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
lora16 [44]
2 years ago
8

I need help with this

Mathematics
1 answer:
Flauer [41]2 years ago
6 0
The given angles are complementary, therefore:

(5r + 5) + (8r -6) = 90°

13r - 1 = 90
13r - 1 + 1 = 90 + 1
13r = 91

13r/13 = 91/13

r = 7
You might be interested in
A regular hexagon is shown below. Find the value of x.<br> (11x + 21)°
noname [10]

Answer:

x=9

Step-by-step explanation:

The expression is for the interior angle of the hexagon; one interior angle is equal to .

Since an interior angle of a hexagon measures 120°, we have the equality

.

Now it is just a matter of solving for  

11x=120-21

11x=99

x=99/11

x=9

4 0
2 years ago
Please helpppppppppppppp
77julia77 [94]
The answer would be 4/5 and 40%
5 0
2 years ago
Read 2 more answers
What is the perimeter of the contest area on the judo mat?
Rus_ich [418]
How big is the judo mat,
3 0
3 years ago
Read 2 more answers
X + y =7 What is the answer show your work
azamat

Answer:

  • x = 3
  • y = 4.
  • There are infinite solutions. I'll just give you this solution.

Step-by-step explanation:

<u>Given equation:</u>

  • x + y = 7

<u>Solve for variables:</u>

  • 7 - x = y
  • 7 - 3 = 4
  • 7 - y = x
  • 7 - 4 = 3.

<u>Answers:</u>

  • x = 3
  • y = 4.
3 0
2 years ago
Please help me answer this for a test and please explain reasoning behind your answer.
xenn [34]

Answer:

c is the ans because l ans m r || so angle are sam the ans is 64

6 0
3 years ago
Other questions:
  • What are the roots of y = x2 – 3x – 10?
    5·1 answer
  • In a given quadrilateral, each side is parallel to its opposite side and the diagonals are not perpendicular. What could it be?
    14·1 answer
  • Compare |− 4 25 | and |− 7 20 |.
    15·1 answer
  • Pleaseeee help! I'm really confused.
    8·1 answer
  • What's the final price?<br> sweater: $14.99<br> discount: 12%<br> tax: 6.25%
    8·1 answer
  • An algebraic expression, where "a number" is the letter x. You do not need to simplify.
    10·1 answer
  • Help me pls UoU Uwu<br> \djjn
    11·1 answer
  • What is the complete factorization of the polynomial below? x3 +4x2 + 16x + 64
    13·1 answer
  • A television program asks its viewers to visit a Web site to indicate their preference for two presidential candidates. 76% of t
    8·1 answer
  • Can anybody help me with the question in the attachment please?<br>(will mark brainliest)​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!