A salt March Harvest house mouse ran a 360 centimeter straight course race in 9 seconds.How fast did it run

Mathematics

1 answer:

baherus [9]3 years ago

5 0

Answer:

r=d/t

r=360 cm / 9 sec= 40 cm per second

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Step-by-step explanation:

This question utilizes combining like terms and common denominators. First you have to convert both terms including "a" to have a denominator of 8. You would do this by multiplying both the numerator, and the denominator by the same value. This value in the case of $-\frac{1}{4} a$ would be 2, and in the case of $\frac{2}{3}$ the value would be 2. This would result in the equation: $-\frac{5}{8}a+\frac{4}{6}-\frac{2}{8}a-\frac{5}{6}$ . Then simply combine like terms to get your final answer.