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lbshel08
09.11.2019 •
Mathematics
Subtract. write the difference in simplest form. (5n - 3) - (-2n + 7) 7n - 10 3n + 4 3n - 10 7n + 4
which of the following expressions is equivalent to 18m - 12?
-3(-6m - 4)
2(-9m + 6)
-1(18m + 12)
6(3m - 2)
which of the following expressions is in its simplest form?
8m + 4n - 5mn + 7
15bd + 5 - 2b + 3d + 23
xy + 6xy2 - 7 + 12xy
35 - a2 - ab2 + ab - 2ab2
four friends are going to split the cost of a pizza. if p stands for the cost of the pizza, which of the following expressions could represent what each friend will pay?
4p
p - 4
p
p/4
tommy and his family drove home from his grandparent's house in three and a half hours. if they drove at an average rate of 48 miles per hour, which of the following formulas could be used to find how far away tommy lives from his grandparents?
d = rt
t = d/r
r = d/t
tommy and his family drove home from his grandparent's house in three and a half hours. if they drove at an average rate of 48 miles per hour, about how far away does tommy live from his grandparents?
144 miles
192 miles
168 miles
180 miles
Solved
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Ответ:
Step-by-step explanation:
Step one:
given data
the dimension of the gym is
length = 40ft
width= 25ft
Area= 40*25
Area= 1000ft^2
Step two:
if 1ft^2 will cost $11
then 1000ft^2 will cost x
cross multiply
x=1000*11
x=$11,000
The cost for the floor is $11,000