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fomenos
3 years ago
6

Write a quadratic equation in factored form to model the given problem. Be sure to write the entire equation.

Mathematics
1 answer:
Veronika [31]3 years ago
3 0
Equation :
[x(x+4)]/2=6                (as (b*h)/2=A)
x*x + 4*x -12 = 0

x = -b+- \sqrt{ b^{2}-4ac }/2a         

so, x = 2 units(as -6 is negative)

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4x-y=2 2x+9y=-12 unsure how to solve
Anna11 [10]
Simple, use the process of elimination to figure this out:

4x-y=2
2x+9y=-12

Convert these, to be able to find either x or y.

2(4x-y=2)   8x-2y=4   multiply by 2.
then
4(2x+9y=-12)  8x+36y=-48

Which makes them

8x-2y=4
-
8x+36y=-48

-38y=52

This simplified makes it y= -26/19.

Then plug y back into the original equation

4x-y=2

4x-(-26/19)=2

Making it x= 3/19.

Thus your Point of Intersection is at (3/19, -26/19)
8 0
3 years ago
Read 2 more answers
How much was deposited in the account if the amount in the
Mrac [35]

Answer:

$98.33 was deposited in the account

Step-by-step explanation:

simple interest formula = (PRT)/100 ...where p is money, r is rate, t is time

using formula  $17.70 = (P *  3% * 6)/100

                         P = 1770/18

                         P = $98.33

8 0
2 years ago
The shampoo you like to use is on sale. But you only get the lower price if you buy 3 bottles. You want to know how much you'll
dmitriy555 [2]
Hi there,

The equation to this is going to be : c = 3r - 3s

If you want to get the lower price down you are going to have to buy 3 shampoo bottles in order to get a lower price. The cost you save is the main difference from a regular price. And the answer is c = 3r - 3s
6 0
3 years ago
Please can anyone help me please ​
yanalaym [24]

Answer:

700,000

Step-by-step explanation:

okay so to increase something by 7% you have to multiply it by 1.07

so if you divide it by 1.07, you'll find the original price

749,000 ÷ 1.07 = 700,000

5 0
3 years ago
Read 2 more answers
6
Mumz [18]

Answer:

112.81 miles

Step-by-step explanation:

304.6 divided by 2.7

5 0
2 years ago
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