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3 years ago

Find the slope between the following points:

Mathematics

1 answer:

bazaltina [42]3 years ago

7 0

Answer:

1. y = -0.6x + 5.4.

2. The entered points belong to a vertical line. There is no slope.

Equation: x = 6

3. y = 0.16667x + 5.5.

4. The entered points belong to a vertical line. There is no slope.

Equation: x = -8.

Step-by-step explanation:

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What is the y1 of 3x-5y=20

Aliun [14]

Unsure of what you mean by "y1."

If you wish to solve this eqn for y, do this:
-5y = - 3x + 20,
-3x + 20
y = ---------------- = (3/5)x - 4 (answer)
-5

5 0

3 years ago

Let f(x) = x2 − 16. Find f−1(x)

Yanka [14]

Answer:

$f^{-1}(x)=\pm\sqrt{x+16}$

Step-by-step explanation:

$f(x)=x^2-16$

To find the inverse of this function, temporarily the f(x) with a y (or whatever else you want) and then solve for the x.

$y=x^2-16\\y+16=x^2\\x=\pm\sqrt{y+16}$

Now, you can swap the variables again and write the function.

$f^{-1}(x)=\pm\sqrt{x+16}$

3 0

2 years ago

Which point is located at -7.75−7.75minus, 7, point, 75?

rosijanka [135]

Cccccccccccccccccccc

3 0

2 years ago

4.7j-6.8k when j =5 and k =3

Oksanka [162]

Answer:

Your answer is 3.1

Step-by-step explanation:

Wherever you see j, substitute 5. Wherever you see k, substitute 3

1. Set up: $4.7(5)-6.8(3)$

2. Multiply 4.7 * 5, to get 23.5

3. Multiply 6.8 * 3 to get 20.4

4. Subtract 23.5-20.4

5. Final anwer - 3.1

Hope this helps!

5 0

2 years ago

E = {1, 2, 3, 4, 5, 6, 7, 8, 9

statuscvo [17]

Answer:

In the A circle: 1,3,8

In the B circle: 2

In the middle: 4,9

In the outside: 5,6,7

Hope this helps!

4 0

2 years ago