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PolarNik [594]
3 years ago
10

Find the reduced row echelon form of the augmented matrix

Mathematics
1 answer:
LenaWriter [7]3 years ago
5 0

Answer:

Top row: [1 0 0 1000]

Middle row: [0 1 0 300]

Bottom Row: [0 0 1 0]

Step-by-step explanation:

To put it in RREF form, you need to have only 1's in a diagonal and 0's both top and bottom of the 1's. To get to the forms, you need to multiply and add rows together to solve for RREF.

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Yes this is using the transitive property
Point A leads to point B, B goes to C, so overall A goes to C. Think of it connecting a chain. 

Nice job on getting the correct answer.
5 0
3 years ago
A bookstore sells paperback fiction books in excellent condition for $2.50 and in fair condition for $0.50. Write an expression
Rama09 [41]

Answer:

d

Step-by-step explanation:a

3 0
3 years ago
Ví dụ 1.5. Một người đi mua hàng 3 lần. Xác suất lần đầu mua được hàng tốt là 0,7.
vodka [1.7K]

Answer:

a) 0.50575,

b) 0.042

Step-by-step explanation:

Example 1.5. A person goes shopping 3 times. The probability of buying a good product for the first time is 0.7.

If the first time you can buy good products, the next time you can buy good products is 0.85;  (I interpret this as, if you buy a good product, then the next time you buy a good product is 0.85).

And if the last time I bought a bad product, the next time I bought a good one is  0.6. Calculate the probability that:

a) All three times the person bought good goods.

P(Good on 1st shopping event AND Good on 2nd shopping event AND Good on 3rd shopping event) =

P(Good on 1st shopping event) *P(Good on 2nd shopping event | Good on 1st shopping event) * P(Good on 3rd shopping event | 1st and 2nd shopping events yield Good) =

(0.7)(0.85)(0.85) =

0.50575      

b) Only the second time that person buys a bad product.

P(Good on 1st shopping event AND Bad on 2nd shopping event AND Good on 3rd shopping event) =

P(Good on 1st shopping event) *P(Bad on 2nd shopping event | Good on 1st shopping event) * P(Good on 3rd shopping event | 1st is Good and 2nd is Bad shopping events) =

(0.7)(1-0.85)(1-0.6) =

(0.7)(0.15)(0.4) =

0.042

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2 years ago
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nataly862011 [7]
The diameter is 4,71
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3 years ago
Plzzzzzzzzzzzzz help ;-;
Goshia [24]

Answer:

option A

associative property of addition

5 0
3 years ago
Read 2 more answers
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