Answer:
- 494
Step-by-step explanation:
Breaking down the summation into it;s component parts
= 4k -
k(k + 1) ← substitute k = 19
= (4 × 19 ) - 1.5 × (19 × 20)
= 76 - (1.5 × 380)
= 76 - 570
= 494
Answer:
Step-by-step explanation:
x = 8
Answer:
it means you replace y with 18 so
33(18)
so 33*18=594
Hope This Helps!!!
Answer: 100$.
100% - 80% = 20%
20$ / 0.20(20%) =100$
The answer would be 405 because
405
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6|2430 sorry for long example.
24
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030
30