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liq [111]
4 years ago
14

the formula to find the volume of a sphere is v=4/3 π3^ , where r is the radius of the sphere. what is the formula in terms or r

Mathematics
2 answers:
poizon [28]4 years ago
4 0

V = 4/3πr^3

3V = 4πr^3

\sqrt[3]{3/4piV} = r

elixir [45]4 years ago
3 0

Answer:

r = ∛(\frac{3V}{4\pi })

Step-by-step explanation:

You need to rearrange the equation to make r the subject of the formula:

v = \frac{4}{3}πr³

\frac{3V}{4} = πr³

\frac{3V}{4\pi } = r³

∛(\frac{3V}{4\pi }) = r

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Jordan drove for 6 hours at 55 miles per hour, while Matt drove for 3 hours at 60 miles per hour. If Isaac drove 82 miles longer
mihalych1998 [28]
If you look at the equation, we have to multiply the hour and the mph(miles per hour) together to find how many miles they drove. For Jordan, we would have to multiply 6 times 55 which is 330. Jordan drove 330 miles. For Matt, we have to multiply 3 times 60, which gets us 180. Together, they would have drove 510 miles. If Isaac drove 82 miles longer than Jordan and Matt drove combined, we would get 582 miles. Isaac drove 592 miles.
5 0
3 years ago
Can someone please teach me how to solve this equation?
Usimov [2.4K]
Is that plus after multiply
6 0
4 years ago
Help help im so confused as per usual
Alik [6]

Answer:

Step-by-step explanation:

a. HM = 14

HN = 21

HK = 10.5

Based on intersecting chords theorem,

HK*HJ = HM*HN

10.5*HJ = 14*21 (Substitution)

HJ = 294/10.5

HJ = 28

b. VC = 7.2

VG = 12

Based on tangent-secant theorem, thus:

VD*VC = VG²

VD*7.2 = 12²

VD = 144/7.2

VD = 20

Therefore,

CD = VD - VC

CD = 20 - 7.2

CD = 12.8

6 0
3 years ago
I need help please and thank you
MrRa [10]

I will show you a way to do 1 and then you pratice with the rest and I'll check it and help you .

This is what I would do to make it easier

1. 7:15 to 11:16 then 12:05 to 6:10

- hours are on the left side-

1 - 7:15 to 8:15

2- 8:15 to 9: 15

3 - 9:15 to 10:15

4 - 10:15 to 11:15

16 - 15 = 1

4 hours and 1 minute

worked :12:05 - 6:10

1- 12:05 to 1:05

2- 1:05 to 2:05

3- 2:05 to 3:05

4 - 3:05 to 4:05

5- 4:05 to 5:05

6- 5:05 to 6:05

10 - 5 = 5

6 hours and 5 mins

4 + 6 = 10 hours

1 + 5 = 6 mins

10 hours and 6 minutes

6 0
3 years ago
How would you replace 27/50 with the nearest half or whole number without using a number line?
irina1246 [14]
25/50 = 1/2 soooooooooooooooooooooooooooooooooo
8 0
3 years ago
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