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nadya68 [22]
3 years ago
6

1

Mathematics
1 answer:
uranmaximum [27]3 years ago
8 0

Answer:

1. 1

2. 1

3. -1/125

4. 1/125

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If d = the number of dogs, which variable expression represents the phrase below? the sum of the number of dogs and the 6 cats.
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Answer:

D.

Step-by-step explanation:

" Sum" means "+".

The sum of the number of dogs and the 6 cats.

d + 6

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Richard walks every day for exercise at a rate of 1 kilometer every 12 minutes
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HELP!!!! I’LL GIVE THE BRIANLIEST TO WHOEVER GETS IT RIGHT!!!!
Leto [7]

Answer:

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Step-by-step explanation:

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3 years ago
ASAP PLEASE HELP ME!!!!!!!!!!!!!!
mariarad [96]

Answer:

Average: 3250

Step-by-step explanation:

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The tuft bind strength of a synthetic material used to make carpets is known to have a mean of 100 lb and standard deviation of
emmasim [6.3K]

Answer:

The null hypothesis is: H_{0}: \mu = 100

The alternative hypothesis is: H_{a}: \mu > 100

Step-by-step explanation:

At the null hypothesis, we test if the mean is equal to a certain value.

At the alternate hypothesis, we test if the mean is less than, more than, or different from the value tested at the null hypothesis.

The tuft bind strength of a synthetic material used to make carpets is known to have a mean of 100 lb and standard deviation of 20 lb.

This means that the null hypothesis is: H_{0}: \mu = 100

Could it be that the average tuft strength is above 100 lb?

The world above means that the appropriate alternative hypothesis is: H_{a}: \mu > 100

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3 years ago
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