600=50 + 8t
600-50=8t
550=8t
t=68.75
idkk if i did tht right but i thinkkk!?
Answer:
It is a rational.
Step-by-step explanation:
Rational is any number that can be written in a form of <em>f</em><em>r</em><em>a</em><em>c</em><em>t</em><em>i</em><em>o</em><em>n</em>.
Her total should be 84. You have your 30 dollars that will not change which you need to add to the amount of every visit. To find the amount for each time she went you have to do 3*18 because she went 18 times for 3 dollars each. Your answer to 3*18 should be 54. You now have to add those 54 to the 30 per month. 30+54. That should be 84
Answer:
first one yes
Step-by-step explanation:
second one its
39x+10=180
If all 25 questions are different,
When order of selection counts:
P(25,7)
=25!/(25-7)!
=15511210043330985984000000/6402373705728000
=2422728000
When order of selection does not count count:
C(25,7)
=25!/(7!*(25-7)!)
=15511210043330985984000000/(6402373705728000*5040)
=480700
