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Pani-rosa [81]
3 years ago
12

What is the volume of a sphere with a surface area of 647 cm??

Mathematics
2 answers:
devlian [24]3 years ago
8 0

Answer: V≈1547.5

Step-by-step explanation:

Tasya [4]3 years ago
7 0

Answer:

1547 cm ^3

Step-by-step explanation:

Use the equation:

V=4/3 πr^3

V=\frac{A^{\frac{3}{2} } }{6\sqrt[]{\pi }  } }\\\\=\frac{647^{\frac{3}{2} } }{6\sqrt[]{\pi }  } }\\\\\\\\= 1547.49849

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What is the y-intercept of the line shown below?<br><br>A:3/4<br>B:2<br>C:3<br>D:4​
olya-2409 [2.1K]

The y-intercept is the y value where the blue line crosses the Y axis which is the vertical black line.

The line crosses at the number 4, so the y-intercept is 4

Answer: D. 4

5 0
2 years ago
If A and B represent integers, M+P = P+M is an example of which property?
Serggg [28]

Answer:

commutative propriety of addition

Step-by-step explanation:

M+P =P+M is an example of the commutative propriety of addition

when numbers or parentheses connected by addition or multiplication switch places (commute) we have commutative propriety of addition or multiplication

8 0
3 years ago
Read 2 more answers
What is the y-intercept of function f?
Andru [333]

Answer:

y intercept = 5

Step-by-step explanation:

f(x)=5•(1/6)^x

The y intercept is when x =0

Let x =0

f(0)=5•(1/6)^0      

= 5* 1     = 5

The y intercept is 5

If the question is

f(x)=5•(1/6)x

although I have never seen the question written this way

The y intercept is when x =0

Let x =0

f(0)=5•(1/6)0      

= 5* 0     = 0

The y intercept is 0

5 0
3 years ago
Read 2 more answers
A youth ice hockey game has 3 periods that are each 20 minutes long. Colin plays 12 minutes each period. Which ratio shows Colin
labwork [276]
The answer is 12:20.......................

4 0
3 years ago
Read 2 more answers
The function f(x)=Acosh(Cx)+Bsinh(Cx). I need help determining the value of constant C&gt;0 when the second derivative f''(x)=25
Rus_ich [418]

Answer:

C = 5.

Step-by-step explanation:

First, you need to remember that:

For the function:

h(x) = Sinh(k*x)

We have:

h'(x) = k*Cosh(k*x)

and for the Cosh function:

g(x) = Cosh(k*x)

g'(x) = k*Cosh(k*x).

Now let's go to our problem:

We have f(x) = A*cosh(C*x) + B*Sinh(C*x)

We want to find the value of C such that:

f''(x) = 25*f(x)

So let's derive f(x):

f'(x) = A*C*Sinh(C*x) + B*C*Cosh(C*x)

and again:

f''(x) = A*C*C*Cosh(C*x) + B*C*C*Sinh(C*x)

f''(x) = C^2*(A*cosh(C*x) + B*Sinh(C*x)) = C^2*f(x)

And we wanted to get:

f''(x) = 25*f(x) = C^2*f(x)

then:

25 = C^2

√25 = C

And because we know that C > 0, we take the positive solution of the square root, then:

C = 5

6 0
2 years ago
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