4 years ago

Select all the correct answers. Which of these pairs of functions are inverse functions?

Mathematics

1 answer:

erica [24]4 years ago

3 0

Answer:

Step-by-step explanation:

an inverse function is a function that reverses another function for ex. if f(x)=y and g(y)=x.

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Round 1378 to the nearest thousands

zaharov [31]

Answer:

1000

Step-by-step explanation:

if you were rounding it would be 1380, 1400, or 1000 because it isn't over 5

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3 years ago

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Spaceship Earth, a spherical attraction at Walt Disney World’s Epcot Center, has a diameter of 50 meters. Find the surface area

Black_prince [1.1K]

The surface area of Spaceship Earth is: 7850 m^2

Step-by-step explanation:

Given

Diameter of spherical structure = d = 50 meters

As the attraction is in the form of a sphere, its radius will be used to find the surface area.

$Radius = r = \frac{d}{2} = \frac{50}{2} = 25\ m$

The formula for surface area of sphere is:

$SA = 4\pi r^2\\= 4 * 3.14 * (25)^2\\= 4*3.14*625\\=7850\ m^2$

The surface area of Spaceship Earth is: 7850 m^2

Keywords: surface area, sphere

Learn more about surface area about:

#LearnwithBrainly

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3 years ago

A boat has two sails in the shape of right triangles, labeled A and B in the figure below.

Maru [420]

Answer:

The area of sail A is One-fourth the area of sail B.

Step-by-step explanation:

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3 years ago

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Finf the diffrence write your answer in simplest form 2/7+2/5

Fed [463]

The difference (the answer of a subtraction problem) is:
2/7 - 2/5 --> 10/35 - 14/35 = -4/35

The answer sum (the answer of an addition problem) is:
2/7 + 2/5 --> 10/35 + 14/35 = 24/35

Hope this helps.

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3 years ago

Sam rotated parallelogram ABCD 90° clockwise around the origin. If angle A is 130° and angle B is 50°, what is the degree measur

fomenos

The degree measurement of angle A is already equal to 50 degrees.

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