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PIT_PIT [208]
3 years ago
6

Use the formula d=rt to find the value of the missing variable.

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0
D = rt
/t    /t

    D/t = r
80/16 = r
       5 = r

Therefore r = 5ft/second
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Yes, (2,5) is a solution to the equations

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Define the axis of symmetry, vertex, focus and directrix for
Papessa [141]

Answer:

  see attached

Step-by-step explanation:

The equation is in the form ...

  4p(y -k) = (x -h)^2 . . . . . (h, k) is the vertex; p is the focus-vertex distance

Comparing this to your equation, we see ...

  p = 4, (h, k) = (3, 4)

p > 0, so the parabola opens upward. The vertex is on the axis of symmetry. That axis has the equation x=x-coordinate of vertex. This tells you ...

  vertex: (3, 4)

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  focus: (3, 8) . . . . . 4 units up from vertex

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8 0
2 years ago
I am a number between 10 and 25. I am a multiple of 8 and one of my digits is 2 what number am I?
zalisa [80]
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7 0
3 years ago
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For a circle with a radius of 15 cm, what is the length of an arc intercepted by an angle measuring 120°?
slega [8]

Answer: 31.43 cm

Step-by-step explanation:

The length of an arc  is calculated using the formula:

\frac{theta}{360} X 2\pir

where : theta is the angle in degree

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If the angle is given in Radian , the length can be calculated using the formula:

L = r∅

Since , the angle is given in degree , we will use the first formula.

L = \frac{theta}{360} X 2\pir

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5 0
3 years ago
A cylinder has a base radius of 9 feet and a height of 4 feet. What is its volume in
pychu [463]

The volume of the cylinder will be equal to 1017.87 cubic feet.

<h3>What is volume?</h3>

Volume is defined as the space occupied by any object in the three-Dimensions. For the cylinder, the volume will be calculated by radius and the height of the cylinder.


Given that:-

  • A cylinder has a base radius of 9 feet and a height of 4 feet.

The volume of the cylinder will be calculated by using the formulas below:-

V = πr²h

V = π ( 9 )² 4

V = 1017.87 cubic feet.

Therefore the volume of the cylinder will be equal to 1017.87 cubic feet.

To know more about Volume follow

brainly.com/question/1972490

#SPJ1

8 0
2 years ago
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