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3 years ago

I need help, please help as soon as possible

Mathematics

2 answers:

Pie3 years ago

8 0

Mabye 3,0+10,3 i think because of the coordinates im not sure thougg

guajiro [1.7K]3 years ago

3 0

Answer:

y=2x+3

Step-by-step explanation:

*Note: I am finding the equation in Slope Intercept form (y=mx+b; m= slope, b= y-int; (x,y)= a coordinate on the plane)

*Note: This is the Slope Intercept from: $\frac{y_{1}-y_{2} }{x_{1}-x_{2}}$

1. Find two points on the line: (3,9) and (0,3)

2. Using those points, find the slope (m):

$\frac{9-3}{3-0} =\frac{6}{3} = 2$

m=2

3. Thankfully, we don't have to find the y-intercept because it is already shown in the graph.

b=3

4. Now plug in the unknowns into the equation:

y=2x+3

5. Enjoy your answer!!!!!!!!!!!!

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To investigate the relationship between age and preference for two mayoral candidates in an upcoming election, a random sample o

OLga [1]

Answer:

0.15401

Step-by-step explanation:

Given that test statistic = 3.7408

From the question, we could deduce that, this is scenario could be analysed A ONE - WAY analysis of Variance method as it has one independent variable, Age subdivided into 3 levels

The test statistic value obtained is the Chisquare (χ²) value, which equals 3.7408

To Obtain the requested Pvalue, we need the degree of freedom, which is :

(Number of columns - 1) * (number of rows - 1)

Number of candidates = 2

Number of levels = 3

Hence,

Degree of freedom = (3 - 1) * (2 - 1) = 2 * 1 = 2

Using the Chisquare Pvalue calculator or distribution table :

χ²;3.7408, 2 = 0.154062

Pvalue = 0.1541

3 0

3 years ago

I need this on khan academy.

Alja [10]

9514 1404 393

Answer:

A. (1 2/3, 4 2/3)

Step-by-step explanation:

If you graph the equations, you see the lines intersect at the solution point:

(x, y) = (1 2/3, 4 2/3)

7 0

3 years ago

A 72,000 gallon water tower is being drained. Two thousand gallons are drained in the first hour. How many hours will it take to

ololo11 [35]

Answer:

To drain the water tower it will take 36 hours.

Step-by-step explanation:

Given:

A 72,000 water tower is being drained, and in an hour 2000 gallons are drained.

Now, to calculate the hours it would take to drain total 72,000 gallons of water, we should divide the gallons of water drained in one hour by total gallons of water in the tower.

Gallons of total water in the tower ÷ Gallons of water drained per hour

$72000\div 2000$