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ANTONII [103]
3 years ago
12

Please someone I need the right answer will give brainiest if right​

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

C. Because (-3)^2 is NOT equal to -9

Step-by-step explanation:

zvonat [6]3 years ago
8 0

Answer:

C

Step-by-step explanation:

√-9 is   3i.

Since there is a negative in the root, you can't have a regular number as the answer.

It askes why -3 is not the answer. Because -3 squared is 9, not -9.  

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A home is to be built on a 56 foot 9 inch wide lot. The house is 5 feet 5 inches from the side of the lot and is 34 feet 10 inch
daser333 [38]
<span>Total lot - house -other side
=(56 ft 9 in) - (34 ft 10 in) - (5 ft 5 in)
=(55 ft 21 in) - (34 ft 10 in) - (5 ft 5 in)
=16 ft 6 in
Convert to inches: </span>16 ft x 12 in/ft)+ 6 in= Total in inches<span>192 in + 6 in= Total in inches
198 in= Total in inches 
Check: One side + house + other side = Lot width
(5 ft 5 in)+(34 ft 10 in)+(16 ft 6 in)=Lot width
56 ft 9 in=Lot width, which equals the given.</span>
8 0
3 years ago
Jing participates in a trivia contest. He completes each question in 1/2 minute.
jolli1 [7]

Answer:

300 seconds

Step-by-step explanation:

First, you have to know how much half a minute is. Half a minute is 30 seconds.

Second, you multiply 30 by 10 because he answered 10 questions.

30 * 10 = 300

So your answer is  300 seconds

Lastly, have a great day! :)

7 0
3 years ago
Helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
miv72 [106K]

Answer:

$7.56

Step-by-step explanation:

They sell it in $2.25 per kg

Hamburger: cost

      1 kg      :  2.25

      3.4       :   7.56

1 x 3.4= 3.4

so, 2.25 x 3.4= 7.56

6 0
3 years ago
Am I right or wrong can you let me know so i can know if im doing it the right way
GarryVolchara [31]

Answer:

you are right

Step-by-step explanation:

great job

5 0
3 years ago
What is the slope of the line through (1,0) and (3,8)
Arturiano [62]

Slope = (y2 - y1)/(x2 - x1)

Slope = (8 - 0)/(3 - 1)

Slope = 8/2

Slope = 4


Answer

4

6 0
3 years ago
Read 2 more answers
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