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natulia [17]
3 years ago
12

A school system is testing a new math teaching strategy for geometry. Ten classes were randomly selected to pilot the new strate

gy, and 10 classes were randomly chosen to continue using the current strategy. At the end of the school year, more than 50% of the data overlapped. Consequently, the school system could not make a determination about which teaching strategy produced higher test scores. What can the school system do to make the decision more definitive?
Mathematics
1 answer:
svetlana [45]3 years ago
5 0
What are the answer choices ????

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Please answer question 7 and 8 above
Reil [10]
7. if you have a fraction with the same denominator, to add them together you add the numerators and the keep the denominator the same. to subtract, you subtract the numerator and keep the denominator the same.

8. the whole number times the denominator and add the answer to the numerator. to subtract you so the same just subtract rather than add
8 0
4 years ago
WILL GIVE BRAINLYEST!!!!!
kondor19780726 [428]

Answer:

+10 units

Step-by-step explanation:

8 0
3 years ago
What is the solution to this system 2x + y = 1 3x – y = –6 (–1, 3)
vova2212 [387]

Answer: 2x+y=1

3x-y=-6

==>5x=-5

==>x=-1 and y=1-2*(-1)=3

Sol={(-1,3)}

Answer A

3 0
3 years ago
I would like to know the process for dis ive been struggling on them. i tried to ask the teacher but they made it more confusing
Dafna11 [192]

Answer:

31.177 m

Step-by-step explanation:

So the formula of a hexagon is  Area = (3√3 s^2)/ 2

s = side in this problem.  A hexagon is made up of 6 equilateral triangles, so the distance from the center is equal to each of the sides.

For this problem, plug and chug.  Plug your knowns into equation and you will find the answer.

s^2 = (2√3)^2 = 12

Area = (3√3 x 12)/2 = 31.1769 m

I am not sure how many decimals you are supposed to round, probably 3 so in that case 31.177 m

8 0
4 years ago
4-(3-5)=<br> I need help
liraira [26]

Answer:

6

Step-by-step explanation:

I'm 99% sure you know the answer to this and didn't have to resort to this website.

3-5 = -2

Subtracting negative numbers means it becomes positive.

So the gist is that your adding 4 and 2 which is 6.

6 0
4 years ago
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