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Anit [1.1K]
3 years ago
6

Find the perimeter of a regular octagon if one side has a measure of 8 cm. A. 72 cm. B. 64 cm. C. 56 cm. D. 16 cm. Mark for revi

ew (Will be highlighted on the review page)
Mathematics
1 answer:
Shkiper50 [21]3 years ago
7 0
The answer would be B because 8x8= 64
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For a Saturday matinee, adult tickets cost $8.50 and kids under 12 pay only $7.00. If 80 tickets are sold for a total
jolli1 [7]

Answer:

  • 30 adult tickets,
  • 50 kids tickets

Step-by-step explanation:

<u>Given</u>

  • Cost of adult ticket = $8.50
  • Cost of kids ticket = $7.00
  • Number of tickets = 80
  • Total cost = $605

Let the adult ticket be a and kids be k

<u>We got equations</u>

  • a + k = 80
  • 8.5a + 7k = 605

<u>From the first equation we get</u>

  • k = 80 -a

<u>Substituting k in the second equation</u>

  • 8.5a + 7(80 - a) = 605
  • 8.5a - 7a + 560= 605
  • 1.5a = 45
  • a = 45/1.5
  • a = 30

<u>Then finding k</u>

  • k = 80 - 30 = 50

8 0
3 years ago
Which represents the solution of –9.5 + 6x ≥ 42.1 using interval notation?
OlgaM077 [116]
Hello : 
<span>–9.5 + 6x ≥ 42.1
6x </span>≥ 42.1 + 9.5
6x ≥ 51.6
x ≥ 51.6/6
x ≥ 8.6
using interval notation: <span>[8.6  ; +∞[ </span>
5 0
3 years ago
What is the interquartile range of a data set? <br> what does the IRQ tell you about a data set?
Naddik [55]

Answer:

I would help you... But I think that you are supposed to have a picture and there is no picture.

4 0
3 years ago
A small half bath measures 42 inches by 48 inches.What is the square footage of the half bath?
Mkey [24]
A=LW, we are told that the dimensions are 42 and 48 so:

A=42*48

A=2016in^2
3 0
3 years ago
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djyliett [7]
Y= 18x+35
Y is the total
X is the number of hours that was rented
3 0
2 years ago
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