4 = -7s - 10 how do you get -2? please show your work

1 answer:

4 0

First u add ten to both sides to cancel out. Now you have 14=-7s. Since you are trying to do the opposite operation, you divide by -7 on each Sides. Now you have -2=s. Hope this helped

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sesenic [268]

Answer:

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A group of adult males has foot lengths with a mean of 26.88 cm and a standard deviation of 1.13 cm. Use the range rule of thumb

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Answer:

The adult male foot length of 24.3 cm is significantly low.

Step-by-step explanation:

We have been given that a group of adult males has foot lengths with a mean of 26.88 cm and a standard deviation of 1.13 cm. We are asked to find the range rule of thumb to determine whether he adult male foot length of 24.3 cm significantly low or significantly high.

The range rule of thumb states that usual values in a normal standard deviation lies within 2 standard deviation from mean that is $\mu-2\sigma$ , where $\mu=\text{ Mean and }\sigma=\text{Standard deviation}$ .