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bija089
1 month ago
12

Given the points below find XY. Round to the nearest hundred. X(-9,2) Y(5,-4)

Mathematics
2 answers:
babunello [11.8K]1 month ago
8 0

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ X(\stackrel{x_1}{-9}~,~\stackrel{y_1}{2})\qquad Y(\stackrel{x_2}{5}~,~\stackrel{y_2}{-4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ XY=\sqrt{[5-(-9)]^2+[-4-2]^2}\implies XY=\sqrt{(5+9)^2+(-4-2)^2} \\\\\\ XY=\sqrt{14^2+(-6)^2}\implies XY=\sqrt{232}\implies XY\approx 15.23

Leona [12.6K]1 month ago
3 0

Answer: XY=15.23

Step-by-step explanation:

The distance between two points A(a,b) and B(c,d) can be calculated using the following formula:

AB=\sqrt{(c-a)^2+(d-b)^2}

For the points provided: X(-9,2) Y(5,-4)

Thus, the distance between the points X(-9,2) and Y(5,-4) is calculated as follows:

XY=\sqrt{(5-(-9))^2+(-4-2)^2}\\\\\Rightarrow\ XY\sqrt{(5+9)^2+(-6)^2}\\\\\Rightarrow\ XY=\sqrt{(14)^2+(-6)^2}\\\\\Rightarrow\ XY=\sqrt{196+36}\\\\\Rightarrow\ XY=\sqrt{232}=15.2315462117\approx15.23

Therefore, XY=15.23

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Which scatter plot has a correlation coefficient closest to r=1
Inessa [12570]

Answer:

The answer is the scatter plot that displays a pronounced positive slope along the curve of best fit.

Step-by-step explanation:

A scatter plot illustrates the relationships between two variables for an individual. It is essentially a graph in which a best-fit curve is drawn to encapsulate the complete dataset. A scatter plot is considered to have a robust correlation if the correlation coefficient is near r = 1, indicating a very strong connection between the two variables.

A scatter plot exhibits a solid correlation when its data points are closely aligned to the line or curve of best fit.

For r = 1, the correlation is regarded as strong and positive.

5 0
21 day ago
Read 2 more answers
The value of a car t years after it is purchased is given by the decreasing function V, where V(t) is measured in dollars. The r
PIT_PIT [12445]

Answer:

dV(t)/dt = kV(t)

Step-by-step explanation:

The annual change in the car's value, represented by dV(t)/dt, has a proportional relationship with V(t), the car's current value.

dV(t)/dt ∝ V(t)

dV(t)/dt = kV(t)

7 0
1 month ago
Suppose A is a 5x7 matrix. How many pivot columns must A have if its columns span R^5​? ​Why?
babunello [11817]
The correct answer is "Option B." There seems to be an error with the options provided; however, the appropriate choice is detailed in the attached file. If the column of the matrix and the span of A are both equal to R^5, then A must have a pivot in each row, hence resulting in five pivot columns that confirm choice B as accurate.
4 0
1 month ago
peggy is putting flowers in vases. she puts either 2 or 3 flowers in each vase. if Peggy has a total of 12 flowers, how many dif
babunello [11817]
2 flores por florero → necesitaría 6 floreros
3 flores por florero → necesitaría 4 floreros
4 flores por florero → necesitaría 3 floreros
6 flores por florero → necesitaría 2 floreros
hay muchas formas de colocar flores en floreros pero esas son algunas.
Espero que haya ayudado.
6 0
20 days ago
"A bottle of olive oil contains 1.4 qt of olive oil. What is that volume in milliliters?"
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Response:

The volume of oil in milliliters is 1,324.5.

Detailed explanation:

Volume of olive oil = 1.4 qt = 1.4 Quarts

And it is known that 1 Liter equals 1.057 Quarts.

1 L = 1.057 Quarts

Hence, 1.4 Quarts converts to:

1.4 Quarts=\frac{1.4}{1.057} L=1.3245 L

1 Liter corresponds to 1000 milliliters.

1 L = 1000 mL

1.3245 L=1.3245\times 1000=1,324.5 mL

Consequently, the volume of oil in milliliters equals 1,324.5.

3 0
21 day ago
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