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malfutka [58]
2 years ago
5

I need to write an expression to represent the volume of this shape

Mathematics
2 answers:
Alina [70]2 years ago
3 0

Answer:

v = 3.14x²y

Step-by-step explanation:

volume cylinder = πr²h

r = 2x ÷ 2 = x

h = y

crimeas [40]2 years ago
3 0

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>3</u><u>.</u><u>1</u><u>4</u><u>x</u><u>²</u><u>y</u>

Step-by-step explanation:

formular:

{ \bf{V = \pi {r}^{2} h}}

r is radius, r = 2x/2 = x

h is height, h = y

{ \sf{V = (3.14) \times ( {x}^{2} ) \times y}} \\ V = 3.14 {x}^{2} y

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stich3 [128]

The value of the expression for the given values of a and b is -1

<h3>Evaluating an expression</h3>

From the question, we are to evaluate the given expression for the given values of a, b, and c

The given expression is

a + b

The given values are

a = 4,

b = -5,

and

c = -8

To evaluate the given expression for the given values of a and b, we will put the values of a and b into the expression,

That is,

a + b becomes

4 + -5

= 4 -5

= -1

Hence, the value of the expression for the given values of a and b is -1

Learn more on Evaluating an expression here: brainly.com/question/17425636

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1 year ago
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Step-by-step explanation:

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2 years ago
Emma ran 4 1/2 miles. For 3/4 of her run,she ran uphill. How many miles did she run uphill?
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\sf \rightarrow  y^2 - 3y - 4y +12

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\sf \rightarrow  y(y - 3) - 4(y - 3)

collect into groups

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<h3><u>Part B</u></h3>

\sf \rightarrow  9x^2 - 12x + 4

middle term split

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\sf \rightarrow  3x(3x - 2) -2( 3x-2)

collect into groups

\sf \rightarrow  (3x -2)( 3x-2)

simplify the following

\sf \rightarrow  (3x -2)^2

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2 years ago
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