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ipn [44]
3 years ago
9

Help!!!!!! Describe the process you can use to solve a system of equations using a matrix.

Mathematics
1 answer:
Tresset [83]3 years ago
8 0

Answer:

To solve a system of linear equations using an inverse matrix, let A be the coefficient matrix, let X be the variable matrix, and let B be the constant matrix.

Step-by-step explanation:

It just be that way sometimes

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Zoologists estimate that a randomly selected baby giraffe has a 32% chance of surviving to adulthood. Assume this estimate is co
Harlamova29_29 [7]

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All are Yes ^^^

Step-by-step explanation:

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3 years ago
In July 15 days of rain, 10 days without rain, 6 days of only sunshine. What fraction of the days in July did not have any rain?
KonstantinChe [14]

Answer:

16/31 days

Step-by-step explanation:

Add up all the days: 15+10+6=31

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With no rain as numerator and total as denominator you get an answer of 16/31

5 0
4 years ago
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The length of a rectangle is four times its width. if the perimeter of the rectangle is 80yd, find its length and width.
Vedmedyk [2.9K]
The length is 8. the width is 32. 

32(2) = 64

8(2) = 16

64+16 = 80 

So the length would be 8 and the width would be 32 since it's 4 times the length.

Hope this helped!
6 0
3 years ago
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How many downloads did song 1 have at minute 3?
Shkiper50 [21]

Answer:


Step-by-step explanation:I think the answer is D.


3 0
3 years ago
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Eli sells refrigerators. His base salary is $250 per week, and his commission is $50 for each refrigerator (r) that he sells. He
Mekhanik [1.2K]

Answer:

C and e

Step-by-step explanation:

the 50r represents the commision he receives for each refrigerator he sells, and the 250 is the base salary and it’s bigger than, >, because he needs to earn MORE than 900 and you get D by solving the inequality,  50r >900, r>15

would be amazing if you marked this brainliest :)

5 0
3 years ago
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