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
bagirrra123 [75]
3 years ago
11

How many sides does this regular polygon have? Pls help ​

Mathematics
1 answer:
galina1969 [7]3 years ago
3 0

Answer:

9 sides

Step-by-step explanation:

7y + 2y = 180

9y = 180

y =20

so, 2y, the exterior angle is 2 x 20 = 40

Divide 360 by 40 = 9

You might be interested in
Please fill in the three leftover boxes
evablogger [386]
Homogeneous mixture: solution
Heterogeneous mixture: colloid and suspension
5 0
3 years ago
GOOD QUESTION BELOW PLS LOOK AT PHOTO
Dmitriy789 [7]

Answer:

lol

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
The sides of a rectangle are 3 and 2x + 1. What expression represents the area of the rectangle?
sertanlavr [38]

Answer:

6x + 3.

Step-by-step explanation:

The area = length * width

= 3 *  (2x + 1)

= 6x + 3.

8 0
4 years ago
Read 2 more answers
ILL GIVE YOU BRAINLIST !! *have to get it right ! *
Marianna [84]

Answer:

-1/2

Step-by-step explanation:

Point L is at (-2,3)

Point M is at (2,1)

We can find the slope using

m =(y2-y1)/(x2-x1)

   = (1-3)/(2 - -2)

    =(1-3)/(2+2)

   =-2/4

  =-1/2

5 0
3 years ago
How many one-fourth cup servings are in 9 cups of peanuts?
musickatia [10]

So the question is "How many 1/4ths are inside 9 cups?"

We can divide 9 by 1/4:

9/1 ÷ 1/4.

Reciprocal and multiplication symbol:

9/1 * 4/1

36.

There are 36 one-fourth cups servings in 9 cups of peanuts.

6 0
4 years ago
Read 2 more answers
Other questions:
  • A pair of equations is shown below.
    14·1 answer
  • Divide 478 by 16. Use partial quotients
    11·1 answer
  • What is the GCF of 12 and 7
    7·2 answers
  • What is 3.8 as a fraction
    15·1 answer
  • An item on sale costs 25% of the original price. If the original price was $40 , what is the sale price?
    9·2 answers
  • The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 78 inches, and a standard d
    10·1 answer
  • The squirrel could store 48 nuts in a hiding place. If there were 768 nuts to hide, how
    8·2 answers
  • Write 5/3 as a fraction of a product of a whole number and a unit fraction
    11·2 answers
  • Write the equation of line of the line that passes through the point (5, 6) and a slope of 2
    12·1 answer
  • A fifth-grade student bought three cans of tennis balls for $4 each. Sales tax for all three cans was $.95. Write an expression
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!