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Lynna [10]
2 years ago
5

I will give a 100 points to whoever solves all the problems on my profile​

Mathematics
1 answer:
faltersainse [42]2 years ago
3 0
Okay let’s go. Maybe I can do this
You might be interested in
Weinstein, McDermott, and Roediger (2010) con- ducted an experiment to evaluate the effectiveness of different study strategies.
anastassius [24]

Answer:

a) The number of correct answers

b) Discrete

c) Ratio        

Step-by-step explanation:

We are given the following in the question:

Experiment:

Evaluate the effectiveness of different study strategies. All students were then given a test on the passage material and the researchers recorded the number of correct answers.

a) The dependent Variable

The number of correct answers given is the dependent variable because it depends on the number of times the passage is read.

b) Nature of dependent variable.

  • It is a discrete variable.
  • Since, the number of questions will always be expressed in whole numbers and cannot be expressed as decimals.
  • They are always counted and not measured.

c) Scale of measurement

  • Ratio is used to measure the dependent variable because true zero for the number of correct questions answered exist.
  • If the measure is zero that means truly no questions were answered correctly.
5 0
3 years ago
mrs emily want to go shopping but only has $100 to spend. she wants to buy a pair of jeans for $35 and a few dress shirts for $1
stealth61 [152]

Answer:

35x+15y is less than or equal to 100.

Step-by-step explanation:

35 per Jean + 15 per shirt is less than or equal to 100

6 0
2 years ago
One hundred adults were asked to name their favorite sport and the results are shown in the circle graph. What sport was preferr
artcher [175]

Answer:

Basketball

38% of adults preferred this sport.

Since 38 out of a 100 is 38 percent.


7 0
2 years ago
The sum of 2a and 3b
slava [35]
The sum of 2a and 3b:

2a + 3b
7 0
3 years ago
Factorise completely
Andreyy89
1. Number that adds up to -12 and multiplied by the same # that gives u -13. Set it up like this because both are negative so, u need 1 negative and 1 positive.
(x-13)(x+1)

2. Same rule applies. GCF
8y(4y+1)

3. (x+3)(x-3)
4 0
2 years ago
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