Johnny was able to drive an average of 23 miles per hour faster in his car after the traffic cleared. He drove 30 miles in traff
ic before it cleared and then drove another 190 miles. If the total trip took 7 hours, then what was his average speed in traffic?
1 answer:
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<span>5d^2 + 4d - 3 - (3d^2 - 2d + 4)
=</span>5d^2 + 4d - 3 - 3d^2 + 2d - 4
= 2d^2 + 6d - 7
Answer:
Step-by-step explanation:
The coefficient of y∧15×∧2 in expansion of (y∧3+x)∧7 is (15×2)+(3×7)= 51
Answer:
No, you could write the formula different but not change it
Step-by-step explanation:
