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atroni [7]
3 years ago
5

PLEASE HELP ME ITS DUE REALLY SOON PLZZZZ

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

1) 5x + 4x²(2x + 7) - 6x² - 9x

= 5x + 8x³ + 28x² - 6x² - 9x

= 8x³ + 22x² - 4x

2) the answer is 2x³ + 17x² + 25x - 50

3) the answer is y = 4x² + 14x + 18

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Can someone plz help me solved this problem! I’m giving you 10 points! I need help plz help me! Will mark you as brainiest!
Kobotan [32]

Answer:  $2 or $9

<u>Step-by-step explanation:</u>

Revenue (R) = $1800 , x = 1100 - 100p

R = xp

1800 = (1100 - 100p)p             <em>substituted x with 1100 - 100p</em>

1800 = 1100p - 100p²             <em>distributed p into 1100 - 100p</em>

100p² - 1100p + 1800 = 0       <em>added 100p² & subtracted 1100p</em> on both sides

     p² - 11p + 18 = 0                <em>divided both sides by 100</em>

(p - 2) (p - 9) = 0                     <em>factored quadratic equation</em>

p = 2  p = 9                         <em>applied Zero Product Property to solve for p</em>

<em />

6 0
3 years ago
What is (2n-3p)+4(2n-3)
Klio2033 [76]

Answer:

<h2>10n - 3p - 12</h2>

Step-by-step explanation:

(2n-3p)+4(2n-3)\qquad\text{use the distributive property}\\\\=2n-3p+(4)(2n)+(4)(-3)\\\\=2n-3p+8n-12\qquad\text{combine like terms}\\\\=(2n+8n)-3p-12\\\\=10n-3p-12

7 0
3 years ago
Read 2 more answers
16/ ? = -8 can anyone help plz
erma4kov [3.2K]
I believe the answer is 8
3 0
3 years ago
Read 2 more answers
Which number is NOT in the solution set of the inequality x&gt;-15?
Ipatiy [6.2K]

Answer:

d

Step-by-step explanation:

if x has to be greater than -15 and -20 = x than its not true because -20 isn't greater than -15

5 0
3 years ago
Read 2 more answers
What is the value of x in the equation 2(x – 3) + 9 = 3(x + 1) + x?<br>x = <br>​
sukhopar [10]

Start with

2(x-3)+9=3(x+1)+x

Expand both parentheses by multiplying both terms by the number outside:

2x-6+9 = 3x+3+x

Sum like terms:

2x+3 = 4x+3

Simplify the "+3" on both sides:

2x = 4x

Subtract 2x from both sides:

2x=0

Divide both sides by 2:

x=0

3 0
4 years ago
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