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Dmitry_Shevchenko [17]
3 years ago
5

I need the encrypted message in this matrix​. also the alphabetical key

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A = [ -1, 2, -3, 4]

B = [ -2, 3, -2, 4]

C = [ 3, -4, -2, 4]

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(9)/(16) x^(2)+7.5x=-25
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Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Exact Form:

x= −20/3

Decimal Form:

x= −6.66...

Mixed Number Form:

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Step-by-step explanation:

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3 years ago
Which statement compares the two numbers correctly? (2 points) 7 x 10 + 3 x 1 + 3 x 0.1 + 8 x 0.01 + 5 x 0.001 ________ 73.293 G
Elis [28]

Answer:

7 × 10 + 3 × 1 + 3 × 0.1 + 8 × 0.01 + 5 × 0.001  > 73.293

Step-by-step explanation:

Given: Numbers are 7 × 10 + 3 × 1 + 3 × 0.1 + 8 × 0.01 + 5 × 0.001 and 73.293

To compare: the two given numbers

Solution:

7 × 10 + 3 × 1 + 3 × 0.1 + 8 × 0.01 + 5 × 0.001  is equal to 73.385

Compare the numbers 73.385 and 73.293

Digits at the ones pace and tens place in both the numbers are same.

Observe the digit at the tenth place in both the numbers.

Digit at the tenth place in 73.385 is 3

Digit at the tenth place in 73.293 is 2

As 3>2,

73.385 > 73.293

So,

7 × 10 + 3 × 1 + 3 × 0.1 + 8 × 0.01 + 5 × 0.001  > 73.293

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