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kogti [31]
2 years ago
5

Morgan is trying to complete the square. What number should she put in the blank?

Mathematics
1 answer:
marysya [2.9K]2 years ago
3 0

Answer:

C. 81

Step-by-step explanation:

x^2-18x+81

(x-9)(x-9)

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Is this relationship a function? (1,2) (2,9) (3,-2) (4,8)?
olganol [36]

Answer:

yes, it's a function

Step-by-step explanation:

A function relates one input to one output, and it's "only" one output.

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3 years ago
The net of a triangular prism is show below.Find the rotal surface area of the triangular prism 4.6,4,5,15
marysya [2.9K]

Answer:

228.4cm²

Step-by-step explanation:

Find the diagram attached

Total surface area of the prism = Ph + 2B

P is the perimeter of the base (triangle)

h is the height of the prism

B is Base area

P = 5cm + 5cm + 4cm

P = 14cm

h = 15cm

B = 1/2 * base * height

B  = 1/2 * 4.6 * 4

B = 4.6 * 2

B = 9.2cm²

Substitute the values into the formula;

Total surface area of the prism = Ph + 2B

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Total surface area of the prism = 228.4cm²

Hence the total surface area of the triangular prism is 228.4cm²

7 0
3 years ago
The amount of blueberries picked, in pounds, varies directly as the number of hours worked. After
OverLord2011 [107]

Answer:

3

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4 0
3 years ago
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Need help with question number 2
USPshnik [31]

Answer:

BC=20

AE= 18

<ABC= 114 degrees, <DAB=66 degrees

Step-by-step explanation:

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