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brutalgitaffe
07.08.2021 •
Mathematics
The vector (a) is a multiple of the vector (2i +3j) and (b) is a multiple of (2i+5j) The sum (a+b) is a multiple of the vector (8i +15j). Given that /a+b/= 34 and the scaler multiple of (8i+15j) is positive, Find the magnitude of a and b.
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Ответ:
Step-by-step explanation:
Let
,
, and
be scalars such that:
The question states that
. In other words:
Make use of the fact that
whereas
.
The question also states that the scalar multiple here is positive. Hence,
.
Therefore:
Equate the two expressions and solve for
and
:
Hence:
Ответ:
d. A line of credit backed by collateral
Step-by-step explanation:
A secured line of credit is called "secured" because it is guaranteed, or backed, by collateral. Banks do this in order to ensure that they are paid back. This is usually done for customers with a lower credit score.