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Alchen [17]
3 years ago
15

What is the discriminant of the polynomial below 9x^2-18x+9?

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0
(3x-3 )(3x-3 ) is answee
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Work out the perimeter of the triangle when the sides are : 3x-5 2x 19-x
mr Goodwill [35]

Answer:

4x + 14

Step-by-step explanation:

The perimeter of the triangle is equal to the sum of its three sides.

The sides of the triangle are 3x-5, 2x, and 19-x.

Calculate their sum.

3x - 5 + 2x + 19 - x

Rearrange.

3x + 2x - x + 19 - 5

Add or subtract like terms.

4x + 14

The perimeter of the triangle is 4x + 14.

5 0
3 years ago
Read 2 more answers
Margie has a $50.00 budget to purchase $45.00 pair of boots. If there is an 8% sales tax rate then how much under budget will Ma
LuckyWell [14K]
She will be $1.40 under budget.

8% = 8/100 = 0.08

Adding this to 100% of the price of the shoes, we get 108% = 108/100 = 1.08.

We multiply the price of the shoes by this:
45*1.08 = 48.60

Subtract this from 50:
50 - 48.60 = 1.40
7 0
4 years ago
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3.5 multiplied by 2y
Rama09 [41]

Answer:

7y

Step-by-step explanation:

3 0
3 years ago
The selling price of an item is $600. It is marked down by 10%, but this sale price is still marked up
Lena [83]

Step-by-step explanation:

Sale price

= Marked down by 10% from selling price

= 90% of selling price

= 0.9 * $600

= $540.

Sale price - Cost price

= $540 - $450 = $90.

The markup from cost to sale is $90.

6 0
3 years ago
Two numbers add up to 64. One of the numbers is 24. What is the other number?​
goldfiish [28.3K]

Answer:

40

Step-by-step explanation:

If there are two numbers and you're trying to find the other one, you can subtract 64 and 24, you would get 40

Check; 40 + 24 = 64

8 0
3 years ago
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