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boyakko [2]
3 years ago
8

Which equations have no solution?

Mathematics
2 answers:
Alexeev081 [22]3 years ago
4 0
D and B don’t have any solutions
Andrews [41]3 years ago
4 0

Step-by-step explanation:

A and E

A

because x+5 = x-5

x-x = -5 -5

0 = -10

E

8 + 4f = 4(3+f)

8 + 4f = 12 + 4f

4f - 4f = 12 - 8

0 = 4

A and E it's not true

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Find the perimeter of quadrilateral ABCD with vertices A=(1,1) B=(4,4) C=(7,1) D=(4,-2). Explain your answer.​
Vanyuwa [196]

we have the coordinates of ABCD

there are 2 ways of doing this one is you find the distance of ab, bc, cd and da and then add the answers together. there is another way but i dont remember it properly so i am just gonna do it this way

distance between 2 point = \sqrt{(x_B-x_A)^2+(y_B-y_A)^2}

AB

d = \sqrt {(4 - 1)^2 + (4 - 1)^2}

d = \sqrt {(3)^2 + (3)^2}

d = \sqrt {9 + 9}

d = \sqrt 18

AB = 4.24

now repeat the same with all

BC= 4.24

CD= 4.24

DA= 4.24

so its a square with all the same sides so perimeter is 4 x 4.24

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hope this helps

mark me as brainliest please

3 0
2 years ago
The roots of an equation are x = -1 ± i. The equation is x2 + + 2 = 0.
OleMash [197]
Im pretty sure its x=-1
7 0
3 years ago
Help me people please n thank you
arsen [322]

Answer:

the second one g(x){f(x)=x^(2)-2x-2

Step-by-step explanation:

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4 0
3 years ago
On Saturday moming, Owen earned $25. By the end of the aftemoon he had earned a total of $57. Enter an equation, using x as your
LekaFEV [45]
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5 0
2 years ago
Easy math please help
insens350 [35]

1) False

Adjacent angles must share a common side/ray.

2) B and D

Adjacent angles are those that are directly next to each other and share a common side.

3) C

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Hope this helps!! :)

4 0
2 years ago
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