9 days ago

Study the road plan shown in the figure. A service station will be built on the highway, and a road will connect it with Cray. H

ow long will the new road be?
A.180 mi

B.120 mi

C.240 mi

D.300 mi

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Construct a residual plot of the amount of money in a person’s bank account and their age that would indicate a linear model.

lawyer [12517]

Answer:

The regression line is not an appropriate model due to the existence of a pattern in the residual plot.

Step-by-step explanation:

A residual plot has been provided for a certain data set.

The residual plot indicates a scatter relationship between x and y.

The plotted points demonstrate that a linear relation is unlikely; it appears to be more parabolic or exponential in nature.

This suggests the regression line is not a suitable model as the residuals do not converge towards 0.

Additionally, a linear trend pattern is absent.

D) The regression line is not a suitable model as it exhibits a pattern in the residual plot.

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2 months ago

Please help! Tim and Jane both work at a company that sells boxes of breakfast cereal. The boxes of cereal cost £3.00 and the am

PIT_PIT [12445]

Jane must lower the price by 20%

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2 months ago

A waterbed filled with water has the dimensions 8ft by 7 ft by .75 ft taking the density of water to be 1.00/gm cubed how many k

Svet_ta [12734]

Density can be defined as:

$D = \frac{m}{V}$

Where:

m is mass

V stands for volume

To isolate the mass, we derive:

$m = DV$

Volume can be expressed as:

$V = (8) * (7) * (0.75)$

$V = 42ft ^ 3$

We then use the following conversion:

$1foot = 0.3048m$

After applying the conversion, we arrive at:

$V = 42 * (0.3048) ^ 3$

$V = 1.19m ^ 3$

Additionally, we have these conversions:

$1m = 100cm$

$1Kg = 1000g$

When we apply these conversions for density, we conclude:

$D = (1\frac{g}{cm^3})((\frac{100}{1})^3\frac{cm^3}{1m^3})(\frac{1}{1000}\frac{Kg}{g})=1000\frac{Kg}{m^3}$

Finally, the mass of the water required is:

$m = (1000) * (1.19)$

$m = 1190$

Answer:

A total of 1190 kilograms of water is needed to fill the waterbed.

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3 months ago