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2 years ago

Dont send me pdfs or links please answer correctly for brainliest

Mathematics

2 answers:

Yuki888 [10]2 years ago

7 0

Answer:

C. Sample: All names are written on pieces of paper and dropped into a container. Three hundred names are drawn.

Step-by-step explanation:

please mark this answer as brainlest

yuradex [85]2 years ago

7 0

C all the names are written on a piece of paper and dropped into a jar

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If Devaughn earns a C in science, a D in math, and an A in English, what is his GPA?

Pie

The answer will is 2.34

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3 years ago

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How do you recongnize functions?

natta225 [31]

Answer:

That is not a function :)

Step-by-step explanation:

You can recognize functions by seeing if it passes the vertical line test. If you draw a vertical line anywhere are the grid and it crosses the equation in more then one place then it does not pass the test, and is not a function.

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2 years ago

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What is (6,2) rotation 270

nignag [31]

Given:

The point is (6,2).

To find:

The image of given point after rotation of 270 degrees.

Solution:

Let the given point be P(6,2).

Rotation of 270 degrees means the figure is rotated 270 degrees counterclockwise about the origin. So, the rule of rotation is

$(x,y)\to (y,-x)$

Using this rule, we get

$P(6,2)\to P'(2,-6)$

Therefore, the image of given point is (2,-6).

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3 years ago

The disk enclosed by the circle x+y = 4 is revoived about the y-axis to generate solid sphere. A hele of diameter 2 units is the

Vesnalui [34]

Step-by-step explanation:

Suppose we have a curve, y = f(x).

y = f(x)

x = a x = b

Imagine that the part of the curve between the ordinates x = a and x = b is rotated about the

x-axis through 360◦

. The curve would then map out the surface of a solid as it rotated. Such

solids are called solids of revolution. Thus if the curve was a circle, we would obtain the surface

of a sphere. If the curve was a straight line through the origin, we would obtain the surface of

a cone. Now we already know what the formulae for the volumes of a sphere and a cone are,

but where did they come from? How can they calculated? If we could find a general method

for calculating the volumes of the solids of revolution then we would be able to calculate, for

example, the volume of a sphere and the volume of a cone, as well as the volumes of more

complex solids.

To see how to carry out these calculations we look first at the curve, together with the solid it

maps out when rotated through 360◦

y = f(x)

Now if we take a cross-section of the solid, parallel to the y-axis, this cross-section will be a

circle. But rather than take a cross-section, let us take a thin disc of thickness δx, with the face

of the disc nearest the y-axis at a distance x from the origin.

www.mathcentre.ac.uk 2

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3 years ago

Factor the expression completely. x^5y^2-x^2y^4

Zarrin [17]

Answer:

x5y2−x2y4

Step-by-step explanation:

There are no like terms. Therefore the answer is correct. =x^5y^2−x^2y^4

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3 years ago