MATHEMATICS HIGH SCHOOL

If angle ADC measures 23 degrees what does angle ABC measure

Answers

Answer 1
Answer:

Answer:

It’s 46

Step-by-step explanation:

I just did the problem

Answer 2
Answer:

Answer :m \angle ABC=23^o

Step-by-step explanation: we know that

Central angle is the angle that has its vertex in the center of the circumference and the sides are radii of it

The measure of arc ADC is 23 degrees

BA=BD=BC ----->are radii of the circle B

therefore

----> by central angle

therefore

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For what values of the variables must ABCD be a parallelogram?

Answers

okfirst things first. In all parallelograms, you now that opposite anglesare numerically equal to each other and that the sum off all fourangles must add up to 360.

Therefore based off the picture, angles B and D are equal to each other, and A and C are equal to each other.

(2x-10) = (y+20) B = D
y=2x-30

Now B = 2x -10 and D = 2x-30+20 = 2x-10

Now A = C

Since A = 2x+ 10, we can assume C = 2x + 10

Now we need to find the value of x

so our angle A, B, C, and D add up to 360 so the "master equation" is:

(2x - 10) + (2x - 30 + 20) + (2x + 10) + (2x + 10) = 360
2(2x -10) + 2(2x + 10) = 360
4x - 20 + 4x + 20 = 360
8x = 360
x = 45

Now that we know what x is, we can go back to the angles B and D

remember B = 2x - 10 and D = y + 20

and earlier we stated that y=2x-30
therefore y = 2(45) - 30
Y = 60

Now if you wanted to double check, all you have to do is plug in the xand y values into the equations and add up all the angles together andthey should add up to 360.

I know I kinda went into too many details, but I'd rather explain itinto too much detail rather than too few details and shortcuts that youwouldn't be able to follow and understand.

I hope this was helpful =D

Final answer:

ABCD is a parallelogram if either both pairs of opposite sides are parallel, both pairs of opposite sides are equal, or one pair of opposite sides is both parallel and equal.

Explanation:

In mathematics, a quadrilateral ABCD is considered a parallelogram if it meets one of these three conditions:

  • Both pairs of opposite sides are parallel (AB || DC and AD || BC).
  • Both pairs of opposite sides are equal (AB = DC and AD = BC).
  • One pair of opposite sides is both parallel and equal (AB = DC and AB || DC).

So, the values of the variables you have in your problem have to satisfy at least one of these conditions to make ABCD a parallelogram.

Learn more about Parallelogram here:

brainly.com/question/31342904

#SPJ3

Please help with question 6 (last one)❤️

Answers

Answer:

14

Hope this helps

Step-by-step explanation:

yw

Answer:

First choice, 13

Step-by-step explanation:

1/16 times 208 = 208/16 = 13

Find the value of g(5) if g(x)=x3−x.

Answers

Answer:

g(5) = 120

Step-by-step explanation:

to evaluate g(5) , substitute x = 5 into g(x)

g(x) = x³ - x , then

g(5) = 5³ - 5 = 125 - 5 = 120

How much Interest is earned on $470 at 4% for seven years ?

Answers

Answer:

End Balance      $618.49

Total Principal     $470.00

Total Interest       $148.49


Hope this helps! Please mark brainliest! Have a great day!

Answer:

Step-by-step explanation:

how do i do this

Solve y = 2xz2 - xy for x

Answers

Hello,

y=x(2z²-y)

if 2z²-y ≠0 then

x=y/(2z²-y)

if you know the value of y and the value of z ,
you will be able to find a numerical value of x.
Hey,

Y=2  x XZ2
XZ2-XY
XY=X x Y

Divide 6/13 by 6/12 .

Answers

6/13÷6/12=
6/13×reciprocal of 6/12=
6/13×12/6=
6 will get cancelled and so remaining...12/13=0.92307 or. 92
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