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bearhunter [10]
3 years ago
5

???????????????????????????????????????

Mathematics
1 answer:
mart [117]3 years ago
6 0

Answer:

Its C (Third Multiple Choice Answer)

Step-by-step explanation:

The reason being that x + 1 / 2 (6x - 4) = 6 is the way it is instead of the first step being x + 6x / 2 - 4 / 2 = 6 is because it is using legal manipulation by multiplying the 1 / 2 out.

Math:

First

2 * (x + 1 / 2 (6x - 4) = 6 * 2 [In this case the x gets multiplied by 2 and multiplies 2 to the other side as well. The reason why it isn't a Distributive Property in the first place is because we are using multiplication only and the equation is not 1 / 2 (6x - 4).

Then

2x + 6x - 4 = 12 will then equal to 8x - 4 = 12 which is adding like terms

Thirdly

(+ 4) + 8x - 4 = 12 (+ 4) [The parenthesis is to identify that the 4 is positive]

will then turn into 8x = 16

Finally

By dividing 8 on both sides of the previous equation

8x / 8 = 16 / 8 equaling x = 2.

You might be interested in
Simplify the following expression.
o-na [289]

Answer:

i dont know what you mean but

3x(4x-3) simplified is 12x - 4 or 12x+(-4)

3 0
3 years ago
A political polling agency predicts candidate A will win an election with 63% of the votes. Their poll has a margin of error of
scoray [572]

Answer:

56% ≤ p ≤ 70%

Step-by-step explanation:

Given the following :

Predicted % of votes to win for candidate A= 63%

Margin of Error in prediction = ±7%

Which inequality represents the predicted possible percent of votes, x, for candidate A?

Let the interval = p

Hence,

|p - prediction| = margin of error

|p - 63%| = ±7%

Hence,

Upper boundary : p = +7% + 63% = 70%

Lower boundary : p = - 7% + 63% = 56%

Hence,

Lower boundary ≤ p ≤ upper boundary

56% ≤ p ≤ 70%

5 0
3 years ago
What is this problem
Veronika [31]

The coordinate of the vertex is; (h, k) = (3, -5)

The final equation of the parabola is; y = 5(x - 3)² - 5

<h3>How to find the vertex of a Parabola?</h3>

The vertex is the coordinate of the crest or trough of the curve. Now, in the given graph, we only have a Trough which is the lowest point of the graph.

The coordinate of the vertex is; (h, k) = (3, -5)

2) Since the general equation is;

y = a(x - h)² + k

We will have;

y = a(x - 3)² - 5

At x = 2, y = 0. Thus;

0 = a(2 - 3)² - 5

a - 5 = 0

a = 5

3) The final equation of the parabola is;

y = 5(x - 3)² - 5

Read more about Parabola Vertex at; brainly.com/question/17987697

#SPJ1

3 0
1 year ago
PLEASE HELP ASAP &lt;3 Express as a trinomial (3x+5) (x+1) :)
Gennadij [26K]

Answer:

3x^2+8x+5

Step-by-step explanation:

(3x+5)(x+1)

3x(x+1)+5(x+1)        Distribute

3x(x+1)+5(x+1)        Distribute 3x(x+1)

3x^2+3x+5(x+1)        

3x^{2} +3x+5(x+1)         Distrbute 5(x+1)

3x^2+3x+5x+5            Combine like terms

3x^{2} +8x+5

3 0
3 years ago
Read 2 more answers
Hi could someone work this out for me? thanks in advance​
swat32
The answer is 66.

Explanation
4×3 = 12,
6×9 = 54.
54+12 = 66

To do this the first box on the left corner it says three and four so you multiply them. Then there’s a second box with six and nine. You have to multiply 6 and 9 together. After you get those answers you add that answer with the answer from three times four.
Hope I helped you!
:)
7 0
3 years ago
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