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valkas [14]
2 years ago
11

Find the equation of a line containing the points (5,1) and (5,−4).

Mathematics
2 answers:
Dmitry_Shevchenko [17]2 years ago
6 0

Answer:

x = 5

Step-by-step explanation:

Sophie [7]2 years ago
5 0

Answer:

The equation is x = 5

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WILL MARK BRANLIEST AND THANK! 10 POINTS, EASY QUESTION!!
elena-14-01-66 [18.8K]

Answer: 2±√3 and 1/(2±√3)

This might seem wrong, but you'll understand when you read the explanation.

Step-by-step explanation:

For this problem, you can write 2 equations to find the two numbers. Let's establish x for the first number and y for the second number.

Equation 1:

x+y=4

This equation comes from the problem that says the 2 numbers add up to 4.

Equation 2:

x*y=1

This equation comes from the part that says multiplies to 1.

Even if the problem states that the numbers can be negative, it is tricking us. We know in order for the product of 2 numbers to be positive, it has to be +*+ or -*-. Since the added numbers have to be +4, we know we cannot use -1 and 1 as our answer. What we can do is to use substitution to solve for x and y.

x+y=4 becomes y=4-x

We can substitute this into equation 2.

x(4-x)=1

4x-x²=1

4x-x²-1=0

-x²+4x-1=0

Since this equation is not factorable, we use the quadratic equation, \frac{-b±\sqrt{b^2-4ac} }{2a} (<em>Please ignore the weird looking A that's in front of the ± sign. I don't know what's wrong with the system, but it's not supposed to be there)</em>

We plug our a, b, c into the equation and get x=2±√3.

Now that we know our x, we can plug it into any of the above equations.

(2±√3)(y)=1

y=1/(2±√3)

Our final 2 numbers are 2±√3 and 1/(2±√3)

4 0
3 years ago
A parking garage allows users to park the first hour free and then charges $2.50 for each additional hour or fraction of an hour
Snowcat [4.5K]

The first hour is free, and the rest charges is $2.50


Let x be the time.

Let y be the total


Your equation will look like


When x < 2, y = 0

When x > 1, y = $2.50(x)


So:


1 < x < ∞ for hours, then equation will look like:

y = total amount

$2.50 is cost (remember that the first hour is for free, and so you subtract $2.50 from the total.


$2.50x - $2.50 = y should be your equation.


hope this helps

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3 years ago
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Find two numbers whose product is 14 and whose sum is 9
OleMash [197]
The answer is 7 and 2
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3 years ago
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The table below shows the average temperature, in degrees Celsius, in Jacobs city over a period of five months
katen-ka-za [31]
Linearly, because the table shows that temperature increased by the same amount each month (2.2). If it were exponentially, the temperature would increase by the same percentage each month.
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3 years ago
Help!!!! I will give you brainiest!!!! Pls<br><br> find the solution of y=3x+5 for x=-2
Sergeeva-Olga [200]

Answer:

I think the answer is B

can you also please mark me as brainliest

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