First one is wrong bcs it should be smaller than the answer.
The second one is correct bcs to find the second number we need to do inverse operation, here is subtraction.
Third one is correct bcs this is the same (but if u r searching only for relating not same, then the third kind of wrong)
The last one is correct
Answer: 720ways, 24ways
Step-by-step explanation:
Given the seven letter words "SYSTEMS", if E is always occurring before M it means E and M will always be together therefore they letter 'EM' will be taken as an entity to five us 6letters i.e SYST(EM)S.
This can then be arranged in 6!ways
6! = 6×5×4×3×2×1 = 720ways
Similarly, if the E somewhere before the M and the three Ss grouped consecutively, this means E and M must always be together as well as the Ss to give (SSS)YT(EM).
This means that the letters in the bracket can be taken as an entity to give a total of 4 entities. This can them be arranged in 4! ways.
4! = 4×3×2×1
4! = 24ways
Answer: it’s -1/4
Step-by-step explanation:
Answer:
Principal (p) = $775
Rate of interest (r) = 4.24% = 0.0424
No of years/time (t) = 4 years
Simple interest = ptr
= 775 × 4 × 0.0424
= 131.44 dollars
Hence simple interest after 4 years is $131.44
Amount = simple interest + principal
= 775 + 131.44
= 906.44 dollars
Hence amount after 4 years is $906.44
RESULT
906.44 dollars
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