5. Find the values of k that make 2x2 + kx + 11 factorable.
2 answers:
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Answer:
1) $283.50
2) 65.21 meters.
Step-by-step explanation:
Part 1)
We know that a spool of ribbon holds 6.75 meters.
A craft club buys 21 spools.
So, the total length of ribbon bought is:
Each meter costs $2. So, the total cost will be:
Part 2)
A spool holds 6.75 meters.
We bought 21 of them, so that total length we have is 141.75 meters.
The club used 76.54 meters.
So, the amount of ribbon that is left is represented by:
Subtract:
So, 65.21 meters of ribbon will be left.
Answer:
Second Attempt is faster.
Step-by-step explanation:
He reads 360 words in hour in the first attempt and in the second attempt he reads the same number of words in
hour.
Since, he takes less time in the second time. Less time means the work is done faster.
Therefore, second attempt is faster.