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goblinko [34]
3 years ago
15

Pls help with this volume wiestion

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
3 0

Answer:

15833.6269741 cm^3.But we can make it 15,833.63 cm^3 rounded to the nearest hundredth.

Step-by-step explanation:

so let’s solve this using the following formula -> V=\pi r^2h.

So if the height is 25 and the radius is 12 them we can plug those numbers into the formula.

\pi (12)^2(35).

So let’s start by doing 12 squared which is 144 then 144*35 which is 5040.

And now 5040*pi which is 15833.6269741 cm^3.But we can make it 15,833.63 cm^3 rounded to the nearest hundredth.

Id you ant to check if my answer is correct look at the image below.

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luda_lava [24]
Area of the 2 end triangles plus area of the 2 rectangular sides plus the area of the bottom rectangle

2 end Triangles
=2x(1/2bh)
=2x1/2x4x6
=24

2 side rectangles
=2(lw)
=2x5x13
=130

Bottom rectangle
=6x13
=78

Total = 24 + 130 + 78 =232

6 0
3 years ago
This equation represents an exponential function that passes through the point (2, 80).
miss Akunina [59]

we know that

If the point belongs to the graph, then the point must satisfy the equation

we will proceed to verify each case

<u>case A.)</u> f(x)=4(x^{5})

The point is (2,80)

Verify if the point satisfy the equation

For x=2 find the value of y in the equation and compare with the y-coordinate of the point

f(2)=4(2^{5})

f(2)=128

128\neq 80

therefore

the equation f(x)=4(x^{5}) not passes through the point (2,80)

<u>case B.)</u> f(x)=5(x^{4})

The point is (2,80)

Verify if the point satisfy the equation

For x=2 find the value of y in the equation and compare with the y-coordinate of the point

f(2)=5(2^{4})

f(2)=80

80=80

therefore

the equation f(x)=5(x^{4}) passes through the point (2,80)

<u>case C.)</u> f(x)=4(5^{x})

The point is (2,80)

Verify if the point satisfy the equation

For x=2 find the value of y in the equation and compare with the y-coordinate of the point

f(2)=4(5^{2})

f(2)=100

100\neq 80

therefore

the equation f(x)=4(5^{x}) not passes through the point (2,80)

<u>case D.)</u> f(x)=5(4^{x})

The point is (2,80)

Verify if the point satisfy the equation

For x=2 find the value of y in the equation and compare with the y-coordinate of the point

f(2)=5(4^{2})

f(2)=80

80=80

therefore

the equation f(x)=5(4^{x})  passes through the point (2,80)

therefore

<u>the answer is</u>

f(x)=5(x^{4})

f(x)=5(4^{x})

6 0
3 years ago
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How to find x in an exponential equation
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I think that is A mark me Brainlist please and good luck
6 0
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5. Three people are planting tomatoes in a community garden. Marta takes
SCORPION-xisa [38]

The time it will take for Tyler to finish planting tomatoes alone is; 75 minutes

<h3>Understanding Work Proportion</h3>

We are told that three people are planting tomatoes in a community garden. The time each alone takes to plant are;

  • Marta = 50 minutes
  • Benito = x minutes
  • Tyler = x + 15 minutes

Thus, their individual rates are;

  • Marta = 1/50
  • Benito = 1/x
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Since together, they take 20 minutes, then it means that;

1/50 + 1/x + 1/(x + 15) = 1/20

Multiply through by x(x + 15) to get;

(x² + 15x)/50 + (x + 15) + x = (x² + 15x)/20

Multiply through by 100 to get;

2(x² + 15x) + 100(x + 15) + 100x = 5(x² + 15x)

100x + 1500 + 100x = 5(x² + 15x) - 2(x² + 15x)

200x + 1600 = 3x² + 45x

3x² - 155x - 1600 = 0

Solving this using quadratic formula calculator online gives;

x ≈ 60

Thus, the time it will take tyler alone to finish is;

60 + 15 = 75 minutes

Read more about Work Proportion at; brainly.com/question/1781657

4 0
2 years ago
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