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Keith_Richards [23]
3 years ago
5

Y = 2(x – 4)– 6 Vertex: y-intercept: _

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

vertex: (4,-6), y= -14

Step-by-step explanation:

vertex can be derived from this formula

(4, -6)

to find y intercept you need to set x=0

y=2(0-4)-6

=-8-6

y= -14

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Owen solves the equation below and his steps are shown. When he plugged his solution back into the original equation, he did not
Usimov [2.4K]

Answer:

THE FIRST STEP in which he made an error is step 4, instead of subtracting 2x from either side of the equation, he is to add 2x to either side of the equation.

The correct value of x is 3.6

Step-by-step explanation:

To solve the given equation, we will follow the steps below;

3 (x-4) = -4 - 2 (x-5)

step 1 : open the parentheses

That is,   3x - 12 = -4 - 2x  + 10

Step 2 : simplify, that is, yo can add the or subtract like terms

hence

3x - 12 = -2x -4 + 10

step 3 :

3x - 12 = -2x + 6

step 4 : Add 2x to both-side of the equations in order to nullify the 2x on the right-hand side of the equation

3x + 2x - 12  = -2x + 2x + 6

step 5:

5x - 12  = 6

step 6:  Add 12 to both-side of the equation

5x - 12 + 12  = 6 + 12

step 7

5x  = 18

Step 8: divide both-side of the equation by   5

5x/5 = 18/5

step 9:

x =3.6

THE FIRST STEP in which he made an error is step 4, instead of subtracting 2x from either side of the equation, he is to add 2x to either side of the equation.

That is why he got the wrong answer.

4 0
3 years ago
ANSWER ASAP!!!! <br><br> Thank u
Vinvika [58]

Answer: 20 cm

Step-by-step explanation:

6 0
3 years ago
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Simplify.
Dafna11 [192]

Answer:

C. 2x^2-7x+7

Step-by-step explanation:

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From the given you will subtract like terms from both parenthesis.

3x^2-x^2=2x^2

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6 0
3 years ago
6. Marisol plans to make 9 mini-sandwiches for
Oksanka [162]

Answer:

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in this case I multiplied by 2 and got 18/4

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