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Free_Kalibri [48]
3 years ago
7

8th-grade mathematics

Mathematics
2 answers:
Vikentia [17]3 years ago
6 0

Answer:

1072.33 cm^3

Step-by-step explanation:

formula

(2/3)*pi*(r)^3

Sauron [17]3 years ago
5 0
1072.33 cm^3 is the answer
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Match the integrals with the type of coordinates which make them the easiest to do.
WARRIOR [948]

Answer:

1. C. cylindrical coordinates

2 A. spherical coordinates

3. A. spherical coordinates

4. D. Cartesian coordinates

5  B. polar coordinates

Step-by-step explanation:

USE THE BOUNDARY INTERVALS TO IDENTIFY

1. ∭E dV where E is:  

x^2 + y^2 + z^2<= 4, x>= 0, y>= 0, z>= 0  -- This is A CYLINDRICAL COORDINATES SINCE x>= 0, y>= 0, z>= 0

2. ∭E z^2 dV where E is:  

-2 <= z <= 2,1 <= x^ 2 + y^2 <= 2 This is A SPHERICAL COORDINATES

3. ∭E z dV where E is:

1 <= x <= 2, 3<= y <= 4,5 <= z <= 6 -- This is A SPHERICAL COORDINATES

4. ∫10∫y^20 1/x dx  ---- This is A CARTESIAN COORDINATES

5. ∬D 1/x^2 + y^2 dA where D is: x^2 + y^2 <=4  This is A POLAR COORDINATES

6 0
3 years ago
The area A of a triangle with base b and height h is given by A = = bh. Find the area when b = 18 m (meters) and h = 30 m.
Pie

Answer:

Area = 270m^2

Step-by-step explanation:

Given

A = \frac{1}{2}bh

b = 18m

h = 30m

Required

Solve for A

Simply substitute 18 for b and 30 for h

A = \frac{1}{2}bh

A = \frac{1}{2} * 18 * 30

A = 270

Hence:

The area is

Area = 270m^2

6 0
3 years ago
Evaluate y when x=-5. y=3x-6
Sav [38]

Answer:

x= -5

y= -21

Step-by-step explanation

I hope that is the answer you are looking for!And Brainiest is needed!

4 0
3 years ago
Read 2 more answers
When a barrel is 30% empty it
blondinia [14]

Answer:

it is 70% full

Step-by-step explanation:

When it is 30 % empty it means it is 70% full

0.7x=0.3x+30

0.7x-0.3x=30

5 0
3 years ago
Please help and thank you
Oksi-84 [34.3K]

Through my understanding of the question I think the correct answers would be A and D.

hope this helps

5 0
4 years ago
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