Answer:
Step-by-step explanation:
We want to find 
given that 
and 
.
We substitute the functions to get:
We simplify the rational function to get:
However, this function is only defined for 
7!/2!
Step-by-step explanation:
nCr=(nr)=n!r!(n−r)! 7C2=(72)=7!2!(7−2)!=7!2!⋅5!=50402⋅120=5040240=21.
Answer:
the answer is y=8.5x
Step-by-step explanation:
because x would equal the hours and y would equal the money.
so you divide y by x, so in this case it would be 127.50/15 and that equals 8.5
so the multiplier or constant of proportionality, if thats what you guys call it, is 8.5.
If the discount is 75% so the new price of the product will be 0.25P.
<h3>What is discount?</h3>
Discount is the reduced amount on the MRP of any product. So we will give the less amount then the MRP of the product.
Here the discount on P is given as 75% so the price of the product now becomes P-0.75P;
The expression will be calculated as:
P-0.75P=0.25P
Hence If the discount is 75% so the new price of the product will be 0.25P.
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