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WARRIOR [948]
1 year ago
13

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

Mathematics
1 answer:
Butoxors [25]1 year 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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Please help? I'm giving good points and will give brainiest and thanks.
zubka84 [21]

Answer:

The difference in sales is that Hillary sold $2,400 more than Jon

Step-by-step explanation:

To find each of their sales, start by dividing the amount they made by the percentage of commission that they earn.

Hillary

3498/.22 = 15,900

Jon

3780/.28 = 13,500

So now to find the difference, we subtract Jon's total from Hillary's.

15,900 - 13,500 = 2,400

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=1%5Cfrac%7B3%7D%7B10%7D" id="TexFormula1" title="1\frac{3}{10}" alt="1\frac{3}{10}" align="abs
vfiekz [6]

Answer:

\frac{1}{30}

Step-by-step explanation:

Change the mixed number into an improper fraction

1 \frac{3}{10} = \frac{13}{10}, hence

\frac{13}{10} ÷ 39

To divide, leave the first fraction, change division to multiplication and turn 39 upside down, that is

= \frac{13}{10} × \frac{1}{39}

cancel the 13 and 39 by dividing both by 13

= \frac{1}{10(3)} = \frac{1}{30}


4 0
3 years ago
Find the value of x. Give your answer in simplest radical form.
VARVARA [1.3K]
X²+7²=(x+1)²
x²+49=x²+2x+1
49=2x+1
48=2x
x=24
Hope this helps!
3 0
3 years ago
How much water do you add…To make 25% sugar syrup using 15g sugar?
zepelin [54]

25% sugar syrup means it has 25% sugar and 75% water

Let the total weight of solution is 'x'

amount of sugar = 15g = 25% of x = x/4

x/4 = 15

x = 60

so, amount of water required is = 75 % of x = 3/4 x

putting x  = 60

amount of water required = 45 g


7 0
3 years ago
Read 2 more answers
Which expression is equivalent to
RUDIKE [14]

Answer:

7

Step-by-step explanation:

start by adding 3+ 11 in the parenthesis, that should give you 14. now you should have  7 + 14 over -5 + 8.  

-5 + 8 = 3  (another way to look at this problem is, 8 -5)

7+14 = 21

you should now have 21 over 3

to simplify this divide 21 by 3, this should give you 7  

7 0
3 years ago
Read 2 more answers
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