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sweet [91]
3 years ago
12

What is the square root of -121​

Mathematics
2 answers:
Naddika [18.5K]3 years ago
6 0

Answer:

The answer is 11 i

Savatey [412]3 years ago
5 0

Answer: sqrt (-121) is 11i

Step-by-step explanation:

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Find the midpoint of CD. C= (7,-4) and D= (-8,-5)
ANTONII [103]

Answer:

( -\frac{1}{2},-\frac{9}{2})

Step-by-step explanation:

The equation of a midpoint is as follows:

(\frac{x_{1} +x_{2}}{2} ,\frac{y_{1} +y_{2}}{2})

The x-coordinate:

x1 = 7, x2 = -8

7+(-8) = -1

Divide by 2 to get the x-midpoint

-1/2

The y-coordinate

y1 = -4, y2 = -5

-4 + (-5) = -9

Divide by 2 to get the y-midpoint

-9/2

You get:

( -\frac{1}{2},-\frac{9}{2})

5 0
3 years ago
Read 2 more answers
A neighborhood was given a vacant lot in the shape of a rectangle on which to build a park. The base of the lot is 72.2 feet and
Darya [45]

Answer:

We are given a rectangular lot with dimensions 72.2 feet long and 50 feet wide.

1. To find the size of the park, we need to find the AREA of the rectangular lot.

Area of a rectangle = Length × Width

i.e. Area of a lot = 72.2 × 50

i.e. Area of a lot = 3610 feet²

Thus, the size of the park is 3610 feet².

2. To find the amount of fencing needed, we need to find the PERIMETER of the rectangular lot.

Perimeter of rectangle = 2 × ( Length + Width )

i.e. Perimeter of the lot  = 2 × ( 72.2 + 50 )

i.e. Perimeter of the lot  = 2 × 122.2

i.e. Perimeter of the lot  = 244.4 feet.

Thus, the amount of fencing needed for the park of the park is 244.4 feet.

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to 24 + 30 A) 6(4+5) B 6(4+6) C 8(3+4) D 8(3+12)
lorasvet [3.4K]
A=54. And 24+30=54. So the answer is A
3 0
3 years ago
Need help asap please!!!
Alona [7]

Answer:

-6,-4

Step-by-step explanation:

The coordinates of the point is -2,2 so you subtract 4 and 6. That is -6.-4

Hope this helps plz mark brainliest :D

6 0
3 years ago
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A soldier started patrolling around his camp at 22 30 . His patrol lasted 3 hours and 20 minutes .What time did his patrol end
baherus [9]

Answer:01 50 Hrs

Step-by-step explanation:

If the soldier started patrol at 2230 hrs and his petrol lasted for 3 hours and 20 minutes, that means he was on patrol for that time.

The time he finished was therefore:

= 2230 + 320

= 2550

At 24 you begin at 0:00am so:

= 2550 - 2400

= 150

Patrol ended at 0150 hrs

4 0
3 years ago
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