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AlekseyPX
3 years ago
5

If a line has a slope of -2/5 and a y-intercept of 9, what is the equation

Mathematics
1 answer:
Tema [17]3 years ago
6 0

Answer:

y = -2/5x + 9

Step-by-step explanation:

The slope will always be before the x. And intercept will always go after the slope. If your intercept is negative, remember to write it as x-9 rather than x+9.

And you'll always want to add the y = at the beginning

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Choose the pair of events that is mutually exclusive.​
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Answer:

even numbers greater than 50 and prime numbers greater than 50

Step-by-step explanation:

An event can be considered as mutually exclusive in probability and statistics when two sample propositions cannot be held as true by any means. Therefore, the pair that clearly illustrates a mutually exclusive event would be "even numbers greater than 50 and prime numbers greater than 50."

The only prime number that is even is 2, so even numbers over 50 would be divisible by 2, and then not prime.  

5 0
3 years ago
What conclusion can be derived by comparing the central tendencies of the two data sets?
Lorico [155]
The average of both sides are the same.

Hope I helped! ( Smiles )
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6 0
4 years ago
Find the derivative of the function given by f(x)=(√(x^2+1))/x
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Answer:

Find the derivative of the function given by f(x)=(√(x^2+1))/x

Step-by-step explanation:

7 0
3 years ago
The parabola x = y² - 9 opens: <br> a.)up <br> b.)down<br> c.) right <br> d.)left
Zolol [24]

Answer:

Right side towards positive x axis

Step-by-step explanation:

Let us see the basic rule to find the orientation of parabolas.

1.  If power if x is 2 and y is 1 , the parabola opens up or down.

2. If the power of y is 2 and that of x is 1 , the parabola opens right or left.

3. If the coefficient of x^{2} in case 1 is negative it opens downward

4. If the coefficient of y^{2}  in case 2 is negative , it opens left towards negative x axis.

Hence our equation is

x=y^2-9

here is satisfies the case 2. hence it opens right or left . Also the coefficient of  

y^{2} is positive so it opens up to the right side , that is towards positive x axis.

7 0
3 years ago
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