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zalisa [80]
3 years ago
14

Help, I don’t understand

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

A=90°,B=90°,C=90°,D=90°

Step-by-step explanation:

all of the numbers A-D add up to 360°

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yaroslaw [1]

Answer:

C

Step-by-step explanation:

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Please help! also please explain how to solve
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C

Step-by-step explanation:

The fast way: Testing the options!

Teacher loving way:

An= d×n + A0

d= A4-A3=A5-A4=A6-A5...= 6

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What value for Y makes the equation true ? 18y + 4 = 130 {5,6,7,8}
Rufina [12.5K]

Answer:

7 is true

Step-by-step explanation:

if y=5, then 94=130, which is false.

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3 years ago
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Which equation could have been used to create this function table?
anzhelika [568]

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

  • 1

vector AB(3-(-6); 5-7)

vector AB(9;-2)

AB= \sqrt{9^{2}+(-2)^{2}  } = \sqrt{85}

  • 2

M is the midpoint of AB

we have B(-5;10) and M(1;7)

let A(x;y)

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  • 3

the center of the circle is the midponit of the line joining both ends of the diameter

let A(x;y) be the other end

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  • 4

A,B and C are collinear such as AB=BC so b is the midpoint of AC

(-5+1)/2 = y ⇒ y = -4/2 ⇒ y = -2

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so x= 17 and y = -2

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