googoomylizard
24.07.2019 •
Mathematics
Determine if b is a linear combination of the other vectors. if so, express b as a linear combination. (if b cannot be written as a linear combination of the other two vectors, enter dne in both answer blanks.) a1 = −2 5 , a2 = 7 −3 , b = 32 7
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Ответ:
You can either solve this by solving the simultaneous equations directly or by matrices.
Ответ:
x = 7000 OR 7360 OR 237,410 OR 270,00 etc.
Step-by-step explanation:
Given - Jackie wrote the number 238,741 on the board.
To find - In which number is the value of the digit 7 exactly 10 times the
value of the digit 7 in the number Jackie wrote?
Proof -
given that the number Jackie wrote = 238, 741
The value of digit 7 = 100 (Hundred's place)
Now,
Let the number = x in which the value of 7 is exactly 10 times the value of the digit 7 in the number Jackie wrote.
Now,
The value of digit 7 in x = 10 × value of digit 7 in Jackie number
= 10 × 100
= 1000
⇒The value of digit 7 in x = 1000 ( Thousand's place)
So, The number can be
x = 7000
Or
x = 7360
OR
x = 237,410
OR
x = 270,00 etc