My lilttle brother: Whats the h word
1 answer:
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<span>A perfect power is a positive integer that can be expressed as an integer power of another positive integer.
More formally, n is a perfect power if there exist natural numbers m > 1, and k > 1 such that
.
Sometimes, some fractional or decimal radicants are not perfect power, yet they evaluate to a terminating decimal or recalling decimal.
Example: 6.25 is not a perfect power, but
.
Therefore, </span><span>A radical whose radicand is not a perfect power is a rational number</span> SOMETIMES.
More formally, n is a perfect power if there exist natural numbers m > 1, and k > 1 such that
Sometimes, some fractional or decimal radicants are not perfect power, yet they evaluate to a terminating decimal or recalling decimal.
Example: 6.25 is not a perfect power, but
Therefore, </span><span>A radical whose radicand is not a perfect power is a rational number</span> SOMETIMES.
Answer:
x = 17, y = 28
Step-by-step explanation:
1. Isolate for x in "x - y = -3, -8":
x - y+y = -3, -8+y
x = -11 + y
2. Substitute "x = -11 + y" in for x in the second expression:
-11 + y + y = 45
3. Simplify:
-11 + 2y = 45
4. Isolate y:
-11+11 +2y = 45+11
2y = 56
y = 28
5. Substitute the new y-value into the first equation:
x = -11 + 28
x = 17
hope this helps!