![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
What are the solutions of the following system? y=-2x^2 y=x-2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30
Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:20
Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475
Answers: 1
You know the right answer?
Please guys help me please
...
...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 09:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2020 09:12
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 09:12
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 09:12
![question](/tpl/images/cats/en.png)
English, 30.03.2020 09:12
![question](/tpl/images/cats/fizika.png)
Physics, 30.03.2020 09:12
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 09:13
![question](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 09:14
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2020 09:15
![question](/tpl/images/cats/istoriya.png)
History, 30.03.2020 09:16