answer.
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
ElenaW [278]
2 years ago
8

A. How many lines of symmetry does a regular polygon have? B. Give a rule for the number of lines of symmetry in a regular polyg

on. In two or more complete sentences, justify the rule.
Mathematics
1 answer:
astra-53 [7]2 years ago
6 0
A regular polygon has about 5 lines of symmetry. The number of lines of symmetry is equivalent to the number of sides.
You might be interested in
Which system of equations below has no solution? A. y = 4x + 5 and y = 4x – 5 B. y = 4x + 5 and 2y = 8x + 10 C. y = 4x + 5 and y
Stels [109]

Answer: A  y=4x -5 and y=4x+5

Step-by-step explanation:

They have no solutions because they have the same slopes but different y intercepts. That works with any equation.

8 0
2 years ago
If five friends want to share 1.25 of a pizza evenly how much pizza would each person get
Amanda [17]

1.25 /5

12/5 = 2  with 2 left over

25/5 = 5

2 numbers

1.25 /5 = .25

Each person gets .25 of a pizza

4 0
2 years ago
Read 2 more answers
Izumi is running on a quarter-mile oval track. After running 110 yards, his coach records his time as 16 seconds.
pickupchik [31]

Answer:

14.04 miles per hour

Step-by-step explanation:

The problem is asking for Izumi's speed. The formula of speed is:

  • s = \frac{d}{t} , where "s" means speed, "d" means distance and "t" means time.

The problem is also asking for the unit<u> miles per hou</u>r (\frac{miles}{hour}) so, this means that we have to know how many miles Izumi ran, given that the problem only mentioned<u> yards (110 yards).</u>

Let's convert 110 yards to miles, provided that he Izumi ran 1,760 yards in a mile.

  • 110 yards ÷ 1760 \frac{yards}{mile} = 0.0625 miles (this is the distance covered by Izumi in miles)

Let's go back again to the formula: s = \frac{d}{t}

s = \frac{0.0625 miles}{16 seconds} = 0.0039 \frac{miles}{sec}

Since, the we arrived at a miles per second unit, we have to convert it to miles per hour.

So, if a minute has 60 seconds, then an hour has 3,600 seconds.

Thus, 0.0039 \frac{miles}{sec} × 3,600 \frac{seconds}{hour} = 14.04 miles per hour (the answer)

3 0
1 year ago
Milk and cream are mixed together for a recipe. The total volume of the mixture is 1 cup. If the milk contains 2% fat, the cream
inessss [21]

Answer: 1/4

Step-by-step explanation:

Let the volume of mixture (6%fat) in cup is 100cc

x cc be the volume of cream (18% fat) in the mixture.

∴

(100−x) cc be the volume of milk (2% fat) in the mixture.

x * 0.18+(100−x) * 0.02=100

⋅0.06 or 0.18x − 0.02x = 6−2 or 0.16x

= 4 or x=25 cc = 25%

7 0
1 year ago
Read 2 more answers
Marcus is selling lemonade in peanuts each cup of lemonade cost $0.75 in each bag of peanuts cost $0.35 on Saturday market so 5
Fed [463]
Let L represent the number of cups of lemonade that Marcus sold. Then his revenue can be described by ...
   0.75L + 0.35(L -5) = 7.05
   1.10L -1.75 = 7.05 . . . . . . . . . . eliminate parentheses
   1.10L = 8.80 . . . . . . . . . . . . . . .add 1.75
   L = 8 . . . . . . . . . . . . . . . . . . . . .divide by 1.10

Marcus sold 8 cups of lemonade on Saturday.
7 0
2 years ago
Other questions:
  • A nick on the edge of a CD rotates to (−6, 5) during one song when represented graphically.
    8·2 answers
  • Three corporations each own land. Corporation A owns 3.2 × 105 acres, corporation B owns 4 × 104 acres, and corporation C owns 4
    14·1 answer
  • The equation K = mv2 represents the energy an object has based on its motion. The kinetic energy, K, is based on the mass of the
    15·2 answers
  • The length of a rectangle is 3 inches more than three times the width. the perimeter is 94 inches. find the length and width.
    8·1 answer
  • Which of the following represents a pyramidal number sequence?
    5·1 answer
  • Anna is at the movie theater and has $35 to spend. She spends $9.50 on a ticket and wants to buy some snacks. Each snack costs $
    12·2 answers
  • Colin invests £2100 into his bank account. He receives 5% per year simple interest. How much will Colin have after 3 years? Give
    14·1 answer
  • A cable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20
    12·2 answers
  • g(x) = x3 + 6x2 + 12x + 8 A 2-column table with 5 rows. The first column is labeled g of x with entries negative 3, negative 2,
    7·2 answers
  • Weiming, Farhan and Sam had some comic books.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!