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frez [133]
2 years ago
6

Choose the correct simplification of (4x^3 - 3x- 7) + (3x^3 + 5x + 3)

Mathematics
1 answer:
jolli1 [7]2 years ago
8 0

Answer:

The correct answer is C. 7x^3 + 2x -4

Step-by-step explanation:

The other guys answer is incorrect. He gave himself 5 stars and it stayed like that until i took them down some

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Please solve these 2 ;-;<br><br> y = 2x – 6<br> y = –4x + 3
Yuri [45]

Answer:

x = 3/2 | y = -3

Step-by-step explanation:

Given equations:

  • y = 2x - 6. . . .(i)
  • y = -4x + 3. . . . (ii)

Substituting from equation (i) for y:

==> 2x - 6 = -4x + 3

==> 2x + 4x = 6 + 3

==> 6x = 9

<em>dividing both </em><em>sides by 3</em><em>:</em>

==> 2x = 3

==> x = 3/2

Substituting 3/2 for x in equation (i):

==> y = 2(3/2) - 6

==> y = 3 - 6

==> y = -3

3 0
2 years ago
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Round 843 to the nearest ten.
alina1380 [7]
Hundreds Column:

8

Tens Column:

4

Ones Column:

3

The number 3 lies closer to 0, therefore the answer is <u>840</u>.
7 0
3 years ago
The simple interest I on an investment of P dollars at an interest rate r for t years is given by I = prt. Find the time it woul
goldenfox [79]
T=i/pr
t=900÷(21,000×0.046)
t=0.93167 y
3 0
3 years ago
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PLZ HELP ME I NEED THIS FAST
goblinko [34]
The answer is D :) II hope that this helps and if you need a bigger description I can help
7 0
2 years ago
The perimeter of a square is 60 inches. Find the area.
Marianna [84]

Answer 225

Step-by-step explanation:

60/4=15. 15*15= 225

5 0
2 years ago
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