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Neko [114]
3 years ago
13

A sold consiss of a hemisphere anda cone which share a common base.The cone has a base radius of 21cm and height of 28 cm and a

salnt height of 35cm
find
total volume and surface area
Mathematics
1 answer:
kotegsom [21]3 years ago
7 0

Answer:

Volume

12,930.795

Surface area

3,694.513

Step-by-step explanation: For more information on this question research the formulas so you can figure this out yourself.

Have a Ni(e Day (nice)

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What does it mean if y values is the same
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If their equal(Same amount)
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How long could the. Mural be if the length and height have to be whole numbers
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The height has to be 4, 5, or 6, so the width would be 15, 12, and 10 respectively.
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3 years ago
The vertices of a triangle are P(–8, 6), Q(1, –3), and R(–6, –3). Name the vertices of
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The refrection of a point or set of points across the line y = x will result in a point or set of points whose coordinates are the interchange of the x-value and the y-value of the original point or set of points.

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Use this system of equations to answer the questions
Over [174]

Answer:

1. To eliminate x-term, multiply the second by -2

2. To eliminate y-term, multiply the second by 3

Step-by-step explanation:

4x - 9y = 7 (1)

-2x + 3y = 4 (2)

1. To eliminate x-term, multiply the second by -2

-2x + 3y = 4 (2) × 2

-4x + 6y = 8 (3)

4x - 9y = 7 (1)

Add (3) and (1)

6y - 9y = 8 + 7

-3y = 15

y = 15/-3

y = -5

4x - 9y = 7 (1)

4x - 9(-5) = 7

4x + 45 = 7

4x = 7 - 45

4x = -38

x = -38/4

x = -9.5

4x - 9y = 7 (1)

-2x + 3y = 4 (2)

2. To eliminate y-term, multiply the second by 3

-2x + 3y = 4 (2) × 3

-6x + 9y = 12 (3)

4x - 9y = 7 (1)

-6x + 4x = 12 + 7

-2x = 19

x = 19/-2

x = -9.5

4x - 9y = 7 (1)

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