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algol [13]
4 years ago
12

I don't understand this question. Could anyone excplain to me what it wants me to do and what the answer is?

Mathematics
2 answers:
Hatshy [7]4 years ago
7 0
The answer is 18.2
I got the answer by solving it
nikitadnepr [17]4 years ago
4 0
1st you need equation for the surface area of a sphere which is:
A=4*π*r^2
Where r=radius
r = diameter/2 or d/2

So
area of a sphere = 4*π*(d/2)^2

Plug in the area given
1041 = 4*π*(d/2)^2

Solve for d
1041/(4* π)=82.84

82.84 = (d/2)^2

Sqrt(82.84)=d/2

9.10=d/2

9.10*2= d

18.2=d
So the answer is 18.2 in





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The sum of 5 consecutive even numbers is 216. What is the third number in the sequence
alexandr1967 [171]

Hello from MrBillDoesMath!

Answer:  NO solution possible!


Steps:

Let "n" be the first even number. We are told that


n + (n+2) + (n+4) + (n+6) + (n +8)  = 216


The third number, the value we want, is boldfaced above.


Simplify the above equation:

5n + ( 2 + 4 + 6 + 8 ) = 216   or


5n +  20  = 216  or

5n = 196


n = 196/5   is NOT an integer value.  This problem, as stated, has no solution.

Regards, MrB

4 0
4 years ago
3m + 8 + m = 36 which can be substituted for m to make this equation true?
PilotLPTM [1.2K]

Answer:

m = 7

Step-by-step explanation:

3m + 8 + m = 36 , that is

4m + 8 = 36 ( subtract 8 from both sides )

4m = 28 ( divide both sides by 4 )

m = 7

3 0
3 years ago
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galina1969 [7]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Work out 130% of 70 - 170% of 30
KATRIN_1 [288]

Answer:

(130\% \times 70) - (170\% \times 30) \\  = ( \frac{130}{100}  \times 70) - ( \frac{170}{100}  \times 30) \\  = (91) - (51) \\  = 40

4 0
3 years ago
13-0.5w+6x when w=10 and x =1/2
77julia77 [94]

Answer:

53

Step-by-step explanation:

5w+6x when w=10 and x =1/2

I suppose you want to evaluate this expression for the given values of the variables.

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5 0
3 years ago
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