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Kobotan [32]
1 year ago
8

What's the answer to 2.4(-3.3-0.9+1.2)

Mathematics
1 answer:
Annette [7]1 year ago
7 0

-7.2

Explanation:

2.4(-3.3 -0.9 +1.2)

expanding the parenthesis:

2.4(-3.3) -2.4(0.9) + 2.4(1.2)

Simplify:

-7.92 - 2.16 + 2.88

-10.08 + 2.88

= -7.2

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MariettaO [177]

Answer:

2x - 0.4x ;

8x/5 ;

Yes

Step-by-step explanation:

Let number of miles = x

Arlene:

Double number of miles = 2 * x = 2x

Subtract 20% of the result :

2x - 20% of 2x ;

2x - 0.4x

Raul:

Divides Number of miles by 5 ; x / 5

Multiplies result by 8 ;

8 * (x/5) = 8x /5

To know if expressions are equivalent :

Let x = 10 miles

Using Arlene's expression:

2x - 0.4x

x = 10

2(10) - 0.4(10) = 16

Using Raul's expression :

8x / 5

(8*10) / 5

80/5

= 16

Since they give the same result, we can conclude that the expression are equivalent

5 0
3 years ago
elsa recorded the different types of ice cream her friends like in the table below: ice cream type number of friends chocolate 3
Papessa [141]
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3 years ago
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PLEASE HELP!! WILL MARK BRAINLIEST ANSWER
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Answer:

I want Brainliest!!!!

Step-by-step explanation:

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6 0
3 years ago
Please help 20 points
Aloiza [94]
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