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3 years ago

Find the slope of the line that passes through the points (9, -2) and (4, 3)

Mathematics

1 answer:

klemol [59]3 years ago

4 0

Answer:

-x aka -1

Step-by-step explanation:

x1 y1 x2 y2

9 -2 4 3

m= y2 - y1/x2 - x1

m = 3 + 2/4 - 9

(The "-" sign turned positive because it is negative times negative)

5/-5

Simplify: 5/-5 = -1 = -x

The slope of this line is -x

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Three points that are not collinear determine three lines. How many lines are determined by nine points, no three of which are c

Drupady [299]

Answer:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

Step-by-step explanation:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

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4 years ago

What is the 3 digit number of the ones period in 288,322,170

AnnZ [28]

Answer:

170

The ones period consists of the ones, tens, and hundreds digits.

6 0

4 years ago

Pls i need answeres 3 values that would make this inequality true.8n + 4 ≤ 28

igor_vitrenko [27]

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4 years ago

A 5 kW solor energy system can collect 9000 kWh of energy per year. In Arizona, electricity cost eleven cents per kilowatt hour.

Licemer1 [7]

Answer:

19338 kWh

Step-by-step explanation:

In Arizona, electricity cost eleven cents per kilowatt-hour.

The average home uses 66 million BTU per year i.e. 66000000 BTU per year.

Now, it is given in the question that 1 BTU is equivalent to 0.000293 kWh.

So, the average home uses (66000000 × 0.000293) = 19338 kWh per year.

Therefore, the number of kilowatt-hours used per year will be 19338. (Answer)

6 0

3 years ago

The path of a skateboarder can be modeled by the equation (x – 3)2 = –8(y – 8), where distance is in feet and air resistance is

yKpoI14uk [10]

The maximum height and horizontal distance is required.

Maximum height 8 feet; horizontal distance 16 feet

The given path is $(x-3)^2=-8(y-8)$

If the skateboarder jumps at x = 0 she will land at y = 0. However there will be at horizontal displacement.

$(x-3)^2=-8(0-8)\\\Rightarrow (x-3)^2=8^2\\\Rightarrow x-3=\pm 8\\\Rightarrow x-3=8\\\Rightarrow x=11$

$x-3=-8\\\Rightarrow x=-5$

The distance between -5 and 11 is $11-(-5)=16$

Middle point would be $\dfrac{16}{2}=8$ from $-5$ .

$-5+8=3$

So, $x=3$

The maximum height will be

$(3-3)^2=-8(y-8)\\\Rightarrow y-8=0\\\Rightarrow y=8$

The maximum height is 8 feet and the horizontal distance is 16 feet.

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3 years ago

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