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marissa [1.9K]
3 years ago
5

Given a soda can with a volume of 36 and a diameter of 4, what is the volume of a cone that fits perfectly inside the soda can?

(Hint: only enter numerals in the answer blank).
Mathematics
2 answers:
Tomtit [17]3 years ago
5 0
First we need to find the heigh of the soda can be rearanging the volume formula, V = pi * r^2* h. We can make that h =  \frac{V}{pi * r^2} We know that V is 36 and radius is half of the diameter, so radius is 2. h =  \frac{36}{pi * 2^2}
h =  \frac{36}{pi * 4}
h = 2.87

Now, we can use the height to figure out the volume of a cone. The volume of a cone is V = pi * r^2 *  \frac{h}{3}
R is 2 again and h is 2.87
V = pi * 2^2 *  \frac{2.87}{3}
pi * 4 * .96
12.56*.96 = 12.0576
So a cone with a volume of 12.0576 is the largest that will fit into the soda can
Gelneren [198K]3 years ago
5 0

For this case what we should do is model the soda can as a cylinder.

We have then:

V = \pi * r ^ 2 * h

Where,

r: can radius

h: height of the can

From here, we clear the value of the height:

h = \frac{V}{\pi * r ^ 2}

Substituting values we have:

h = \frac{36}{\pi * 2 ^ 2}\\h = 2.87

We are now looking for the volume of the cone.

We have then:

V = (\frac{1}{3}) * (\pi) * (r ^ 2) * (h)

Substituting values we have:

V = (1/3) * (\pi) * (2 ^ 2) * (2.87)\\V = 12.02

Answer:

the volume of a cone that fits perfectly inside the soda can is:

V = 12.02

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Use the Graph of the parabola to fill in the table
Andre45 [30]

Answer:

a) Upwards

b) x = -1

c) (-1,-9)

d) x intercepts; (2,0) and (-4,0)

y intercept is (0,-8)

Step-by-step explanation:

a) As we can see, the parabola faces upwards

b) To find the axis of symmetry equation, we look at the plot of the graph and see the point through the vertex of the parabola that exactly divides the parabola into two equal parts

The x-value that the line passes through here is the point x = -1 and that is the equation of the axis of symmetry

c) The vertex represents the lowest point of the circle here,

As we can see, this is the point through which the axis of symmetry passes through to make a symmetrical division of the parabola

We have the coordinates of this point as

(-1,-9)

d) The intercepts

The x-intercept are the two points in which the parabola crosses the x-axis

We have this point as 2 and -4

The x-intercepts are at the points (2,0) and (-4,0)

For the y-intercept; it is the y-coordinate of the point at which the parabola crosses the y-axis and this is the point (0,-8)

5 0
2 years ago
In the triangle, x = 3. Find y.
hoa [83]
Where is this triangle you speak of
6 0
3 years ago
Solve the quadratic equation below for the exact values of x.<br><br> 4x² - 5 = 75
vfiekz [6]

Answer:

x = ±2√5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Multiple Roots

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

4x² - 5 = 75

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Addition Property of Equality] Add 5 on both sides:                                    4x² = 80
  2. [Division Property of Equality] Divide 4 on both sides:                                  x² = 20
  3. [Equality Property] Square root both sides:                                                    x = ±2√5
8 0
3 years ago
Read 2 more answers
30 POINTS FOR SIMPLE QUESTION
Komok [63]

-4 = y + 3


y = -4x - 3


 Solve for Y in the first equation:

-4 = y +3

Subtract 3 from both sides:

y = -7

Now using the addition method:

rewrite the second equation as 4x+y = -3


Multiply y = -7 by - 1 to get -y = 7

Now add the two together:

4x +y = -3

    -y =7

4x = 4

Divide each side by 4:

x = 4/4 = 1


Then replace x in one of the equations to solve for y which is -7

X = 1, Y = -7



5 0
3 years ago
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