3 years ago

There are 24 animals in the barn. Some

Mathematics

1 answer:

Gnesinka [82]3 years ago

3 0

Answer:

Hoc potest interpretari latine

Step-by-step explanation:

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(3.)FACTOR: 55d + 10?

Alexandra [31]

55d+10
55/11=5.
10/5=2
5(11)+2

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3 years ago

It took a car 5 days to travel 1459 miles. What was this car’s average speed, in miles per hour?(round to the nearest mile per h

dangina [55]

Answer:

12.158333333 miles per hour or 12

Step-by-step explanation:

24 × 5 = 120 hrs

1459÷120=12.15833333

or 12 miles per hour

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3 years ago

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Divide the sum of 8 and 12 by 4

Nonamiya [84]

Answer:

12+4/8

Step-by-step explanation:

sum means add and you need to divide 8 by whatever 12 and 4 equal

12+4= 16

16/8=2

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3 years ago

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An item costs $300 before tax, and the sales tax is $9.90 . Find the sales tax rate. Write your answer as a percentage.

Step2247 [10]

Answer:

3.33%

Step-by-step explanation:

9.90/300=0.033

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2 years ago

Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her universi

romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

$H_0:\mu=20$

Alternate hypothesis :

$H_1:\mu$

Population mean = 20 hours

Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

$z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066$

So, the p value would be 0.154.

Hence, the p-value is 0.154.

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3 years ago