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xenn [34]
3 years ago
8

Adi used algebra tiles to represent the product (negative 2 x minus 1)(2 x minus 1).

Mathematics
2 answers:
aleksley [76]3 years ago
6 0

Answer:

its B

Step-by-step explanation:

Paha777 [63]3 years ago
5 0

Answer:

She did not represent the two original factors correctly on the headers.

Step-by-step explanation:

Adi algebra tiles representation is shown in the figure attached.

She made a mistake when she represented -2x-1 with two negative tiles in the top header , so, the representation in the header is not correct.

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Each side of a rhombus is 20 cm long and one of its diagonals is 24 cm in length, find the area of ​​this rhombus?
vodomira [7]

Answer:

AB = 20 CM

OA = 1

__ × 24 cm

2

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OB² == AB² - OA ²

( {20}^{2} ) - ( {12}^{2} ) \\  = 400 - 144 \\  = 256 \\

ob \:  =  \sqrt{256}  = 16 \\ bd \:  = 2 \times ob \\  = 2 \times 16 \\  = 32cm \:  \\

AREA OF ABCD IS

\frac{1}{2 }  \times ac \times bd \\  =  \frac{1}{2}  \times 24 \times 32 \\ 384cm

hope \: its \: helpful \:  \: to \: you \:

6 0
2 years ago
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When a number is decreased by 16% of itself the result is 159.6. What is the number?
Rufina [12.5K]

Hey there! I'm happy to help!

Let's call this number n. Here is the info we can write about it. Remember that to write as a percent as a decimal you divide by 100.

n-0.16n=159.6

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Have a wonderful day! :D

7 0
3 years ago
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If you are asking for the slope it is a zero slope because...

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but a horizontal slope is when the zero is on the bottom.

btw- I guarantee I am right because i am a Indian. My wisdom comes from God. Jesus Christ!!!!:):):)


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4 years ago
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bezimeni [28]

Answer:

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Step-by-step explanation:

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3 years ago
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