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maria [59]
3 years ago
9

What is the volume of a sphere with a

Mathematics
1 answer:
AlexFokin [52]3 years ago
5 0

Answer:

V=137.25\ cm^3

Step-by-step explanation:

Given that,

The diameter of the sphere, d = 6.4 cm

Radius, r = 3.2 cm

We need to find the volume of the sphere. The formula for the volume of a sphere is given by :

V=\dfrac{4}{3}\pi r^3\\\\=\dfrac{4}{3}\pi \times (3.2)^3\\\\=137.25\ cm^3

So, the volume of the sphere is equal to 137.25\ cm^3.

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Graph the linear equation x= - 5​
Grace [21]

Answer:

that would be a vertical line (parallel to the y axis) that passes through -5 on the X axis

Step-by-step explanation:

just a straight line that goes through x = -5. if you're still confused it would also go through the point (-5, -5) a straight vertical line

5 0
3 years ago
Read 2 more answers
Find the average rate of change of the function over the given interval.
Minchanka [31]

Answer:

Average rate of change = 20.2

Rate of change at the left endpoint :   f' (5) = 4t = 20

Rate of change at the right  endpoint : f' (5.1) = 4*5.1 = 20.4

Step-by-step explanation:

The average rate of change of the function

F(t) = 2t^2 - 1 ,  [ 5,5.1 ]

solution

\frac{f(5.1)-f(5)}{5.1 - 5} = \frac{2*(5.1)^2-1-(2*5^2-1)}{0.1}   = [ 2 ( 26.01 - 25 ) / 0.1 ]

= 2.02 / 0.1 = 20.2

Rate of change at the left endpoint :   f' (5) = 4t = 20

Rate of change at the right  endpoint : f' (5.1) = 4*5.1 = 20.4

6 0
4 years ago
Lois is 3 years older than Oscar. The sum of their ages is no more than 20. Write an inequality that can be used to represent th
scoundrel [369]
  • Let Oscar be x years old
  • Lois is x+3 years old

ATQ

\\ \sf\longmapsto x+x+3\leqslant 20

\\ \sf\longmapsto 2x+3\leqslant 20

\\ \sf\longmapsto 2x\leqslant=17

\\ \sf\longmapsto x\leqslant \dfrac{17}{2}

5 0
2 years ago
Read 2 more answers
What is b? <br>4 + b/2 = 9
Travka [436]
4 + b/2 = 9
       b/2 = 9 - 4
       b/2 = 5
    2(b/2) = 5(2)
          b = 10

hope this helps :)


6 0
3 years ago
4. The Blackhawk Eagles scored 4 points more than the Lane Vikings. The
konstantin123 [22]

Answer:

Lane Viking's Score is 17

Black Eagles's Score  is 21

Step-by-step explanation:

Let Lane Viking's Score be x and Black Eagles's Score be y.

Black Eagles's Score = 4+ Lane Viking's Score

so y = 4 + x    (Equation 1)

Total Score = 38

Black Eagles's Score + Lane Viking's Score = 38

so y + x =38     (Equation 2)

Putting y's value from Equation 1 in Equation 2

4 + x + x = 38

2x = 38-4

x=34/2

x=17

Putting value of x in Equation 1

y = 4 + 17

y = 21

7 0
3 years ago
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