Step-by-step explanation:
a) one solution
x=30
b) no solution 0=0
c) no solution
0≠-21
common difference is calculated by subtracting previous term from next term
So
3) common difference = 8-4 = 4
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4) common difference = 7-6.3 = 0.7
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5) common difference = 500-200 = 300
No it’s not -7 it’s = 2x + 20
i hope it helps!
Answer:
(x-3)^2 + (y+1)^2 =65
Step-by-step explanation:
1.find centre
2. substitute centre (h,k) into (x-h)^2 + (y-k)^2 = r^2
Answer:
b) ¿Qué edad tiene cada uno?
Step-by-step explanation: