9514 1404 393
Answer:
(x -7)(7x +4)
Step-by-step explanation:
The term -45x can be rewritten using factors of (7)(-28) that have a total of -45. Those factors would be ...
(7)(-28) = (4)(-49)
7x^2 +4x -49x -28 = x(7x +4) -7(7x +4) = (x -7)(7x +4)
Answer → C) 121°
» Let the wanted angle be x
5,470 mg
108 minutes is 4 half-lives:
<u> Time</u> <u> Lead</u>
<u> Min.</u> <u>mg Pb</u>
0 87520
27 43760
54 21880
81 10940
108 5470
68
Step-by-step explanation: 68
a) lighter
b) 0.0112 pounds
Q 1 $7200
Interest = $16000 * 9/100 * 5 = $7200
