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Readme [11.4K]
3 years ago
9

I need help please???

Mathematics
1 answer:
goblinko [34]3 years ago
4 0

option 4 .x<11 is the correct answer

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Use the information given to answer the question.
lubasha [3.4K]

Answer:

Area is (x² - 9) units squared.

Step-by-step explanation:

• from difference of squares quadratic property:

{ \boxed{ \rm{(a - b)(a + b) = ( {a}^{2} -  {b}^{2})  }}}

→ a is x

→ b is 3

• Therefore:

{ \tt{area =  {x}^{2} -  {3}^{2}  }} \\  \\ { \tt{area =  {x}^{2} - 9 }}

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3 years ago
A family is preparing backpacks filled with school supplies to donate to children in need. They have 14 pencils and 8 notebooks.
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Answer:

2

Step-by-step explanation:

2 is the only common factor between 8 and 14

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The correct answer to this question is 0.1456. This is <span>the probability that X bar will be greater than Y bar. </span>Probability is the measure of how likely an event is. The formula is the ratio of the number of favorable outcomes to the total number of possible outcomes. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help. 
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4 years ago
Ysidra paints a room that has 400 square feet of wall space in 2 and a half hours. at this rate, how long will it take her to pa
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How does one calculate the radius of a cone when given the total surface area ​
sergeinik [125]

Answer:

The surface area formula for a cone, given its diameter (or radius) and height, is π x (diameter / 2) 2 + π x (diameter / 2) x √ (diameter / 2) 2 + (height 2), where (diameter / 2) is the radius of the base (d = 2 x r), so another way to write it is π x radius 2 + π x radius x √ (radius 2 + (height 2)

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3 years ago
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