Answer:
x = -1.5 y = 8.25
Step-by-step explanation:
5x + 2y - 5x - 10y = -66
8y = 66
y = 8.25
5x + 2(8.25) = 9
x = -1.5
No is the answer i believe
Step-by-step explanation:
substitute the values
px=3x+1
=(3x+1)/x
=3x/x +1/x
=3+1/x
rx=2x²+5
p(r(x)) =(3+1/x(2x²+5))
=6x²+15+2x²/x+5/x
=3(2x²+5)+1/x(2x²+5)
=(2x²+5)(3+1/x)
Answer:
Helen requires 15$ more to buy the three books.
Step-by-step explanation:
We are given the following in the question:
Cost of dictionary = $7
Cost of dinosaur book = $16
Cost of cook book = $17
Helen's allowance = $25
Total cost of three books =
Extra money required to buy three books =
Thus, Helen requires 15$ more to buy the three books.