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Mars2501 [29]
4 years ago
7

Write a two column proof (or a flow proof. Whichever one works for you).

Mathematics
1 answer:
Norma-Jean [14]4 years ago
4 0

Plugging into the Given Formula the value of y:

7(6) = 8x - 14

Multiply the left side:

42 = 8x - 14

Add 14 to both sides to get:

56 = 8x

Divide both sides by 8 and we get:

7 = x

Therefore, x=7 and the proof is complete

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What is the General form of the parabola of (y-3)^2=6(x+8)
MatroZZZ [7]

Answer:

x = 1.5t^{2}  , y = 3 + 2at.

Step-by-step explanation:

For the parabola Y^{2} = 4aX ,

General form will be

(X = at^{2} , Y = 2at) ,

Thus , for the parabola (y-3)^{2} = 6(x +8)

Here , a = 1.5 and Y from the above equation should be substituted by y - 3 and X must be substituted by x + 8. After substitution of the same we can  use the general equation formula for this parabola also.

Thus , general equation comes out to be :-

x + 8 = 1.5t^{2} , y - 3 = 2at

x = 1.5t^{2}  , y = 3 + 2at.

4 0
4 years ago
If (x+3) varies directly as y and x=3 when y=12, what is the value of x when y=8?
slavikrds [6]

Answer:

x = 1.

Step-by-step explanation:

y = k(x + 3)

When x = 3 y = 12 so

12 = k(3 + 3)

6k = 12

k = 2.

So the relation is y = 2(x + 3)

When y is 8:

8 = 2(x + 3)

2x = 8 - 2*3 = 2

x = 1.

6 0
3 years ago
What is the value of h(-7)<br><br> h(x) =|3x| -1
Art [367]

Answer:

20

Step-by-step explanation:

h(-7) just means that inside the x value, you replace the x with a -7.

h(-7) = |3x| - 1

h(-7) = | 3(-7)| - 1

h(-7) = | -21 | - 1

NOTE: -21 is inside |x|, those straight lines mean absolute value. No matter what, any negative number would turn into a positive one. And if it’s posititve, then it stays positive.

h(-7) = 21 - 1

h(-7) = 20

6 0
4 years ago
Add 10 and g, then subtract f from the result​
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Answer:

(10+g) -f

Step-by-step explanation:

Add 10 and g

10 +g

Subtract f from the result

(10+g) -f

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3 years ago
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Hdbdjendjfnd djdjxjwnshxhsndjxndkcnf
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