P+A=420
P=6A
6A+A=420
7A=420
A=60
P=6(60)
P=360
CHECK:
P+A=420
360+60=420
420=420
Cookies baked = 12 × 3 (number of trays) = 36
Bags = 4
In 4 bags = 36 cookies
in 1 bag = 36/4 = 9 cookies (divide both sides by 4)
SO 9 COOKIES WERE PLACED IN EACH BAG
hope this helped :)
Answer:
-¾
Step-by-step explanation:
Slope=m
(-1,9) (3,6)
m= Y2-Y1 / X2-X1
m=6-9/3-(-1)
m=-3/3+1
m=-3/4
Answer:
3900
Step-by-step explanation:
We want the sum from 5 to 195
5, 10, 15, 20,......195
an = 5 + 5(n-1) since we can write this as an arithmetic sequence, adding 5 each time
The sum of the terms of an arithmetic sequence is given by
Sn = n/2 [2a1 + (n - 1)d],
where d is the common difference of 5 and n is the term we want to add to
195/5 = 39 so it is the 39th term
s39 =39/2 [2*5 + (39-1)*5)]
s38 = 19.5[10+38*5]
=19.5*[10+190]
19.5*200
=3900
B- 18 units to the left of zero