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
Lemur [1.5K]
3 years ago
7

What is the minimum angle of rotation (in degrees) that will carry the star onto itself?

Mathematics
2 answers:
zloy xaker [14]3 years ago
3 0

Answer:

When you rotate the regular pentagon \begin{align*}72^\circ\end{align*} about its center, it will look exactly the same. This is because the regular pentagon has rotation symmetry, and \begin{align*}72^\circ\end{align*} is the minimum number of degrees you can rotate the pentagon in order to carry it onto itself.

Step-by-step explanation:

Lisa [10]3 years ago
3 0
\begin{align*}72^\circ\end{align*} is the minimum number of degrees
You might be interested in
Please, can someone help me?
irina [24]

Step-by-step explanation:

4. not enough information

5.SAS

.we have PE congruent to ER

.angle PEF congruent to angle FER

.and EF that is common for both of triangles

6.SSS

.MO congruent to KL

.MK congruent to OL

.KO that is common for both of triangles.

5 0
3 years ago
What is 0.8%of $5,700?
EastWind [94]

Answer: 0.8% of 5,700 = <u><em>45.6 </em></u>

Step-by-step explanation:

0.8% × 5,700 =

(0.8 ÷ 100) × 5,700 =

(0.8 × 5,700) ÷ 100 =

4,560 ÷ 100 =

45.6;

5 0
3 years ago
Read 2 more answers
If your salary is $42,500 and your federal income taxes are 10% of your salary, how much money will you owe this year in federal
Zarrin [17]
I'm assuming that the salary is for the whole year. If it is not, do tell me. 
Tax = 10/100 * 45000
       = 4500
 You owe $4500 in federal taxes.
6 0
3 years ago
PLZ help me it's is sooo hard
Andreas93 [3]
I'm not sure for number one, but for number 2 the answer to that one is the second tallest on the chart or on the histogram. For number 3 I'm not sure because i cant see the numbers there too blurry. I'm sorry but i hope i got the second one correct.
3 0
3 years ago
System of Linear Equations
dedylja [7]

Answer:

X=6

Y= - 1

Step-by-step explanation:

X-y =7

X+y =5 cross - y and y

_______

X+x =7 +5

2x= 12

X= 12/2

X= 6

Replace X in first equation:

X - y =7

6 - y =7

6 - 7 =y

y = - 1

Hope this helps you.. Good Luck!

8 0
3 years ago
Other questions:
  • Consider the polynomial 8x^3+2x^2-20x-5 factor
    15·1 answer
  • Solve for x: 2 over quantity x plus 2 plus 1 over 5 equals 6 over quantity x plus 5.
    12·1 answer
  • VOTING BRAINLIEST!!!!
    12·2 answers
  • John earns $180 for landscaping 3 yards how much will he was for landscaping 8 yards
    10·2 answers
  • The following statements as true or false.
    13·1 answer
  • How many miles pls help me!!!
    9·1 answer
  • Jose deposits S300 into an account that pays simple interest at a rate of 6% per year. How much interest will he be paid in the
    6·2 answers
  • Find the average of the following numbers: 124, 456 and 785
    7·2 answers
  • The ratio of forks to spoons in the cafeteria is 15:6. If there are 45 forks, how many utensils are there altogether?
    12·1 answer
  • The perimeter of a parallelogram is 180 cm. One side exceeds the other by 10 cm. What are the lengths of adjacent sides of the p
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!