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Class A has 20 pupils and class B has 22 pupils. Both classes sit the same maths test. The mean score for class A is 40. The mean score for both classes is 47. What is the mean score (rounded to 2 DP)
answered
Mar 22, 2022
Mathematics
high-school
5
votes
210k
views
Use the net to find the surface area of the rectangular prism
answered
Feb 23, 2022
Mathematics
high-school
5
votes
179k
views
Find the volume of the figure to the nearest tenth Use 3.14 for pi
answered
Nov 10, 2021
Mathematics
middle-school
4
votes
116k
views
Read the selection and the question and choose the option that best answers the question ¡Hola! Mi nombre es Marina y vivo en Colombia Tengo 15 años y estoy en la escuela superior. En Colombia, la escuela
answered
Nov 6, 2021
Spanish
middle-school
5
votes
200k
views
What is 17 divided by 7
answered
Oct 6, 2021
Mathematics
middle-school
1
vote
162k
views
Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins the spinner 180 times. Kevin determines about how many times the spinner will
answered
Oct 3, 2021
Mathematics
middle-school
2
votes
155k
views
My sister needs help please
answered
Jun 4, 2021
Mathematics
high-school
4
votes
69.0k
views
1482 + 936 + 518 + 8064
answered
May 23, 2021
Mathematics
high-school
3
votes
31.7k
views
Solve for x -4x + 10 = -30
answered
Mar 24, 2021
Mathematics
high-school
6
votes
40.8k
views
Which means the same as necessity. A. Need B. Choice C. Not important
answered
Jan 16, 2021
Social Studies
middle-school
7
votes
87.2k
views
Need help with #5. Find angle and solve for x
answered
Nov 9, 2020
Mathematics
middle-school
5
votes
174k
views
What is a living will?
answered
Sep 22, 2020
Business
middle-school
5
votes
96.4k
views
Briefly describe machiavelii’s philosophical views on religion and the monarchy
answered
Sep 21, 2020
English
middle-school
4
votes
62.0k
views
MC)Which situation would work best with a first-person narrator? When the writer has a cast of many characters to develop When the writer has only a short time to focus on character When the writer is
answered
Jul 13, 2020
English
middle-school
7
votes
198k
views
for younger drivers which of the following is not considered a risk factor answer option inexperience, teen passengers, distractions, too many adults in the car
answered
Jun 14, 2020
Law
middle-school
4
votes
144k
views
what is a possible consequence of climate change to species that have a narrow temperature tolerance range (not bio it's environmental)
answered
Sep 27, 2019
Biology
middle-school
4
votes
1.7k
views
Whats a real world problem for 30x =48+22x
answered
May 20, 2019
Mathematics
college
3
votes
75.9k
views
There is a gradual decline in female fertility as women age. as an example, for women ___________, a single act of intercourse is only half as likely to produce a pregnancy as it would for a woman 19 to
answered
Apr 7, 2019
Biology
high-school
3
votes
109k
views
A food web illustrates a snake eating a rat. What is the role of the snake in the food web? would the answer be Decomposer, Secondary consumer, Primary consumer, or a Producer ? PLZ HELP ASAP
answered
Mar 19, 2019
Social Studies
middle-school
2
votes
64.2k
views
How far will a car go traveling at 25 m/s in 35 seconds?
answered
Feb 8, 2019
Physics
high-school
2
votes
197k
views
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