Answer:
A) m < 7
Step-by-step explanation:
4m – 3(m + 1) – 4 < 0
Distribute the 3
4m -3m -3-4<0
m-7 <0
Add 7 to each side
m-7+7 <0+7
m<7
Answer:
ok so it's telling you that for 10 folder it cost 1.50 cents each and for 20 it's 3.50 and 30 5$ and 40 6$ and it's basically telling you that what ever your reading you have to think how much did that person spend or bought and how much do u think each folder it's so u have to figure out how many does each cost of cents for each folder.
It is 54. Draw it out. You will see that DCB - RCB = DCR
Answer: 5040 7-digit numbers
Step-by-step explanation:
Permutations:
1: 1 ==> 1 permutation ==> 1 ==> 1!
12: 12, 21 ==> 2 permutations ==> 1*2 ==> 2!
123: 123, 132, 213, 231, 312, 321 ==> 6 permutations ==> 1*2*3 ==> 3!
7-digits: 7!=
1*2*3*4*5*6*7=5040 7-digit numbers
What hell there is nothings ??
