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Alecsey [184]
2 years ago
8

Help me please and thank you

Mathematics
2 answers:
Arisa [49]2 years ago
8 0
The correct answer to this question is 7.75
topjm [15]2 years ago
5 0

Answer:

Range = 7

Mean = 7.75

Assumption: Most students will have 7 or 10 letters in their last name

Step-by-step explanation:

Range = Largest - Smallest

           = 10 - 3

           = 7

Mean = Add the total numbers up to get a total / numbers in the series

          = (3+5+2(6)+2(9)+5(7)+4(8)+5(10)) / (1+1+2+5+4+2+5)

          = 7.75

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Which represents the domain of the relation {(–1, 4), (2, –3), (0, –2), (1, –3)}?
Fantom [35]
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7 0
3 years ago
Can someone help me Asap​
Lelechka [254]
B. Y=4x-14

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3 years ago
Triangle DEF has vertices located at D (2, 1), E (3,5), and F (6,2).
Nataly_w [17]

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3cm 4cm and 5 cm

Step-by-step explanation:

we can find the accurate answer by plotting in a graph.thank you

3 0
3 years ago
Help me find the answer show me the steps too​
Lelechka [254]
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3 0
3 years ago
Read 2 more answers
The pyramid shown has a square base that is 12 centimeters on each side. The slant height is 18 centimeters. What is the surface
Sav [38]
<span>The <u>correct answer</u> is:

576 sq. cm.

Explanation:

The surface area of a figure is the sum of the areas of the faces of the figure.

The slant height goes from the apex of the pyramid along a face and is perpendicular to the base at the bottom of that face. This gives us 2 measurements of each triangular face of the pyramid: the height (the slant height of the pyramid is the height of the triangular face), 18 cm, and the base <span>of the triangular face, 12 cm.

The formula for the area of a triangle is A = 1/2bh; using our measurements we have:
A = 1/2(12)(18) = 108 sq. cm.

There are 4 triangular faces on a square pyramid, and each will have an area of 108 sq. cm.; this gives us:
4(108) = 432 sq. cm.

The area of the base is given by length times width, or 12*12 = 144 sq. cm.

This gives us a total surface area of 432+144=576 sq. cm.</span></span>
8 0
3 years ago
Read 2 more answers
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