Answer:
Step-by-step explanation:
Answer: d) determinant cannot be found
<u>Step-by-step explanation:</u>
You can only find the determinant of a SQUARE matrix.
In other words, the dimensions must be 2 × 2 or 3 × 3 or ... n × n
The dimensions of the given matrix is 2 x 3, so the determinant cannot be calculated.
Answer:
2 1/3 planes
Step-by-step explanation:
3.5 lego planes / 60 minutes
So fraction =
3.5/60
In 40 minutes he will build x planes
So the fraction equation is:
3.5/60 = x/40
Solve:
Cross multiply =
140 = 60x
x = 2 1/3
2 1/3 planes
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-Chetan K
I think it would have to be 5
i don't know i could be wrong but chances are 2
437 + 356= 793
ANSWER: 793
Hope this helps! :)