3x/5.. because when the bracket opens then the -7 and +7 get cancelled..
Answer:
D. An example that shows a statement is not true.
Step-by-step explanation:
Answer:
6x +2x
Step-by-step explanation:
when the number= x, you can just form the equation as per usual. 6x = a number times 6; 2x = a number times 2.
x is used bc the number is an unknown value. only x can be used bc it is stated the same number. hsing different alphabets such as y or z indicates the unknown value ia different.
The relation between pressure and volume is given as
v = 18000/p
where
v = volume, in³
p = pressure, lb/in²
When the pressure is p = 900 lb/in², then the volume is
v = 18000/900 = 20 in³
Answer: 20 in³
62,497,264
or 6.2497264 x 10^7
sixty two million four hundred ninety seven thousand two hundred sixty four