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2 years ago

Plz help I need help

Mathematics

1 answer:

Mrac [35]2 years ago

3 0

Answer:

What do you need help with mate?

Step-by-step explanation:

you don't have a question posted.

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Find the surface area of the cylinder in terms of pi.<br><br> Height = 8 in<br> Diameter = 4in

irga5000 [103]

1) the area of the "side" of the cylinder is A1= pi (4 in).
2) the total area of the circular ends of the cyl. is A2 = 2 pi (2 in)^2 (since the radius of the cyl. is 2 in).

The desired total surface area is A = A1 + A2. Keep "pi;" do not substitute a numerical value for "pi."

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3 years ago

Which trigonometric identity can be used to prove the given statement?<br> tan0 cos0 = sin0

Ilia_Sergeevich [38]

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Step-by-step explanation:

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2 years ago

Determine the equation of the line, written in slope-intercept form, that passes through the points (1,1) and (5,−1).

bazaltina [42]

Answer:

y=-1/2x+3/2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-1-1)/(5-1)

m=-2/4

m=-1/2

y-y1=m(x-x1)

y-1=-1/2(x-1)

y=-1/2x+1/2+1

y=-1/2x+1/2+2/2

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3 0

3 years ago

What are the coordinates of the hole in the graph of the function f(x) ?

Vinvika [58]

ANSWER

$(3, \infty )$

EXPLANATION

The given function is

$f(x) = \frac{ {x}^{2} - 9}{x - 3}$

When we plug in x=3 into this function, we obtain,

$f(3) = \frac{0}{0}$

This means that the function is discontinuous at x=3.

We need to simplify the function to obtain,

$f(x) = \frac{(x - 3)(x + 3)}{(x - 3)}$

This implies that,

$f(x) = x + 3$

The graph this function is a straight line that is continuous everywhere.

To graph

$f(x) = \frac{ {x}^{2} - 9}{x - 3}$
we draw the graph of

$f(x) = x + 3$
and leave a hole at x=3.

See diagram in attachment.

Hence the coordinates of hole is

$(3, \infty )$

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3 years ago

°°°°°°°°°°°°°________________°°°°°°°°°°°°°°°°

Igoryamba

Complementary angles add up to 90 degrees whereas Supplementary angles add up to 180 degrees.

If this helps can I please have brainiest? Thanks

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2 years ago

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