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fiasKO [112]
4 years ago
14

P(a b)=0.25 and P(b)=0.4, what is P(aub)?

Mathematics
2 answers:
frutty [35]4 years ago
8 0
I think that it would be 0.7
irina [24]4 years ago
5 0
Well Those are variables and it is using the Distributive property to solve. For example P(a+b) simplify P*a + P*b. 
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Jacklynn wondered how much of the moon covers if half of the moon is shaded. She learned in Science Class that the moon has radi
Lesechka [4]

Answer:

6.3 × 10⁶ square miles

Step-by-step explanation:

We are given,

The radius of the moon is approximately 1000 miles.

We know that the moon resembles a sphere and also,

Area of sphere = 4\pi r^{2}, where r is the radius.

Now, the area of the moon = 4\pi 1000^{2} = 1.26 × 10⁷ square miles

Since, only the half of the area is clear to view.

So, the area left to view = \frac{1.26\times 10^7}{2} = 6.3 × 10⁶ square miles.

Hence, the area of the moon in view is 6.3 × 10⁶ square miles.

8 0
4 years ago
Briefly explain how multiple regression enhances the two primary purposes of regression analysis.
maria [59]

The statistical goal of multiple regression analysis is to build a linear equation model that identifies the optimal weighted linear combination of independent variables in the study in order to optimally predict the reference variable.

Regression analysis is usually performed for one of two purposes. Predicting the value of the dependent variable of a person whose information about the explanatory variable is available, or estimating the effect of the explanatory variable on the dependent variable.

In multiple regression analysis, researchers can determine the strength of the relationship between the outcome (dependent variable) and multiple predictors, and the importance of each predictor in the relationship, often the effect of other predictors. It can be evaluated by statistically eliminating it.

Learn more about multi regression model here: brainly.com/question/17844286

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3 0
3 years ago
how many 1 1/2 centimeter cubes can fit into a rectangular prism that has a length of 12 centimeters , a width of 6 centimeters
VLD [36.1K]

The long, straightforward, brute-force way to slog through the problem:

The prism is 12cm x 6cm x 9cm.

Volume of the prism = (12 x 6 x 9) = 648 cm³

Volume of each little cube = (1.5 x 1.5 x 1.5) = 3/375 cm³

Number of little cubes that fit into the prism =  (648 cm³) / (3.375 cm³) = <em>

                                                                                     192 of them</em>


=============================================

The elegant but almost equally long way to master the problem:

The prism is 12cm x 6cm x 9cm.

If each dimension of your measuring cubie is 1.5cm,
then the prism measures

     (8 cubie lengths) x (4 cubie widths) x (6 cubie heights) .

Its volume is  (8 x 4 x 6) = <em>192 measuring cubies</em>.


8 0
3 years ago
The slope of the line through the points (4, -2) and (8, 5) is 7/4<br> True or False?
White raven [17]
False when graphed you’ll go up 3 and right 4
8 0
3 years ago
Solve the system of equations 5x + 6y = 26 and -2 + y = -14 by combining the<br> equations.
aniked [119]

Answer:

(19.6,-12)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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