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3 years ago

In a circle with a radius of 12.6 ft, an arc is intercepted by a central angle of 2π/7 radians.

Mathematics

2 answers:

Hitman42 [59]3 years ago

6 0

11.30
just convert it :)

NeX [460]3 years ago

3 0

Arc Length = Ф/2π * 2πr

l = 2π/14π * 2 * 3.14 * 12.6

l = 1/7 * 79.128

l = 11.30

In short, Your Answer would be: 11.30 Feet

Hope this helps!

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A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is

aniked [119]

Answer:

10 three-point questions and 14 five-point questions.

Step-by-step explanation:

x+y = 24

3x+5y = 100

We can solve this system of equations using elimination. In order to do this, let's first multiply the first equation by 3...

3x+3y=72

3x+5y=100

Now, subtract the first equation from the second equation...

2y=28

Divide both sides by 2

y=14

Plug this back into any of the equations to solve for x...

x+14=24

x=10

There were 10 three-point questions and 14 five-point questions

7 0

2 years ago

Help I need to turn this in 15mins

Assoli18 [71]

9 = 4
18 = 8
27 = 12
36 = 16
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5 0

3 years ago

When solved for c, the equation is c = k – 273.15 c = 273.15 – k c = k 273.15 c = 273.15k

charle [14.2K]

The the equation K = C + 273.15 when solved for c is C = K - 273.15

<h3>Change of subject of formula</h3>

K = C + 273.15

subtract 273.15 from both sides

K - 273.15 = C

Therefore,

C = K - 273.15

Complete question:

The temperature measured in Kelvin (K) is the temperature measured in Celsius (C) increased by 273.15. This can be modeled by the equation K = C + 273.15.

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brainly.com/question/13763238

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8 0

2 years ago

Solve for x.. 3(x-8) = 29.7

mr Goodwill [35]

Answer:

x = 17.9

Step-by-step explanation:

$3x-24=29.7\\ Distribution Property\\\\3x=53.7\\\\Adding 24 to both sides\\\\x=17.9\\Divide by 3 to both sides\\\\Hope this helps:)\\$

6 0

3 years ago

Read 2 more answers

The probability that a household owns a pet is 0. 55. Suppose there are 5 houses on a block. Assuming each household is independ

Alexandra [31]

If the probability that a household owns a pet is 0.55 then the probability that all households will have pets is equal to 0.0503.

Given that the probability that a household owns a pet is 0.55 and there are 5 houses on a block.

We are required to calculate the probability that all the five households will have pets.

Probability is basicallly the chance of happening an event among all the events possible. It cannot be negative.

Binomial probability distribution is basically the probability calculations but in different combinations.

In this we have to calculate the probability that all the houses will have the pets then the probability that all five households will have pets is equal to $5C_{5}(0.55)^{5} (1-0.55)^{0}$

=1(0.0503) $(0.45)^{0}$

=1*0.0503*1

=0.0503

Hence the probability that all the five households will have pets is equal to 0.0503.

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6 0

1 year ago