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4 years ago

Find each sum or difference. Show your work. (4x-3x^2+5)+(2x^2-5x+1) Plz help!

2 answers:

7 0

(4x - 3x² + 5) + (2x² -5x + 1)

= 4x - 3x² + 5 + 2x² - 5x + 1 //Open brackets

= -x² - x + 6 //Combine like terms

MissTica4 years ago

6 0

Hey there :)

( 4x - 3x² + 5 ) + ( 2x² - 5x + 1 )

Combine like-terms

- 3x² + 2x² + 4x - 5x + 5 + 1
- 1x² - 1x + 6

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A piece of chalk is 34/56 centimeter long. Brian breaks off 23/56 centimeter long. Sara added 12/56 centimeter to the chalk that

mr Goodwill [35]

Answer:

23/56 centimeters

Step-by-step explanation:

all of the variables have a common denominator, so you can effectively ignore the denominator when solving.

1. you start off with 34/56 centimeter of chalk and Brian breaks off 23/56 centimeters worth, leaving you with 11/56 centimeters

$\frac{34}{56} -\frac{23}{56} =\frac{11}{56}$

2. Sara then added 12/56 centimeters worth, making the final amount 23/56 centimeters of chalk

$\frac{11}{56}+\frac{12}{56} =\frac{23}{56}$

An equation to summarize all of this is:

$\frac{34}{56} -\frac{23}{56} +\frac{12}{56}$

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4 years ago

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Total =
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Calculus = 80 + 60 = 140

Probability :
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Answer : 14/23 or in decimal form, 0.61.

Hope this helps. - M

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3 years ago

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Alla [95]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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