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rosijanka [135]
2 years ago
13

Find the volume of this sphere. Use 3 for TT. V ≈ [?]ft³ 3 14 ft V = πr³ Tr3

Mathematics
1 answer:
lianna [129]2 years ago
6 0

\sf{\qquad\qquad\huge\underline{{\sf Answer}}}

Here we go ~

Given :

  • diameter = 14 ft, radius = d/2 = 14/2 = 7 ft

  • take pi = 3

Let's calculate volume of the sphere ~

\qquad \sf  \dashrightarrow \:v =  \dfrac{4}{3}  \pi {r}^{3}

\qquad \sf  \dashrightarrow \:v =  \dfrac{4}{3}   \sdot3 \sdot {7}^{3}

\qquad \sf  \dashrightarrow \:v = 4 \sdot343

\qquad \sf  \dashrightarrow \:v = 1372 \:  \: ft {}^{3}

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Llana [10]

Answer:

Mean = 70,000 dollars

SD = 800 dollars

For Khan Academy

Step-by-step explanation:

3 0
3 years ago
6-4(2x-3)+10x<br> Show and explain work
lukranit [14]

Answer:

18+2x

Step-by-step explanation:

6-4(2x-3)+10x

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6 0
3 years ago
Percy said that any real number for k would cause the system of equations to have no solution. Explain the error in Percy’s stat
MatroZZZ [7]

Answer:

Except k=7, any real number for k would cause the system of equations to have no solution.

Step-by-step explanation:

In general a system of equations can be represented as ax+by=c and dx+ey=f. In order this system of equations to have NO SOLUTIONS a/d=b/a≠c/f. In our example a=6, b=4, c=14, d=3, e=2 and f=k. To apply the formula above, 6/3=4/2≠14/k. Hence k≠7. It can be concluded that except k=7, any real number for k would cause the system of equations to have no solutions.

Just for information, if k=7 the system will have infinitely many solutions.

5 0
3 years ago
Read 2 more answers
Total of 49 1/4 + 3 3/8
Ede4ka [16]
49*4=196+1=197/4 
<span>8*3=24+3=27/8 </span>

<span>then make the denominator the same</span>
<span>multiply 197*2 and 4*2 = 394/8 </span>
<span>then 394/8 +27/8 =421/8 </span>
<span>u can either leave it here or in decimal form which would be 52.625 or in mixed numbers-52 5/8</span>
3 0
3 years ago
There is an alien machine which produces seven aliens every two seconds. At this rate how many aliens will produces in one hour?
lyudmila [28]
Well, there are 60 minutes in 1 hour, and there are 60 seconds in 1 minute, so in 60 minutes, there are 60 * 60 seconds, or 3600 seconds in 60 minutes, or 1 hour, therefore, in 1 hour there are 3600 seconds.

the machine makes 7 aliens in 2 seconds, how many will it make in 3600 seconds?

\bf \begin{array}{ccll}&#10;aliens&seconds\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;7&2\\&#10;a&3600&#10;\end{array}\implies \cfrac{7}{a}=\cfrac{2}{3600}\implies \cfrac{7\cdot 3600}{2}=a

that many.
3 0
3 years ago
Read 2 more answers
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