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8090 [49]
3 years ago
15

Without expanding determinants,Prove that​

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

To prove???

Step-by-step explanation:

i have proved this

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DUE IN 5 MINUTES MATH QUESTION ​
kumpel [21]

Answer:

x= -10

Step-by-step explanation:

So because the angle 55 is part of the same line as one of the unknown angles you can do 180-55 to find that first angle at the top, which is 125.

Next add all three angles (125 + x + 35 + x + 40)=180

Combine the x values to get 2x and subtract the three values from 180

Then 2x= -20, x should be equal to -10

You can plug x back into the values and check your work by adding all the values again, making it all equal to 180 degrees again

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3 years ago
How do i know if this linear? on both
Gre4nikov [31]
This isn't linear if it wasn't linear, the last y wouldn't be 4
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3 years ago
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Please help me solve this question will give you braisnlt !
Hoochie [10]

Answer:

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Step-by-step explanation:

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3 years ago
Round the following as specified.<br> to the nearest thousandth
xenn [34]

Answer:

153.385

Step-by-step explanation:

After the dot it goes tenths,hundreds, then thousands

Image:

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3 years ago
The same amount of principal is invested in different accounts earning the same interest rate. Which of the following
olchik [2.2K]

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