Answer:
7 miles per hour.
Step-by-step explanation:
Right now, the relationship in the problem represents 3
miles in hours. To find out what the unit rate is (number of miles per mile), we need to multiply both sides of the equation show BeLoW:
3 =
7 miles = 1 hour
Therefore, Doug's average speed in miles per hour is 7 (7 miles per hour).
:3))
Answer:
9
Step-by-step explanation:
7r+18=r²
r²-7r-18=0
factorizing
r²+2r-9r-18=0
r(r+2)-9(r+2=0
(r-9)(r+2)=0
r-9=0
r=9
check
(r²)=(9*9)=81
7r+18=7(9) + 8=81
Answer: Aquarius ♒️ UwU
Step-by-step explanation:My Birthday is 2/11/09
Answer:
12
Step-by-step explanation:
add 3x both sides
8x +3 = 99
subtract 3 on both sides
8x = 96
divide by 8
x = 96/8 = 12
X=91 and x=8 is the answer
