One morning, John drove 5 hours before stopping to eat. After lunch, he increased his speed by 10 mph. If he completed a 490-mile trip in 9 hours of driving time, how fast did he drive in the morning?
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Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
50
Mathematics
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Simplify.-4(4y2 + 2y - 2) - 7(4y2 - 7y + 5)
A. 44y2 + 41y + 27 B. -44y2 + 41y - 27 C. -44y2 - 41y - 27 D. -44y2 + 41y + 27
Mathematics
Divide, and round the quotient as indicated.Divide 541.15 by 0.058 and round the quotient to the nearest hundred.
A. 9330 B. 9300 C. 9200 D. 9400
Mathematics
Determine the area of the triangle. If necessary, round the answer to two decimal places.a = 12, b = 15, C = 52°
A. 35.46 B. 141.84 C. 88.80 D. 70.92
Mathematics
Find the equation for the line described.the vertical line passing through the point (-3, 1)
Fill in the blank(s) with the appropriate word(s).
Mathematics