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Naddika [18.5K]
3 years ago
9

What is the difference of the two polynomials? (9x2 + 8x) – (2x2 + 3x)

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0

Answer:

(9x² + 8x) - (2x² + 3x)

= 7x² + 5x

Step-by-step explanation:

(9x² + 8x) - (2x² + 3x)

open the bracket

= 9x² + 8x - 2x² - 3x

collect like terms

= 9x² - 2x² + 8x - 3x

= 7x² + 5x

damaskus [11]3 years ago
7 0
(9x^2+8x)-(2x^2+3x)
9x^2+8x-2x^2-3x
7x^2+5x

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PLEASE HELP!! look at the image below
Sladkaya [172]

Answer:

A right 4 down 5

Step-by-step explanation:

counting the grid spaces from any point for example R and going to the point R' (R prime) will give you the translation

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How do i do this without using pdf or power point plz help
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Grab some paper, a pencil, and a ruler. Make a 6 by 6 square
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3 years ago
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A lottery consists of one $2000 winner, three $500 winners, and ten $100 winners. a total of 1000 tickets are sold for $10 each.
Semenov [28]

Answer: -5.5

 

WOKINGS

Given that the lottery has the following number of winners:

One $2000 winner

Three $500 winners

Ten $100 winners

 

Also Given,

A total of 1000 tickets are sold

Each ticket costs $10

 

The expected winning for a person purchasing one ticket is the sum of the products of the gain/loss and their corresponding probability.

 

There is one $2000 winner

There are 1000 tickets

The probability of winning $2000

= 1/1000

= .001

There are three $500 winners

There are 1000 tickets

The probability of winning $500

= 3/1000

= .003

 


There are ten $100 winners

There are 1000 tickets

The probability of winning $100

= 10/1000

= .01

 

Since each ticket costs $10

Everyone who buys a ticket automatically loses $10.

Therefore, the probability of losing $10 is 1

 

Now to calculate the expected winning for a person purchasing one ticket

= 2000(.001) + 500(.003) + 100(.01) – 10(1)

= 2 + 1.5 + 1 – 10

= -5.5

 

The expected winning is -5.5. This implies that a person playing this lottery can expect to lose $5.50 for every one ticket that they purchase. 

7 0
3 years ago
Below are two parallel lines with a third line intersecting them.
Korolek [52]

Answer:

x=88

Step-by-step explanation:

That third line is a transversal, making 92 and x supplementary to each other.

92+x=180

x=88

3 0
3 years ago
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8%commission on 3575
DiKsa [7]

Answer:

286

Step-by-step explanation:

Divide 8% by 100 to find the decimal or simply move to decimal 2 spaces to the left to get 0.08. Multiply this by 3575 to get the answer, 286.

Hope this helps

6 0
3 years ago
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