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3 years ago

Is the following relation a function? Please help

Mathematics

2 answers:

Aleks [24]3 years ago

7 0

No because if you do the vertical line test, it will go through two parts of the circle instead of one.

victus00 [196]3 years ago

4 0

Answer:

No it is not a function.

Step-by-step explanation:

It goes through 2 points not 1.

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What is the radius of a cone that has a lateral area of 70TT and a total surface area of 120TT?

Savatey [412]

Step-by-step explanation:

the lateral area of the cone is, well, the lateral area.

the total surface area of the cone is the lateral area plus the area of base circle.

so, the difference between both is the area of the base circle :

120pi - 70pi = 50pi

the area of a circle is

pi×radius²

and that is in our case

pi×radius² = 50pi

radius² = 50

radius = sqrt(50) = 7.071067812... ≈ 7.1 units

therefore, C is the right answer.

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3 years ago

there were 632 animals gathered at the river. a herd of 187 elephants and 266 zebras left the river area. how many animals were

Simora [160]

Answer: There was a total of 173 animals left by the river

Step-by-step explanation:187+266 = 453

You subtract 453 from the total number of animals which is 632

632-453 = 179

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3 years ago

it is known that a particular surgery has a 61% chance of being successful and caring a patient surgery is performed on five unr

Ganezh [65]

Answer:

about 3 of 5

Step-by-step explanation:

8 0

3 years ago

An equation is shown. What is the value of the missing number? 0.86 x *blank* = 86

lara31 [8.8K]

Answer:

100

Step-by-step explanation:

0.86 x 100 = 86

5 0

3 years ago

Read 2 more answers

As shown in the image below, triangle ABC is reflected onto its image. А B с С" A Which of the following lines represents the li

dybincka [34]

Answer:

Line of reflection will be y = -2

Step-by-step explanation:

From the picture attached,

Triangle ABC has been reflected over an unknown line so that the triangle ABC will overlap triangle A'B'C'.

To find the line of reflection,

Coordinates of point C → (7, 0)

Coordinates of point C' → (7, -4)

Line of reflection = line passing through midpoint of the line joining C and C'

Midpoint of the line joining points C and C' = $(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

= $(\frac{7+7}{2},\frac{0-4}{2})$

= (7, -2)

Therefore, line of reflection is y = -2.

6 0

3 years ago