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anzhelika [568]
3 years ago
9

Solve for x. a) 10 b) 12 c) 13 d) 11

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer:

A : 10

Step-by-step explanation:

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Bai is conducting a study on learning. When she manipulates an independent variable, it is possible that some other factor, such
nlexa [21]

Answer:

The answer is : b) a confound

Step-by-step explanation:

While manipulating, is possible that some factors like noise in the hall, can affect learning in one of the groups but not in the other.

This possibility reflects the presence of a confound.

We can define a confounding variable as an external influencing factor which results in bringing changes in the effects of a dependent and independent variable.

This variable changes the outcome of an experiment and produces useless results.

3 0
3 years ago
Help me with this question.thank u
rusak2 [61]

Answer:

see below

Step-by-step explanation:

P( yellow) = number of yellow sections / total sections

                 = 4/20

                   1/5

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4 0
3 years ago
Read 2 more answers
17 1/3 + (-50 1/3) -5 1/2
vovangra [49]
<span>17 1/3 + (-50 1/3) -5 1/2 
= -33  - 5 1/2 
= (</span>-33 ) + ( - 5 1/2)
<span>= -38 1/2

</span>
8 0
3 years ago
Read 2 more answers
Please explain how to solve this step by step.
Phantasy [73]

Answer:

  (a^8)/(b^9)

Step-by-step explanation:

Two rules of exponents come into play.

  (a^b)/(a^c) = a^(b-c)

  a^-b = 1/a^b

__

Applying the first rule, we have ...

  (a^3)/(a^-5) × (b^-2)/(b^7) = a^(3 -(-5)) × b^(-2 -7) = a^8 × b^-9

Applying the second rule gives the simplified form ...

  = (a^8)/(b^9)

5 0
2 years ago
5+1/√7 - √3 + 1/√7 - √3​
dimulka [17.4K]
2.291827331. That is what I got.
3 0
3 years ago
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