Step-by-step explanation:

Hello!

You have two study variables:

Dependent variable

Y: Profit of the firm in the U.S.

Independent variable

X: Market capitalization of the firm

a.

See the scatterplot in the attachment.

Looking at the graphic it seems that there is a positive regression between the profit and the market capitalization, meaning that every time the market capitalization of the firm increases, the profit of this firm also increases. But not all the "firms" adjust linearly, so I wouldn't expect the regression to be powerful.

b.

The regression model is E(Yi)= α + βXi

Where the parameters of the model are α and β, these two parameters are to be estimated to estimate the regression equation. The estimator for α is a and the estimator for β is b:

a= Y[bar] - bX[bar]

b= [∑XY-(∑X*∑Y)/n]/[∑X²-(∑X)²/n]

I'll use a statistic software to calculate the estimated regression equation:

^Yi= a + bXi

^Yi= 325.89 + 0.07Xi

c.

You need to predict the value of Y (Profit) given a value of X= 70721.3 (million). To make this prediction you have to use the estimated equation:

^Yi= 325.89 + 0.07Xi

^Yi= 325.89 + 0.07(70721.3)= 5276.381

The predicted profit for a market capitalization value of 70,721.3 is 5276.381 million.

I hope this helps!

6 0
3 years ago
I need help with this pleaseeeeeeeeeee
sweet-ann [11.9K]
It's a little blurry could you try and take a more clear picture?
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3 years ago
If anyone knows the answer please let me know.<br>​
natali 33 [55]
Reduce the fractions then do the math I always forget to flip the fraction then multiply it by the fraction it already was
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