![subject](/tpl/images/cats/mat.png)
Mathematics, 05.03.2021 03:40 arunamvr
Class A has 21 pupils and class B has 16 pupils. Both classes sit the same maths test. The mean score for class A is 47. The mean score for both classes is 49. What is the mean score (rounded to 2 DP) in the maths test for class B?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:20
Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.
Answers: 1
You know the right answer?
Class A has 21 pupils and class B has 16 pupils. Both classes sit the same maths test. The mean scor...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 21:30
![question](/tpl/images/cats/en.png)
English, 01.08.2019 21:30
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 21:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 21:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 01.08.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 21:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 01.08.2019 21:30
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 21:30
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.08.2019 21:30
![question](/tpl/images/cats/istoriya.png)
History, 01.08.2019 21:30
![question](/tpl/images/cats/geografiya.png)
Geography, 01.08.2019 21:30