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WARRIOR [948]
11 months ago
13

3y^2 + 3(4y^2 - 2) please help

Mathematics
1 answer:
Butoxors [25]11 months ago
8 0

The roots of the quadratic equation 3y² + 3(4y² - 2) is ± √(1/7).

<h3>What is a quadratic equaton?</h3>

A quadratic equation is an algebraic expression in the form of variables and constants.

A quadratic equation has two roots as its degree is two.

Given, 3y² + 3(4y² - 2).

3y² + 12y² - 2.

14y² - 2.

Let 14y² - 2 = 0.

14y² = 2.

y² = (2/14).

y = ± √(2/14) Or ± √(2/2×7) Or ± √(1/7).

learn more about quadratic equations here :

brainly.com/question/17177510

#SPJ1

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Money deposited $8000 into an account 6 years ago. The account earned simple interest at a yearly rate. So far the total interes
matrenka [14]

Answer:

2.5%

Step-by-step explanation:

interest = principal * rate * time

1200 = 8000r6

1200 = 48000r

r = 0.025

Rate for account is 2.5%

4 0
3 years ago
Which of the following lists does not include all the factors of the number?
maxonik [38]

Answer:

21 is the answer my guy

Step-by-step explanation:

7 times 3 is 21

5 0
2 years ago
Write slope intercept form of th equation of each line
Katen [24]

Answer:

y = 8/5x + (-4) or y = 8/5x -4

Step-by-step explanation:

Slope-intercept form is written like this:

            y = mx + b

The variable <em>m</em>, represents slope and <em>b</em>, represents the y-intercept.

To find slope, you have to find the rise/run or in other words, change of y over change of x.

From the look of the line, the slope has to be positive because the line is going up.

To go from the bottom point to the top, we have to go up 8 points and go to the right 5 points. Thus the slope is 8/5.

Now for the y-intercept. This part is easy. Just ask yourself this...

"Which of the two points is on the y-axis?"

In this case, it is the bottom point which is -4.

So your equation should look like this:

y = 8/5x + (-4)

   or y = 8/5x - 4 because when you have a plus sign and a minus sign, the result is negative.

hope this helps :)

5 0
2 years ago
I need the answer. !’
EleoNora [17]

Answer:

B) -9

Step-by-step explanation:

31+2= 33 --> -33 + 49= --> 16

-5x-5= 25

16 -25 = -9

3 0
2 years ago
What is the quotient of 2 1/4 and 5/8
Charra [1.4K]
If you would like to find the quotient of 2 1/4 and 5/8, you can calculate this using the following steps:

2 1/4 = 9/4

2 1/4 / 5/8 = 9/4 / 5/8 = 9/4 * 8/5 = 18/5 = 3 3/5

The correct result would be 3 3/5.
8 0
3 years ago
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