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Minchanka [31]
3 years ago
15

Expand and simplify (2x+3)(x-3)

Mathematics
2 answers:
8090 [49]3 years ago
6 0
2x^2-3x+3x-9
Answer: 2x^2-9
timofeeve [1]3 years ago
5 0
2x^2-6x+3x-9

FINAL ANSWER:
2x^2-3x-9
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Reema and Sohini bought (x^2 - 9) mangoes.They divided into (x+3) groups.Each group has three rotten mangoes.How many good
Gemiola [76]

Answer:

x - 6

Step-by-step explanation:

divide number of mangoes bought by number of groups, that is

\frac{x^2-9}{x+3}

= \frac{(x+3)(x-3)}{x+3} ← numerator is difference of squares

cancel the factor (x + 3) on numerator/denominator

number in each group = x - 3

subtract 3 rotten mangos from group for good mangoes

good mangoes = x - 3 - 3 = x - 6




6 0
3 years ago
Which statements are true about the polynomial function?
Airida [17]
F(-2)  = -8 + 20 - 12 = 0  so first choice is correct

x^3 + 5x^2 + 6x = x(x^2 + 5x + 6) = x(x + 3)(x + 2)

so second choice is incorrect and third choice is correct

when x = 2  f(x) = 8 + 20 + 12 = 40 so last choice is incorrect.
8 0
3 years ago
Read 2 more answers
Can anyone please help me answer this Math Question ? As soon as possible !!
NNADVOKAT [17]

Igor's taxable income is the difference between the amount

he earns annually and the amount he earns as exemptions.

Response:

  • The amount he pays in annual state income tax is;<u> $1,497</u>

<h3>Which methods are used to calculate income tax?</h3>

Given;

Annual earnings = $57,900

State tax rate = 3%

Amount earned in exemption = $8,000

Required:

The amount Igor pays in annual state income tax.

Solution;

Taxable Income = Annual Income - Exemptions

Therefore;

Igor's taxable income = $57,900 - $8,000 = $49,900

Taxable Income × Tax rate = Amount paid as tax

  • The amount he pays is therefore; $49,900 × 3% = <u>$1,497</u>

Learn more about income tax here:

brainly.com/question/25278778

7 0
2 years ago
In the recursive formula f(n) = f(n - 1) + 5, the value of the previous term is represented by
Shalnov [3]
<span>The answer is f(n-1) because f(n - 1) The term is the output, and the one before n is n - 1.   

So its D)</span>
7 0
2 years ago
the local theater is showing a matinee and offering a special deal for the community. A ticket for an adult costs $11 and a tick
Montano1993 [528]
We will call an adult ticket <em>a</em>, and a child ticket <em>c</em>.

Since they sold 60 tickets in total, we can form the equation:
a + c = 60

We can also say that the sum of money from the adult tickets and child tickets combined is 460.
Thus we can say
11a + 6c = 460

Now, we must solve our system.

a + c = 60
11a + 6c = 460

6a + 6c = 360
11a + 6c = 460

-5a = -100
a = 20

Thus, (20) + c = 60
c = 40

a = 20 and c = 40
4 0
2 years ago
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