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Dmitry_Shevchenko [17]
2 years ago
6

Answer and explanation?

Mathematics
1 answer:
bazaltina [42]2 years ago
8 0
C!
One dollar = $1
And in a math equation is usually a decimal
56 cents is .56 because it’s not a whole new If you add them together you get $1.56 :) hope it helps
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Jeremy subtracted the following rational expressions. His teacher told him that his answer was incorrect. Explain Jeremy's error
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A car company is testing a new type of tire. They want to determine the time to 60 mph from a full stop in light rain, light sno
Andrej [43]

Answer:

For this case the factor would be:

Road conditions

Because we are testing a new type of tire in order to determine if the time to 60 mph from a full stop in light raing, ligth snow and dry conditions.

Step-by-step explanation:

Previous concepts

By definition a factor usually known as "the independent variable is an explanatory variable manipulated by the experimenter".

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"

If we assume that we have p groups and on each group from j=1,\dots,p we have n_j individuals on each group we can define the following formulas of variation:  

SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2

SS_{between}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2

SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2

And we have this property

SST=SS_{between}+SS_{within}

Solution to the problem

For this case the factor would be:

Road conditions

Because we are testing a new type of tire in order to determine if the time to 60 mph from a full stop in light raing, ligth snow and dry conditions.

Th use 5 experimental units that are selected from the an specific lot. And they want to test is the stopping distance is significantly different.

And for this case we can use a one way ANOVA to test if the means are equal  in the 3 groups.

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3 years ago
What is the measure of the complement of 20°
Vesnalui [34]

Answer:

So if you have an angle that is 20 degrees, then the complement angle measures 70 degrees.

6 0
2 years ago
Help asap!!!!! im in a quiz rn-
a_sh-v [17]

Answer:

C. 31.4 ft

Step-by-step explanation:

Given

Diameter (d) = 10 ft

Now

Circumference

= πd

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Hope it will help :)❤

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3 years ago
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