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olga2289 [7]
3 years ago
15

- A teacher wanted to determine the effectiveness of two different learning tools—a computer program or a hands-on approach—for

a particular concept she was preparing to teach. She will assign her students to one of the two methods to spend the whole class time to learn this concept. Which of the following variables would be moderated due to random assignment? a- the teacher b- time spent in class c- computer experience d- the different learning tools
Mathematics
1 answer:
Jlenok [28]3 years ago
6 0

Answer:

The answer is Computer Experience.

Step-by-step explanation:

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8 0
3 years ago
Can someone please help with the attached problem?
wolverine [178]
The answer is 3/7
and r is = yo 46/105
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When does the expression below equal
SIZIF [17.4K]
Answer: n(7)+3=10
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4 0
2 years ago
What is the product of 379 and 8
Tanya [424]
The product of 379 and 8 is 3032, that other answer was wrong they answered with the sum (addition) not the product (multiplication)
7 0
3 years ago
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If you multiply the four-digit number abcd by 4, the order of digits will be reversed. That is, abcd x 4=dcba. The digits a, b,
Arisa [49]
The given is that A B C D <span>x 4 = D C B A
</span><span>
Possible values of A are 1 or 2. It can't be 1 since the </span><span> </span><span>final result A is in unit place and 1 is not possible when we multiply any number by 4
</span><span>
2 B C D x </span><span>4 = </span><span>D C B 2</span>
It is clear above, that D = 8
2 B C 8 x <span>4 = </span><span>8 C B 2</span>
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We try B=1

2 1 C 8 x <span>4 = </span><span>8 C 1 2

</span>To find for C, you can use the equation:

(2000+100+10C+8) x 4 = 8000+100C+10+240C = 432-12 = 420
Therefore,

C = 7
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5 0
3 years ago
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