B) is not invertible, while the others are.
a) The inverse is x+2
c) The inverse is
d) The inverse is![\sqrt[3]{x}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7Bx%7D)
a) The inverse is x+2
c) The inverse is
d) The inverse is
A fraction that is a repeating decimal between 1.25 and 1.5
1 answer:
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Answer:
4/5
Step-by-step explanation:
the numerator of fraction is 1 less than its denominator. If the numerator is increased by 4 and the denominator is increased by 5, the new fraction becomes equivalent to 4/5. what is the original fraction?
Let n = numerator
d = denominator
n = d - 1
=
=
cross multiply
5(d + 3) = 4(d + 5)
5d + 15 = 4d + 20
d = 5
n = d - 1
5 - 1 = 4
original fraction 4/5
Answer:
$72.15
Step-by-step explanation:
x= pounds of steak
$ = money spent on steaks
If Neil buys 7.5 pounds of steak then x =7.5
$9.62(7.5) = $72.15