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4 years ago

Help me please thanks

Mathematics

2 answers:

Rus_ich [418]4 years ago

8 0

Answer:

Step-by-step explanation:

the domain is 7

the range is 2

the function is non

ZanzabumX [31]4 years ago

8 0

Answer:

- infinti to + infinti

Step-by-step explanation:

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A leather ball has a diameter of 28.4 cm. Which is the area of the piece of leather used on the surface of the ball?

Ira Lisetskai [31]

Answer:

$A=806.56\pi\ cm^2$

Step-by-step explanation:

Given that,

The diameter of a leather ball, d = 28.4 cm

Radius, r = 14.2 cm

We need to find the area of the piece of leather used on the surface of the ball. The surface area of the ball is given by :

$A=4\pi r^2\\\\A=4\times \pi\times (14.2)^2\\\\A=806.56\pi\ cm^2$

So, the area of the piece of leather is $806.56\pi\ cm^2$ . The correct option is (b).

7 0

3 years ago

Which set of points is not coplanar?

spin [16.1K]

we know that

Coplanar points are three or more points which lie in the same plane. Remember that a plane is a flat surface which extends without end in all directions. Any three points in 3-dimensional space determine a plane.

case a) points A, B, E

Any group of three points determines a plane

The points A,B,E are coplanar

case b) points A, B,C,E

The four points do not belong to the same plane

The points A,B,C,E are not coplanar

case c) points B, C, D

Any group of three points determines a plane

The points B, C, D are coplanar

case d) points A,B, C, D

The base of the pyramid is a flat surface, the four points lie in the same plane

The points A,B, C, D are coplanar

therefore

the answer is the option

points A, B, C, E are not coplanar

8 0

4 years ago

Read 2 more answers

WILL MARK BRAINLIEST Evaluate the answer in exponential form

lys-0071 [83]

Answer:

-2.0000 times -2.000 = 4

Step-by-step explanation:

3 0

3 years ago

The cost of renting a car is $46/week plus $0.25/mile traveled during that week. An equation to represent the cost would be y=46

julsineya [31]

The answer for part a is $60.25, for part b the answer is 76 miles, and for part c the answer is 216 miles.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

The equation to represent the cost would be y=46+0.25x

x is the number of miles.

a) What is your cost if you travel 57 miles?

Plug x = 57 in the above equation:

y = 46 + 0.25(57)

y = $60.25

b) If your cost was $65.00, how many miles were you charged for traveling?

Plug y = 65 in the equation:

65 = 46 + 0.25x

x = 76 miles

c) Suppose you have a maximum of $100 to spend for the car rental. What would be the maximum number of miles you could travel?

Plug y = 100 in the equation:

100 = 46 + 0.25x

x = 216 miles

Thus, the answer for part a is $60.25, for part b the answer is 76 miles, and for part c the answer is 216 miles.

Learn more about the function here:

brainly.com/question/5245372

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5 0

2 years ago

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Translate

BARSIC [14]

Answer:

5 x 0.4 = 2

5 + 2 = 7???

Step-by-step explanation:

Bye.

3 0

3 years ago

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