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zavuch27 [327]
2 years ago
8

A school psychologist wants to test the effectiveness of a new method of teaching . She recruits ​-grade students and randomly d

ivides them into two groups. Group 1 is taught by means of the new​ method, while group 2 is taught by traditional methods. The same teacher is assigned to teach both groups. At the end of the​ year, an achievement test​ (graded on a scale from​ 1-10) is administered and the results of the two groups are compared. Complete parts​ (a) through​ (i) below.
Mathematics
2 answers:
kogti [31]2 years ago
7 0

Answer:

you didn't show us what were a and i

Step-by-step explanation:

but if your looking for a controlled experiment and manipulated variable then the controlled experiment is the two groups and then the manipulated variable is the way the students learn

pav-90 [236]2 years ago
5 0

Answer:

"is" (and any subsequent words) was ignored because we limit queries to 32 words.

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Please please help me
Anarel [89]

so you are going to use the Pythagorean theorem on the smaller triangle to find the connecting side's length

{5}^{2}  = {3}^{2} ( {b}^{2} ) \\ b = 4

now you can find the bigger triangle's hypotenuse

{6}^{2}  +  {4}^{2}  =  {c}^{2}  \\

c=4

8 0
3 years ago
4×(2.1+3.9)-7)+6×(6.2-4.2)=
Helen [10]
I am pretty sure it is 29 because i did the math and that is what it comes out to
8 0
3 years ago
Which figure has a greater area?<br>19 ft<br>16.4 ft<br>.<br>15 ft<br>16.1 ft​
Makovka662 [10]

Answer:

green triangle

Step-by-step explanation:

The green triangle has an area of

A = 1/2 bh

A = 1/2 (15) * 19

A =142.5 ft^2

The blue triangle has an area of

A = 1/2 bh

A = 1/2(16.1) (16.4)

A =132.02 ft^2

The green triangle has a greater area

7 0
4 years ago
Which two integers is -57 between?
eduard

Answer:

Step-by-step explanation:

the two numbers beside -57 are -56 and -58

4 0
3 years ago
Evaluate the expression 5x-3x for x = 2
Fantom [35]
-------------------------------------
Expression 
-------------------------------------
5x - 3x

-------------------------------------
Substitute x = 2
-------------------------------------
5 (2) - 3(2)
= 10 - 6
 = 4

-------------------------------------
Answer: 4
-------------------------------------
6 0
3 years ago
Read 2 more answers
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