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sweet [91]
3 years ago
12

One real life application of circles is?

Mathematics
1 answer:
Flura [38]3 years ago
8 0
Circles are special ellipses that have a single constant radius around a center. Circles and their various properties, such as the radius, diameter, circumference and area, have applications in real life. If the radius of the circle is known, all the other parameters can be calculated. Important information can be determined for real life applications based on the parameters. For example, knowing the circumference of the planets helps us compare their relative sizes, and artificial satellites that are launched travel in orbits of certain circumference.
The radius of curvature of a camera lens can be used to determine its focal length, which is the distance from the lens where light rays will focus. Pizza and cake sizes are determined by the diameter of the pan in which they are baked, and the distance travelled by a person sitting on a Ferris wheel can be determined by calculating the circumference of the wheel. Tires of different vehicles can have different radii. The circumference of a ring needs to match the circumference of the finger on which it is worn for a good fit.
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The lizards in the show eat 250 crickets per week.About how any crickets do the lizards eat each day?Explain.
TiliK225 [7]
250/7 = 35.71428571428571

What is there to explain? There are 250 crickets and x amount of lizards. A week has 7 days so 250/7.
8 0
3 years ago
4. A ramp makes an angle of 9° with the ground. What is the measure of the missing angle in the ramp?
vivado [14]

Answer:

81

Step-by-step explanation:

Assuming the ramp is against a wall or building at a 90 degree angle, then the 3 angles formed by the triangle within the ramp and wall are 9 +90 + x = 180 so 99 + x = 180 so x=81

3 0
3 years ago
The population of Greater Accra increased by 20% and became 900,7000. The original population of the city was:
allochka39001 [22]

Answer:

the original population of the city is 7,505,833

Step-by-step explanation:

Given;

new of the population of the city, Y = 9,007,000

the percentage increase of the city, = 20% = 0.2

Let the original population of the city = X

New population, Y = X  + 0.2X

                           Y = X(1 + 0.2)

                           Y = X(1.2)

                           Y = 1.2X

                           X = Y/1.2

                           X = (9,007,000) / 1.2

                           X = 7,505,833

Therefore the original population of the city is 7,505,833

3 0
3 years ago
Suppose the distance between x and zero is 6. write an inequality
kvasek [131]
0 < /6/ (absolute value) 

That is your inequality since the subject is about the distance away from zero then using common sense you would make the 6 get put in between the 2 absolute value lines ( not trying to be rude, if the explanation seems rude to you im sorry)
4 0
3 years ago
Autumn creates bracelets as a hobby and is planning to start selling them online for $10 per bracelet. Autumn has already sold 5
Slav-nsk [51]

Answer:

(24*10)+50=290

Step-by-step explanation:

7 0
3 years ago
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