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Anton [14]
3 years ago
14

Need help please anyone

Mathematics
1 answer:
Svetllana [295]3 years ago
3 0

9514 1404 393

Answer:

  A) The angles marked ∠7 and ∠8 are vertical angles.

  B) The angles marked with expressions in y are also vertical angles, so those expressions are equal to each other. Stating this in equation form gives an equation that can be solved for y.

  C) y = 24; ∠7 = ∠8 = 89°

Step-by-step explanation:

A) The angles marked ∠7 and ∠8 are vertical angles, comprised of opposite rays and having a common vertex.

__

B) The angles marked with expressions in y are also vertical angles. Vertical angles are congruent, so those expressions are equal to each other. Stating this in equation form gives an equation that can be solved for y.

__

C) (5y-29)° = (3y+19)°

  2y = 48 . . . . . . . . . . . . divide by °, add 29-3y

  y = 24 . . . . . . . . . divide by 2

Angles 7 and 8 are supplementary to the angles marked with expressions in y.

  ∠7 = ∠8 = 180° -(5y -29)° = 209° -5(24)°

  ∠7 = ∠8 = 89°

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3 years ago
Write a division problem that results in a quotient that is greater than 200 and less than 250
alex41 [277]
There are many ways you can go about doing this. One example is 430÷2=215. I am assuming you are doing multiplication at this time, or you have a calculator nearby. A way you would solve this is choosing a number between 200 and 250, then multiply that by "x"(any number you so choose). The number you would get is "y"(the product of x×your number between 200 and 250). Your equation would then be y÷x=number you choose between 200-250 
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Sophie [7]

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4 0
3 years ago
What is the slope of line that passes through points (-6,-7)and(-24,7)write your answer in simplest form
geniusboy [140]

Answer:

-7/9

Step-by-step explanation:

the slope of a line between two points is 'rise over run', or the vertical distance between the points divided by the horizontal distance between them.

Finding the change in either direction is done by simply subracting our starting value from our ending value. It does not matter which point you start at, but lets choose (-6,-7) as our starting point, and (-24,7) as our end point.

The 'rise' of this line is 7 - (-7), which equals 14

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3 0
3 years ago
At a conference the organizer determined at 32% of the attendees were between the ages of 18 and 29 there were 216 attendees in
miss Akunina [59]

Answer:

675 total attendees at the conference.

Step-by-step explanation:

Let x represent total attendees at the conference.

We have been given that at a conference the organizer determined at 32% of the attendees were between the ages of 18 and 29. There were 216 attendees in this age range. We are supposed to find the total attendees at the conference.

To find the number of total attendees at the conference, we will set as equation where 32% of x is equal to 216.

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Therefore, there were 675 total attendees at the conference.

8 0
3 years ago
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