3 years ago

Whats the measure of an interior angle of a regular 12 sided

Mathematics

1 answer:

True [87]3 years ago

4 0

360 ÷ 12 = 30.

The measure of an interior angle of a dodecagon is 30°. (:

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8. The loudness of a sound depends on_____. A. The width of the wave B. The brightness of the wave C. The length of a sound wave

cupoosta [38]

Answer:

Step-by-step explanation:

loudness depends on the amplitude or height of the sound waves

5 0

2 years ago

Movie tickets cost $8 for children and $12 for adults. A movie theater has 300 seats. The theater wants to collect at least $4,8

butalik [34]

Answer:

8x + 12y = 4800

$\left \{ {{8x + 12y = 4800} \atop {x+ y = 300}} \right.$

Step-by-step explanation:

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2 years ago

A quantity of bacteria doubles every hour. If you start with 100 bacteria cells, the number of cells you will have at any time c

garik1379 [7]

Answer:

10,000 hours

Step-by-step explanation:

10,000 x 100 = 1,000,000

Hope this helps!

6 0

2 years ago

A rectangle's length and width are in a ratio of 11:3. The perimeter is 56 feet. What are the length and width?

frozen [14]

Answer:

Length=44feet

Width=12feet

Step-by-step explanation:

length:width=11:3

Perimeter=56feet

Sum of ratio=11+3

Sum of ratio=14

Length=11/14 x 56

Length=(11 x 56)/14

Length=616/14

Length=44feet

Width=3/14 x 56

Width=(3 x 56)/14

Width=168/14

Width=12feet

7 0

3 years ago

What is the area of the right trapezoid? Please answerrr

Vanyuwa [196]

Answer:

A = 56 in²

Step-by-step explanation:

the area (A) of a trapezoid is calculated as

A = $\frac{1}{2}$ h (b₁ + b₂ )

h is the perpendicular height between bases and b₁, b₂ the bases

here h = 7 , b₁ = 10 , b₂ = 6 , then

A = $\frac{1}{2}$ × 7 × (10 + 6) = 3.5 × 16 = 56 in²

6 0

2 years ago