Can somebody help and explain if you're able to. thank you
2 answers:
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Answer:
Step-by-step explanation:
The projection of a vector onto a vector
is defined as the projection of the vector
on the line that contains the vector
. It can be calculated using the following formula:
Where:
Is the dot product between and
which is given by:
and:
Is the magnitude of vector which can be calculated as follows:
In this sense, the projection of vector w onto vector u is:
Where the dot product between and
is:
And the magnitude of is:
Thus:
Answer: Cost of DVD is $2.95 and cost of games is $3.2.
Step-by-step explanation:
Let the cost of DVD be x
Let the cost of games be y
So, According to question,
Now, we will apply " Substitution Method " i.e.,
Put this value of x in second equation:
Now, substitute the value of y in equation of x:
Hence, Cost of DVD is $2.95 and cost of games is $3.2.