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lilavasa [31]
2 years ago
14

URGENTT!!!! help quick please

Mathematics
1 answer:
omeli [17]2 years ago
7 0
The answer is going to be
X=20
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Yuki888 [10]

Answer:

50

Step-by-step explanation:

Fifty lol Gosh why does my answer have to be 20 characters

4 0
3 years ago
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Give two systems of equations that would be easier to solve by substitution than by elimination. Then give two systems that woul
Daniel [21]
These techniques for elimination are preferred for 3rd order systems and higher. They use "Row-Reduction" techniques/pivoting and many subtle math tricks to reduce a matrix to either a solvable form or perhaps provide an inverse of a matrix (A-1)of linear equation AX=b. Solving systems of linear equations (n>2) by elimination is a topic unto itself and is the preferred method. As the system of equations increases, the "condition" of a matrix becomes extremely important. Some of this may sound completely alien to you. Don't worry about these topics until Linear Algebra when systems of linear equations (Rank 'n') become larger than 2.
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3 years ago
Multiply or divide as indicated. Y^-9•y^-8•y^10
BabaBlast [244]

Answer:

1 / y^7

Step-by-step explanation:

Y^-9•y^-8•y^10

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8 0
3 years ago
The inhabitants of the island of jumble use the standard kobish alphabet ($20$ letters, a through t). each word in their languag
rjkz [21]
We know that

<span>1. The number of all 4-letter words written using the alphabet of 20 symbols (from A to T) is 
20</span><span>^4=160,000
</span><span>
 2. The number of all 4-letter words written using the alphabet of 19 symbols (from B to T) is 
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 3. The difference represents exactly the number of all words of the inhabitants of the island of Jumble
difference=</span>(160,000-130,321)= 29679.

the answer is
29679
7 0
3 years ago
40 POINTS AND BRAINLIEST<br><br> Which function rule describes the pattern in the table?
worty [1.4K]

Answer:

y= -x-2

Step-by-step explanation:

y=ax+b

x= -2; y=0 => 0=-2a+b; b=2a

x= -1; y= -1 => -1=-a+b => b=a-1

2a=a-1=> a= -1; b= -2

=> y= -x-2

3 0
3 years ago
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