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Pie
3 years ago
7

Subtract these polynomials.

Mathematics
1 answer:
loris [4]3 years ago
8 0

Answer:

C

Step-by-step explanation:

(4x^2-x+6)-(x^2+3)

First, you can change the second polynomial to make it an addition problem.

(4x^2-x+6)+(-x^2-3)

Then you add them together so 4x^2-x^2=3x^2

-x has nothing to subtract or add so we bring it down

and 6-3=3 making the answer

3x^2-x+3

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Dmitrij [34]

Answer:

   46. <u>(3) 29</u>

   47. <u>(1) y = -4x + 3</u>

   48. <u>(3) 3</u>

   49. <u>(3) -1/2</u>

   50. <u>(4) 25x - 75</u>

Step-by-step explanation:

<u>Question 46</u>

  • Let red marbles be 2x + 3 and black marbles be x
  • 2x + 3 + x = 42
  • 3x = 39
  • x = 13
  • No. of red = 2(13) + 3 = 29 marbles
  • <u>(3) 29</u>

<u></u>

<u>Question 47</u>

  • Parallel to a line means the slope is the same
  • <u>(1) y = -4x + 3</u>

<u></u>

<u>Question 48</u>

  • For the expression to be undefined, the denominator has to be 0
  • x - 3 = 0
  • x = 3
  • <u>(3) 3</u>

<u></u>

<u>Question 49</u>

  • Slope = -4 - 1 / 4 + 6
  • Slope = -5/10
  • Slope = -1/2
  • <u>(3) -1/2</u>

<u></u>

<u>Question 50</u>

  • Total = 25x
  • Left 3 boxes at home = -3x = -3(25) = -75
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6 0
2 years ago
If a triangle has sides of lengths 3, 4, and 5 units, then it is
nekit [7.7K]

Answer:

If a triangle has side lengths 3, 4, and 5 units, then its area is 6

Step-by-step explanation:

<em><u>Deductive reasoning </u></em>represents an important form of logical reasoning in which a conclusion is based on the concordance of multiple premises that are generally assumed to be true

we have

If a triangle has side lengths 3, 4, and 5 units, then its area is 6

we know that

1) If triangle has side lengths 3, 4 and 5, then is a right triangle because satisfy the Pythagoras Theorem

2) All right triangles have an area equal to one  half the product of the two smaller side lengths

A=\frac{1}{2}(a)(b)

substitute the values

A=\frac{1}{2}(3)(4)

A=6\ units^2

therefore

The statement is valid based on deductive reasoning

8 0
4 years ago
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asambeis [7]

Answer:0-9

24

10-19

20

20-29

32

Step-by-step explanation:

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3 years ago
What is x + 15 &gt; 3?
Over [174]

Answer:

hmm

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

6 0
3 years ago
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