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Sloan [31]
3 years ago
5

How many solutions does

Mathematics
1 answer:
Natalija [7]3 years ago
3 0

3(4x - 2) = 12x \\ 12x - 6 = 12x \\ 12x - 12x = 6 \\ 0 = 6
The answer is no solution
You might be interested in
Select the correct answer from each drop-down menu.
erik [133]

Answer:

Grades 6 and 8

Step-by-step explanation:

If the relationship of girls to boys in two different grades are proportional, <u>they must have the same ratio</u>. To tackle this problem, we can find the <u>ratios</u> of genders in each grade and compare them.

Step 1, finding ratios:

Finding ratios is just like <u>simplifying fractions</u>. We will reduce the numbers by their<u> greatest common factors</u>.

  • GRADE 6:

9:12=\\3:4

  • GRADE 7:

12:18=\\2:3

  • GRADE 8:

15:20=\\3:4

  • GRADE 9:

25:36

<u>Can't be simplified!</u>

<u />

Step 2:

Notice how grades 6 and 8 both had a ratio of 3:4. We can conclude that these two grades have a proportional relationship between girls and boys.

<em>I hope this helps! Let me know if you have any questions :)</em>

<u />

8 0
3 years ago
If h=5, then 6h-4 equals<br>​
Dovator [93]
6h-4

1. Substitute 5 for h
6(5)-4
30-4 =26
8 0
3 years ago
What is the mean of variable a<br><br><br><br><br><br>piz help me i have one more question
timama [110]
I think the mean of variable a is 4
4 0
3 years ago
PLEASE HELP ME WITH THIS QUESTION. please and thank you
Ahat [919]

Associative property moves the parenthesis

Choice B

6 0
3 years ago
PLEASE HELP ME NOW URGENT
timama [110]

ANSWER

y   = 3 \pm \sqrt{21}

EXPLANATION

The quadratic equation is:

{y}^{2}  - 6y - 12 = 0

Group variable terms:

{y}^{2}  - 6y = 12

Add the square of half, the coefficient of y to both sides.

{y}^{2}  - 6y  + ( - 3) ^{2} = 12 + ( - 3) ^{2}

{y}^{2}  - 6y  + 9= 12 + 9

The LHS us now a perfect square trinomial:

{(y - 3)}^{2}= 21

Take square root:

y - 3 =  \pm \sqrt{21}

y = 3 \pm \sqrt{21}

The first choice is correct.

8 0
3 years ago
Read 2 more answers
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