You have already traveled 30 miles east and then 30 miles north. to get back to the start, you travel 30 miles west in 1 hour and then 30 miles south in a half hour. what are your average speed and average velocity for the whole rally? consider a boat heading due east at 15 miles/hour. the water's current is moving at 7.1 miles/hour at 45º south of east.

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3

dont trust me im no expert these losers made me fail a test bro this sucks

step-by-step explanation:

answer: i think one of the answer is $150 and $300?

step-by-step explanation:

x = 3 ± √(5+y)