ewan makes chess boards from wood each bored has 3 different kinds of wood he has 5 kinds of wood in his workshop maple cherry w
2 answers:
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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
The price of the stock of PEV Corporation varies as shown. we have to determine the net charge. Net change is just how much it changed overall, so we will look for all the ups minus all the downs.
Here, "went up" goes with a + sign, and "went down" goes with a - sign.
So, Net charge =
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=
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LCM of 2,3 and 10 is 30
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=
So, the net charge is