1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ella [17]
3 years ago
9

Please help!

Mathematics
1 answer:
nekit [7.7K]3 years ago
5 0

Step-by-step explanation:

3x+9+4x-3+8x-6=180

15x=180

x=12

angle 1= 3x+9=36+9=45°

angle 2=4x-3=48-3=45°

angle 3=8x-6=96-6=90°

1) it's right triangle

2) it's isosceles triangle

You might be interested in
(3x - 1)^2 + 12x - 4 = 0
Olenka [21]

Answer:

x

= 1/3, x=-1

Step-by-step explanation:please mark brainliest 0.0

5 0
3 years ago
Read 2 more answers
I need help with all of it
kakasveta [241]
When you bring something up or move something down, you have to multiply the exponent by -1. So in this case, you are bringing up the exponent. Multiply 5 by -1 and your answer should be x^5/1.
5 0
3 years ago
Which group of three squares will form a right triangle when joined at their vertices?
ludmilkaskok [199]

Answer:

3

Step-by-step explanation:

Use the formula below to find right angle triangle

{a}^{2}  + {b}^{2}   =  {c}^{2}  \\ so \: only \: 3 \: fulfills \: this \: requirement \\  {8}^{2}  +  {15}^{2}  = {17}^{2}

6 0
4 years ago
Regina gets a $50 gift card for thw music site she tries to estimate how
Paha777 [63]
What are the possible answers ?
4 0
3 years ago
Elevator 1 moved up 12 feet from the ground level. Its position is labeled as +12. Elevator 2 moved down 7 feet from the ground
pav-90 [236]

Answer:

-7

Step-by-step explanation:

8 0
4 years ago
Other questions:
  • What is the value 6x^2-13 for x=2
    13·1 answer
  • What is the scale factor in the dilation?<br> Answer Choices<br> 2/5<br> 1/2<br> 2<br> 2 1/2
    11·1 answer
  • 3.
    6·1 answer
  • Value of the underlined digit
    10·1 answer
  • at the hardware store you can buy 2 boxes of bolts for $4.70. this can be expressed by the equation Y=KX. how much would it cost
    6·1 answer
  • The number 220 is divided into two
    6·2 answers
  • What is the final price of a$59 item during a 15% off sale ​
    5·1 answer
  • What is the y-coordinate for the solution to the following system of equations?
    15·1 answer
  • #3 Q is the midpoint of PR, PQ = 2x, and PR = 8x - 12. Find X, PQ, and PR.
    10·1 answer
  • Name the angle three different ways.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!