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hodyreva [135]
3 years ago
6

What does A equal?•1•4•58​

Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer:

a=4

Step-by-step explanation:

if a+5=2a+1

then 5-1 = 2a-a

so 4 = a

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puede cargar 205 killos pero no mas de 260 por el peso.

Step-by-step explanation:

5t. 3q 85kg

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Which point on the graph represents the y-intercept?
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Step-by-step explanation:

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2 years ago
Explain the order in which you should compute the operations in the expression below.
Reptile [31]

1. You would divide the 33/3 first to get 11

2. Then you would add 1 to that answer to get 12

3. Then you would subtract 2^2 from that to get 8

Your answer would be 8.

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Where does the oxygen that is used during cellular respiration in animals
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6 0
3 years ago
Which coefficient matrix represents a system of linear equations that has a unique solution ?
finlep [7]

Answer:

Option C

Step-by-step explanation:

We are given a coefficient matrix along and not the solution matrix

Since solution matrix is not given we cannot check for infinity solutions.

But we can check whether coefficient matrix is 0 or not

If coefficient matrix is zero, the system is inconsistent and hence no solution.

Option A)

|A|=\left[\begin{array}{ccc}4&2&6\\2&1&3\\-2&3&-4\end{array}\right] =0

since II row is a multiple of I row

Hence no solution or infinite

OPtion B

|B|=\left[\begin{array}{ccc}2&0&-2\\-7&1&5\\4&-2&0\end{array}\right] \\=2(10)-2(10)=0

Hence no solution or infinite

Option C

\left[\begin{array}{ccc}6&0&-2\\-2&0&6\\1&-2&0\end{array}\right] \\=2(36-2)=68

Hence there will be a unique solution

Option D

\left[\begin{array}{ccc}5&10&5\\4&1&4\\-1&-2&-1\end{array}\right] \\=2(10)-2(10)=0=0

(since I row is -5 times III row)

Hence there will be no or infinite solution

Option C is the correct answer



4 0
3 years ago
Read 2 more answers
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