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natima [27]
3 years ago
13

Find the product mentally. (2m - 9)2

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

4m - 18

Step-by-step explanation:

Using the distributive property, 2 times 2m would result in 4m and 2 times 9 would result in -18. Thus, the answer would be 4m - 18.

miv72 [106K]3 years ago
3 0

[ Answer ]

\boxed{4m \ - \ 18}

[ Explanation ]

Find Product Mentally (2m - 9)2

-------------------------------

Reduce

2(2m - 9)

Apply Distributive Property

2 · 2m - 2 · 9

Simplify

2 · 2m - 2 · 9: 4m - 18

= 4m - 18

\boxed{[ \ Eclipsed \ ]}

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andrey2020 [161]

Answer: 7800

Step-by-step explanation:

As English alphabet has 26 letters.

So , Choices for First character in the code = 26

The choices for digits = 10  (From 0 to 9)

So , choices for second character = 10  (Middle two characters must be numbers)

choices for third character = 10            (Middle two characters must be numbers)

Choices for last character = 3   (the  last character must be a 1, 3, or 7)

By Fundamental principle of counting , the total number of four character codes can be generated =

(Choices for First character)x (choices for digits) x(choices for digits) x(Choices for last character)

= (26) (10)(10)(3) =7800

Hence, the total number of character codes can be generated= 7800

6 0
3 years ago
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4 years ago
Question:<br> a=-4,(3,0),(-8,0)
s2008m [1.1K]

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Step-by-step explanation:

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8 0
3 years ago
which unit of measure would be appropriate for the area of a bulletin board that is 2 meters tall and 6 meters wide
Nostrana [21]

Answer:The entire area would be 12 square meters.

Step-by-step explanation:

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2 years ago
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Answer:

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