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lisov135 [29]
3 years ago
5

What is the midpoint of line segment AB?

Mathematics
2 answers:
jeyben [28]3 years ago
8 0
I believe the midpoint is ( 2 1/2 , 3 1/2 )
grigory [225]3 years ago
8 0

To find midpoint we take the end points of the given line

Point A is (-2,4)

point B is (7 , 3)

To find midpoint use formula

(\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})

x1 = -2, y1=4, x2=7 and y2=3

(\frac{-2+7}{2} , \frac{4+3}{2})

(\frac{5}{2} , \frac{7}{2})

so midpoint is (2.5, 3.5)

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Please find the square roots of the following complex number.
Nana76 [90]

Hey there,

First, find the square root of the given equation.

\sqrt{z}=\sqrt{81(\text{cos}(\frac{4\pi}{9})+i\text{sin}(\frac{4\pi}{9})}\\=9\text{cos}\frac{1}{2}(2k\pi+(\frac{4\pi}{9}))+i\text{sin}\frac{1}{2} (2k\pi+(\frac{4\pi}{9}))

Keep in mind that this is solved for k = 0 and 1.

Second, simplify.

=9\text{cos}(\frac{2\pi}{9})+i\text{sin}(\frac{2\pi}{9})~\text{or}~9\text{cos}(\frac{11\pi}{9})+i\text{sin}(\frac{11\pi}{9})

Best of Luck!

6 0
2 years ago
10 points! please help!
kumpel [21]

Answer:

i think its the third one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What are congruent triangles. ​
pashok25 [27]

Answer:

Congruent triangles are triangles that have the same size and shape.

We say that the two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

Step-by-step explanation:

7 0
2 years ago
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Sam purchased a used car for $15000. He paid 6.3% sales tax. How much tax did he pay?
atroni [7]

Answer:

$945

Step-by-step explanation:

($15000)(.063) = $945

*note: divide by 100 to turn percent into decimal

3 0
3 years ago
Mis wants to earn 2,000 in her job at a bicycle store. She is paid $55 for each bicycle she tunes up. The minimum number of bicy
Natali [406]

Answer:

Step-by-step explanation:

ok. you said 2000 and 2500 so I'll just solve for both.

this is very simple, mis/mia wants to earn 2000/2500 so let's solve

this can be done two ways. an equation way, or a dividing way. I personally like the dividing way.

2000 divided by 55= 36.36-- so she will have to tune up 37 bicycles

2500 divided by 55= 45.45-- so she will have to tune 46 bicycles. this is because 46 bicycles, times the amount of money == just a little over 2500 so she has reached  her goal

3 0
2 years ago
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