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
Bogdan [553]
4 years ago
10

The floor of a gazebo is in the shape of a heptagon. Four of the interior angles measure 135∘. The other interior angles have eq

ual measures. Find their measures.
Mathematics
1 answer:
Lynna [10]4 years ago
7 0
The other interior angles are each 120°.

We first find the sum of the measures of the interior angles of a heptagon.  We use (n-2)(180) to find this:

(7-2)(180) = 900

We can now set up an equation.  We know that 4 of the angles are 135° each, and we will let the unknown angle measure be x:

4(135) + 3x = 900
540 + 3x = 900

Subtract 540 from each side:
540 + 3x - 540 = 900 - 540
3x = 360

Divide both sides by 3:
3x/3 = 360/3
x = 120°
You might be interested in
А
horsena [70]

Answer:

a)

The total number of students who participated in the survey is 97

b)

P(male) = 0.5361

c)

P(A) = 0.2474

d)

The events male and TV show B are not mutually exclusive since 5 males prefer TV show B.

e)

The events female and TV show C are mutually exclusive since no female participant prefers TV show C

Step-by-step explanation:

a)

The total number of students who participated in the survey is obtained as;

Number of male participants + number of female participants

52 + 45 = 97

b)

P(male)

This is the probability that a randomly selected individual would be a male;

P(male) = ( number of male participants) / ( total participants)

             = 52/97 = 0.5361

c)

P(A)

This is the probability that a randomly selected participant would prefer TV show A;

P(A) = ( participants who prefer TV show A) / (total participants)

       = 24/97 = 0.2474

d)

Two events are said to be mutually exclusive if they cannot happen at the same time. Another word that means mutually exclusive is disjoint. If two events A and B are disjoint, then the probability of them both occurring at the same time is 0.

The events male and TV show B are not mutually exclusive since 5 males prefer TV show B. The probability is thus not 0.

e)

Two events are said to be mutually exclusive if they cannot happen at the same time. Another word that means mutually exclusive is disjoint. If two events A and B are disjoint, then the probability of them both occurring at the same time is 0.

The events female and TV show C are mutually exclusive since no female participant prefers TV show C. The probability is thus 0.

4 0
3 years ago
11,760,825 in word format
stepan [7]
Eleven million, seven hundred sixty thousand, eight hundred twenty five

Hope this helps!
6 0
3 years ago
I don't know how to solve this. How would I solve this? Thanks!!!!
Afina-wow [57]

Answer:

x = 11 units

Step-by-step explanation:

Area of triangle = (base + base 2) * h *1/2

so (7 + x )* 7 * 1/2 = 63

63 x 2 = 126

126 / 7 = 18

18-7 = x

x = 11

Check

(7+11)* 7 * 1/2

18* 7 = 126

126 x 0.5 = 63

CORRECT!

(p.s., tell me if wrong :P)

6 0
3 years ago
30 slips of paper, numbered 1 to 5, are placed in a paper bag. One slip of paper is drawn at random. What is the probability of
Vadim26 [7]
The answer is 12/30, which simplified to 2/5
8 0
3 years ago
After visiting the Titanic, Captain Brain and Mr. Pinky are taking the Alvin submarine back to the surface of the water. They st
ivanzaharov [21]

Answer:

m=37h-1500.

Step-by-step explanation:

Let m represent meters and h represent hours.

We have been given that Captain Brain and Mr. Pinky start 1500 meters below the surface of the water and ascend at 37 meters per hour.

Since the submarine ascends at a rate of 37 meters per hour, so elevation of submarine after h hours would be 37h.

Since the elevation under water surface is negative, so 1500 meters below the surface of water would be -1500.    

The final elevation in meters of submarine after h hours would be initial elevation plus change in elevation after h hours that is m=37h-1500.

Therefore, the equation m=37h-1500. represents the given scenario.

8 0
4 years ago
Other questions:
  • What is the solution for x2-6x=-5
    9·1 answer
  • If f(x) = 3x - 5, than f(2) =
    12·1 answer
  • How do you construct a regular polygon inside a circle?
    15·1 answer
  • Which pairs of angles in the figure below are vertical angles?
    14·2 answers
  • Jalene lost 12 pounds in the first 3 weeks of his diet if he lost a total of 84 pounds how many weeks did it take him
    6·1 answer
  • 7m-5m-6<br> What’s the answer???
    5·2 answers
  • A is the midpoint of LB, LB = 6x - 17 and AB = 2x + 3
    8·1 answer
  • WHO WANTS FREE BRAINLIEST!!!
    14·2 answers
  • PLEASE HELP!! IM STUCK
    6·1 answer
  • If ax - 7=b(x+2). then x =
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!