What is y to the fourth power?y=4
2 answers:
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Answer:
(4, - 2 )
Step-by-step explanation:
Given the 2 equations
x = 4 → (1)
- y = x → (2)
Substitute x = 4 into (2)
- y = × 4 = 2 ( multiply both sides by - 1 )
y = - 2
Solution = (4, - 2 )
Let's say both had an original amount of "a".
then Liam deposited 140, so it became a + 140.
then Charlie added 5% of "a" to "a", well, 5% of anything is just (5/100)*anything, so 5% of "a" is just (5/100) *a or 0.05a.
then they checked their amounts and both were equal, what the? let's check.
then Liam deposited 140, so it became a + 140.
then Charlie added 5% of "a" to "a", well, 5% of anything is just (5/100)*anything, so 5% of "a" is just (5/100) *a or 0.05a.
then they checked their amounts and both were equal, what the? let's check.