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Sladkaya [172]
3 years ago
8

3. Jessica is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How lon

g are the two line segments together? (answer in cm). Remember to show your work to receive full credit.
Mathematics
1 answer:
serious [3.7K]3 years ago
5 0

There are 10 millimeters in one centimeter (centi means 10). 500 millimeters to centimeters (divide by ten) would be 50 centimeters. 50 centimeters added to 30 centimeters is 80 centimeters total.

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To gather information on customer satisfaction, a researcher goes into each store and interviews six randomly selected customers
Slav-nsk [51]

Answer:

Convenience sampling.

Step-by-step explanation:

To gather information on customer satisfaction, a researcher goes into each store and interviews six randomly selected customers at each store. This sampling technique is called convenience sampling.

Convenience sampling can be defined as a sampling method which involves the researcher selecting or collecting data that is easily available or choosing the individuals who are easiest to reach in a population. It is a type of non-probability method of sampling where the first or easiest available data source is being used by the researcher without other requirements.

In this scenario, to gather information on customer satisfaction, the researcher went to the store most likely situated in a shopping mall to collect data from six (6) customers in each stores.

<em>Some of the advantages of convenience sampling are low cost, data are collected quickly, lesser rules etc. </em>

3 0
3 years ago
Graph the numbers that are solutions to both inequalities.
nadya68 [22]

Answer:

p ∈ [5 , 6)

Step-by-step explanation:

p + 6 ≥ 11

⇒ p ≥ 11 - 6

⇒ p ≥ 5

⇒ p ∈ [5 , +∞)

3p < 18

⇒ p < 18/3

⇒ p < 6

⇒ p ∈ (-∞ , 6)

Then

p the solution to both equations verify:

p ∈ (-∞ , 6) ∩ [5 , +∞)

Conclusion :

p ∈ [5 , 6)

3 0
1 year ago
The ratio of the same side interior angles of two parallel lines is 33:3. Find the measures of all eight angles formed by the pa
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Answer:

  all 4 acute angles: 15 degrees

  all 4 obtuse angles: 165 degrees

Step-by-step explanation:

The sum of same-side interior angles between parallel lines is 180°. The smallest of them will be 3/(33+3) = 1/12 of 180°, or 15°. The largest will be 180° -15° = (33/3)(15°) = 165°. All remaining angles are congruent to one or the other of these.

  All four acute angles are 15°; all four obtuse angles are 165°.

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9. Each year the local country club sponsors a tennis tournament. Play starts with 128
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3rd

Step-by-step explanation:

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