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ollegr [7]
3 years ago
9

I need help please?!!!!!!!

Mathematics
2 answers:
m_a_m_a [10]3 years ago
4 0

Answer:

the answer is C

Step-by-step explanation:

Rina8888 [55]3 years ago
3 0

Answer:

The answer is A...

Step-by-step explanation:

Brainliest?

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(

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4 years ago
A polygon has vertices at (-1,1), (1,1), (1,-1) & (-1,-1) what is the perimeter in units of the polygon
sukhopar [10]

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8

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3 years ago
PLEASE HELP<br> Solve. x^2+9x+2=0
Nataliya [291]

Answer:

x = (1/2) (-9 ± √73)

Step-by-step explanation:

Using completing the square method

x²+9x+2=0

x²+9x = -2   (complete the square by adding (9/2)² to both sides)

x²+9x + (9/2)² = -2 + (9/2)²

( x + (9/2) )² = -2+ (9/2)²

( x + (9/2) )² = -2+ (81/4)

( x + (9/2) )² = 73/4

x + (9/2)  = ± √(73/4)

x + (9/2)  = ± √(73) / 2

x = -(9/2) ± √(73) / 2  (factorize out (1/2) )

x = (1/2) (-9 ± √73)

8 0
3 years ago
What number should Rihanna use for the height of the parallelogram if she uses 28 inches for the base
astraxan [27]

Answer:

Height = 7in

Step-by-step explanation:

Given

See attachment for parallelogram

Base = 28in

Required

What is the height?

The opposite sides of a parallelogram are equal and the height is the distance between the parallel sides.

From the question, we have:

Base = 28in

Also from the question, the difference between the two parallel sides is 7in.

<em>Hence, the height of the parallelogram in 7in</em>

6 0
3 years ago
Lonny is a salesman and earns $75 for each sale he makes. Lonny has a sales
ira [324]

Answer:

5x-7+8=-27

Step-by-step explanation:

5x-7+8=-27

3 0
3 years ago
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