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guajiro [1.7K]
3 years ago
7

Find the volume of the solid whose base is the circle x^2+y^2=81 and the cross sections perpendicular to the x-axis are triangle

s whose height and base are equal.
Find the area of the vertical cross section A at the level x=6.

Mathematics
1 answer:
bearhunter [10]3 years ago
6 0
Sent a picture of the solution to the problem (s). Just rotate pic.

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WILL NAME BRAINLIEST! PLEASE HELP ME
DanielleElmas [232]
Rewrite in standard form to find the center (h,k) (h,k) and radius
Center: (5,7)
Radius: 9
3 0
3 years ago
Add. Write your answer in simplest form.
Marianna [84]

Answer:

26 over 3 =2

                  ------ = 8.667

                     3

Convert mixed number to improper fraction

5 and 3 over 45

3

4

= ( 5 × 4 ) over 4

5 × 4

4

+ 3 over 4

3

4

= ( 20 + 3 ) over 4

20 + 3

4

= 23 over 4

23

4

Step 1 of 2: Add, sub-step b: Convert mixed number to improper fraction.

Convert mixed number to improper fraction

2 and 11 over 122

11

12

= ( 2 × 12 ) over 12

2 × 12

12

+ 11 over 12

11

12

= ( 24 + 11 ) over 12

24 + 11

12

= 35 over 12

35

12

Step 1 of 2: Add, sub-step c: Find common denominator.

Find common denominator

23 over 4

23

4

+ 35 over 12

35

12

= ( 23 × 3 ) over ( 4 × 3 )

23 × 3

4 × 3

+ ( 35 × 1 ) over ( 12 × 1 )

35 × 1

12 × 1

= 69 over 12

69

12

+ 35 over 12

35

12

12 is the least common multiple of denominators 4 and 12. Use it to convert to equivalent fractions with this common denominator.

Step 1 of 2: Add, sub-step d: Add.

Add

69 over 12

69

12

+ 35 over 12

35

12

= ( 69 + 35 ) over 12

69 + 35

12

= 104 over 12

104

12

                 

5 0
2 years ago
Read 2 more answers
x represents a certain number. when the number is multiplied by 3 the result is the same as adding 34 to the number x​
Rus_ich [418]

Answer:

3x = 34 + x

x = 17

Step-by-step explanation:

First it says that 3 is multiplied with the number (x)

So, we have : 3x

Then, it says that those numbers multiplied will be equal to adding 34 to x

So, 34 + x

Since the problem says that those terms are equivalent we have to join both terms by an equal sign like this:

3x = 34 + x.

Then solve for x:

3x = 34 + x

3x - x = 34

2x = 34

x = 34/2

x = 17

3 0
3 years ago
Read 2 more answers
For which points is the x-coordinate less than 3?
Gnom [1K]

Answer:

Ok his his his his his his his his his his his his his his his his

8 0
3 years ago
Solve the equation 5n+7=21
Simora [160]

Answer:

Hi there, I believe the answer to this equation is: 2.8

Step-by-step explanation:

Subtract 7 on both sides so

5n+7=21-7

you are left with 5n=14 you need to get n by itself so divide 5 on both sides.

5n/5 = 14/5

n=2.8

Hope this is correct :)

Have a great day

5 0
3 years ago
Read 2 more answers
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