3 years ago

Translate the inequality and solve. Negative three times a number is less than six.

Mathematics

2 answers:

luda_lava [24]3 years ago

7 0

Answer:

x<-18

Step-by-step explanation:

mart [117]3 years ago

4 0

Answer:

x>-2

Step-by-step explanation:

The translated inequality to be solved is -3x<6

You divide -3 by both sides which switches the sign because it is negative, there fore the answer is x>-2.

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Step-by-step explanation:

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3 years ago

Speeding: On a stretch of Interstate-89, car speed is a normally distributed variable with a mean of 69.1 mph and a standard dev

Alborosie

Answer: 11.9%

Step-by-step explanation:

Given : On a stretch of Interstate-89, car speed is a normally distributed variable with $\mu=69.1$ mph and $\sigma=3.3$ mph.

Let x be a random variable that represents the car speed.

Since , $z=\dfrac{x-\mu}{\sigma}$

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[using z-value table.]

Hence, the approximate percentage of cars are traveling faster than you = 11.9%

8 0

3 years ago