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torisob [31]
3 years ago
14

The measure of two side of a triangle are given if p is the perimeter and p=18x+9y find the measure of the third side

Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

10x + 6y

Step-by-step explanation:

Let t = length of the third side

3x + 4y + 5x - y + t = 18x + 9y

8x + 3y + t = 18x + 9y

t = 10x + 6y

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WINSTONCH [101]

9514 1404 393

Answer:

  A. CCW 180° about the origin

Step-by-step explanation:

Figure B appears to be a reflection of Figure A across the origin. Such a reflection can be described by any of ...

  • reflection across the origin
  • rotation 180° CW about the origin
  • rotation 180° CCW about the origin
  • reflection across the x-axis followed by reflection across the y-axis
  • reflection across the y-axis followed by reflection across the x-axis.

4 0
2 years ago
Can someone help me with this math work my brain broke-
marta [7]

Answer:

1. 90

2.60

3.30

4. 40

5. 80

6. 60

7. 30

8. 30

9. 120

Total for all triangles=180

Step-by-step explanation:

In all the problems, you have to solve for y.  This can be done because the three angles are supplementary  For example, in the first diagram, you have:

3y+2y+y=180

6y=180

y=30

It's fairly easy to solve from there.  Just more multiplying and subtracting.

8 0
2 years ago
Please help. I’ll mark you as brainliest if correct!
Readme [11.4K]

Answer:

\large \boxed{\sf \ \ x=0, \ \ y=-5 \ \ }

Step-by-step explanation:

Hello, please consider the following.

We have two equations:

(1) -2x - 4y = 20

(2) -3x + 5y = -25

5*(1)+4*(2) gives

   -10x - 20y -12x + 20y = 100 - 100 = 0

   -22x = 0

   x = 0

I replace in (1)

   -4y = 20

   y = -20/4 = -5

There is one solution x = 0, y = -5

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B98%7D%20" id="TexFormula1" title=" \sqrt[4]{98} " alt=" \sqrt[4]{98} " ali
allsm [11]
In decimal form it’s 3.146
4 0
2 years ago
A car rental company charges $19.99 per day and $0.17 per mile. Write an expression that gives the total cost in dollars to rent
pantera1 [17]
Answer= 19.99d + 0.17m
6 0
3 years ago
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