Solve the polynomial congruence x² ≡ 1(mod3).
1 answer:
Answer:
x is any integer not a multiple of 3
Step-by-step explanation:
This is equivalent to ...
(x mod 3)² = 1
x mod 3 = ±1 . . . . . . taking the square root
Possible values of x mod 3 are 0, 1, 2 (≅-1), so the only value excluded is 0.
x mod 3 ≠ 0 . . . . . . for any integer x
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Answer:
-25
Step-by-step explanation:
make both equal
x-10=2x+5
add
-2x+x=10+5
-x=15
x=-15
solve for Y
y=x-10
y=-15-10
y=-25
Answer:
the bottom one my dude. hope it helps!
1/8
3 divide by 3=1
24 divide by 3= 8
which gives you 1/8
answer:
48 + 12 + 35 + 57 + 42 + 15 + 74 + 29 = 312
divide by number of numbers,
312 / 8 = 39
the mean is 39.
<em>if correct, please mark the brainliest :)</em>
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Answer:
-103
Step-by-step explanation:
Just subtract
