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Zarrin [17]
1 year ago
10

Chin made an error in his chart showing the multiplication of the binomial by the trinomial. Which change can be made to correct

the chart? The expression 3x3 should be 3x2. The expression 6x should be 6xy. The expression x2y should be x2y2. The expression 4y should be 4y2.

Mathematics
2 answers:
Tcecarenko [31]1 year ago
7 0

Answer:

The expression 6x should be 6x²

Step-by-step-explanation:

The chart being referred to showing the multiplication of the binomial by the trinomial is given in the attached picture below.

To find out where Chin made an error in his multiplication, and also determine the right expression, let's take a look at each multiplication done. Thus we have:

3x*x² = 3x³

3x*2x = 6x² (here is where the error was made, in the chart, Chin wrote 6x)

3x*4 = 12x

2*x²=2x²

2*2x = 4x

2*4 = 8

Therefore, the expression 6x should be 6x²

stiv31 [10]1 year ago
6 0

Answer:

its B

Step-by-step explanation:

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sukhopar [10]

Answer:

-3x-6y-2z

Step-by-step explanation:

(4x - 2y)-(7x+4y-2z) = 4x-2y-7x-4y-2z = -3x-6y-2z

I hope that's the answer.

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2 years ago
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Consider two people where one person is 20​% taller than the other but proportioned in exactly the same way.​ (That is, the tall
Masja [62]

Answer:

43.2in

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If the two people are equally proportional, then knowing the size of the waist of one of them, we gonna we be able to know the other's wais size, by the relation.

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7 0
2 years ago
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What is the final amount if 865 is decreased by 16% followed by a 14% increase?
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Answer:

828.32

Step-by-step explanation:

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6 0
2 years ago
Ariana has $1.40 worth of nickels and dimes. She has twice as many nickels as dimes. Determine the number of nickels and the num
navik [9.2K]

Answer:

14 nickels

7 dimes

Step-by-step explanation:

1. find out how many dimes there has to be to get $1.40

1 dime= .10

1.40/.10=14 dimes

14/2=7

so there are 7 dimes

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proof:

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hope this helps!

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