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➷ (9 + 2x) would represent the length of the actual painting plus the fixed width of the frame
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Answer:
B.5: 5^2(-3)(+7)
Step-by-step explanation:
1. 5 is the HCF of the three numbers, so it goes outside the brackets. 5(^4+4^3−21^2).
2. ^2 is also a factor, so now its 5^2(^2+4-21)
3. Factor by Grouping 5^2(^2−3+7−21)
4. Factor by Grouping 5^2((−3)+7(−3))
5. Factor by Grouping 5^2(−3)(+7)
Thats your final answer.
Answer:
Brad average typing rate in words per minute is 21
1260 divided by 60 = 21
(In case you meant 30 minutes)
1260 divided by 30 = 42
Step-by-step explanation:
In a typing class, the average number N of words per minute typed after t weeks of lessons is
N=157/(1+5.4e^-0.12t)
N=157/(1+5.4e
−
0.12t)
. Find the time necessary to type 75 words per minute
Answer:
What is the question I want to help you or is yesterday a phrase?