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Nezavi [6.7K]
3 years ago
6

Simplify 3(4 x + 6) - 9 x .

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0
Simplest form would be 3x+18
3(4x+6)-9x
12x+18-9x
-9x
3x+18
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HELP!
Serga [27]

Answer:

3.) (x + 5) (x - 6)

Step-by-step explanation:

Factor the following:

x^2 - x - 30

Hint: | Factor x^2 - x - 30 by finding two numbers whose product is -30 and whose sum is -1.

The factors of -30 that sum to -1 are 5 and -6. So, x^2 - x - 30 = (x + 5) (x - 6):

Answer: (x + 5) (x - 6)

5 0
3 years ago
Zelma buys p pounds of bananas for 40 cents per pound. She pays the clerk with a twenty-dollar bill. The clerk subtracts the tot
Arada [10]

Answer: <u>C. 20-.40p</u>

Step-by-step explanation:

We know that from the given information that each pound is worth 40 cents, and that its being subtracted from the twenty dollar bill.  

"Why are the others choices wrong?"

A. p-20, isn't the proper equation due to the stated information.

B. B. 20 -40p, this equation has Zelma pay $40 dollars each pound, which isn't correct due to what the text has stated ("for 40 cents per pound").

D. 40p-20, from the given text, this equation is wrong ("She pays the clerk with a twenty-dollar bill), it never states that she will be charged twenty dollars, or be given forty for each pound.

Another person who asked the same question:

brainly.com/question/9419974

8 0
2 years ago
5x−2.5+6x−3= ___ (2x−1)<br><br><br> someone help me with this q.<br><br> will mark brainliest~
cestrela7 [59]

Answer:

5.5

Step-by-step explanation:

So, this is a simple factoring problem. The answer is 5.5(2x-1). So, heres how we get that answer.

So, factoring is basically breaking down the problem into smaller parts. So once we simplify the problem, we can factor it.

  • Simplify by combining like terms: 5x+6x= 11x and -2.5-3=-5.5
  • Now we have 11-5.5=?
  • so, we need to have (2x-1) in our answer because the problem asks for that in the answer.
  • We need to find a number that satisfies the equation and answer
  • so, 5.5(2x) is 11x, and 5.5(-1) is 5.5.
  • 5.5 satisfies the equation, therefore is the answer
3 0
3 years ago
What is does consecutive integers to complete the inequality
stira [4]

Answer:wo consecutive integers would be 13 and 14 because 13 x 13 = 169 and 14 x 14 = 196 and the inequality fits inbetween perfectly.

Step-by-step explanation:

4 0
3 years ago
Could someone help me with this?
hodyreva [135]

Step-by-step explanation:

Identity the variable:

Initial Velocity is 35.

Initial Height is 204

Final Height is 0.

What looking for the time.

So we have

0 =  - 16 {t}^{2}  + (35)t + 204

Use Quadratic Formula,

- b± \frac{ \sqrt{b {}^{2}  - 4ac} }{2a}

A is -16, B is 35 , C is 204.

So we have

- 35± \frac{ \sqrt{ {35}^{2} - 4( - 16)(204) } }{ - 32}

- 35± \frac{ \sqrt{1225 + 2240}  }{ - 32}

- 35± \frac{ \sqrt{3465} }{ - 32}

{35}  ± \frac{ \sqrt{3465} }{ - 32}

The positve solution is

4.83

So the answer is 4.83 seconds

5 0
2 years ago
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