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Lady bird [3.3K]
4 years ago
8

What is the product of (2x2 + 5x-3) and (3x + 7)?

Mathematics
1 answer:
hoa [83]4 years ago
7 0

Answer:

(2x²+5x-3) × (3x+7) equals 6x³ + 29x² + 26x - 21.

Step-by-step explanation:

(2x²+5x-3) × (3x+7)

6x³ + 14x² + 15x² +35x - 9x - 21

Combine like terms.

6x³ + 29x² + 26x - 21

So, (2x²+5x-3) × (3x+7) equals 6x³ + 29x² + 26x - 21.

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Lines l and m are parallel. If the m∠1 = 45 degrees, which of the following angles does not measure 45 degrees? ∠2 ∠4 ∠7
Elena L [17]

Answer:

whats the answer

Step-by-step explanation:

6 0
3 years ago
Please answer the question correctly
olga55 [171]

Answer: The answer is 24

Step-by-step explanation: because it's the same line and it's only telling you half of the line so you just double it

5 0
3 years ago
The length of a rectangle exceeds its width by 1
Luba_88 [7]

Answer:

Width equals 11, and length equals 12.

Step-by-step explanation: It is helpful to memorize your multiplication tables up to 12. I personally couldn't figure out a formula for this, but I knew that 12 x 11 equals 132, and the length is greater than the width, so length is 12 and width is 11. Hopefully somebody else can figure it out. P.S. I meant the formula, not the answer, my answer is correct.

5 0
3 years ago
Read 2 more answers
Write the symbols for the probability that of all the outfielders, a player is not a great hitter.
Mumz [18]

The symbolic representation of the conditional probability

P(G'|O)  =  \frac{P(G'nO)}{P(O)}

This is a conditional probability problem ; which can be expressed explicitly as ;

  • The probability of not being a great hitter Given that the player is an outfielder
  • Recall :

Probability of A given B is defined as ;

P(A|B)  =  \frac{P(AnB)}{P(B)}

Let :

Probability that a player is an outfielders = P(O)

Probability that a player is a Great hitter = P(G)

  • Probability that a player is not a great hitter = P(G')

  • Probability that a player is not a great hitter given that he is an outfielder = P(OnG')

Therefore, we have :

P(G'|O)  =  \frac{P(G'nO)}{P(O)}

Learn more : brainly.com/question/18153040

7 0
3 years ago
How do I do #12? <br><br> Please show all work. <br><br> Please help!
hammer [34]

You have the ratio set up correctly:

2x+2/12 = x+3/21

Now cross multiply:

2x+2 * 12 = x+3 * 21

Simplify:

24x + 24 = 21x + 63

Subtract 24 from each side:

24x = 21x + 39

Subtract 21x from each side:

3x = 39

Divide both sides by 3:

x = 39/3

x = 13

5 0
3 years ago
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