Answer:
See below
Step-by-step explanation:
3 (x^2 + 3x) = 4
3 ( x + 3/2)^2 = 4 + 27/4
1760
13+25+10/150=.32
.32x5500=1760
Answer:
1 hr, 48 minutes
Step-by-step explanation:
you can create a proportion:
doughnuts/hours = doughnut/hours (h)
1500/9 = 300/h
cross-multiply to get:
1500h = 2700
h = 27/15
h = 1 12/15, which is 1 hr, 48 minutes because 12/15 = 48/60
represents the amount of fabric Susanna needed.
Step-by-step explanation:
Given,
Remaining fabric = 
Fabric Susanna needs = 
Fabric Susanna needs = 
Fabric Susanna needs = 
represents the amount of fabric Susanna needed.
Keywords: fraction, multiplication
Learn more about fractions at:
#LearnwithBrainly
The main floor has 26 rows of 29 seats each, that is 26*29 = 754 seats
And in the balcony there is 8 rolls of 23 seats, that is 8*23 = 184 seats
So the difference is 754 - 184 = 570
Then the main floor has 570 seat more than the balcony