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Andreyy89
3 years ago
9

In the figure below, ZYZA and ZYZX are right angles, _XYZ and ZAYZ are

Mathematics
1 answer:
Cloud [144]3 years ago
8 0

D so the [ithagorism leartyn me that penalty for portugual

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At the Oral Language Fair, Tom’s speech took 9 1/2 minutes. Andrea’s speech was 7/8 as long as Tom’s. How long was Andrea’s spee
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7/8 * 9 1/2 =. 8.31 minutes
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3 years ago
Sum of the arithmetic sequence-Find each sum- 2 + 5 + 8 + ... +41
Vesna [10]

2 + 5 + 8 + ... + 41​ = 301

Answer:

301

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1 year ago
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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.
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3 years ago
The total cost of filling your car with gas varies directly with the number of gallons of gasoline you are purchasing. If a gall
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Answer:

8.4

Step-by-step explanation:

8 0
3 years ago
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The width of a rectangle is 4n-8.5 feet and the length is 8.5n+9 feet. Find the perimeter of the rectangle
Eva8 [605]

Answer: P = 25n + 35

Step-by-step explanation:

The perimeter of a rectangle is twice the sum of length and width.

P = 2(l +w)

P = 2((8.5n+9) + (4n +8.5))

P = 2(12.5n +17.5)

P = 25n + 35

7 0
2 years ago
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