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IrinaK [193]
3 years ago
12

I need help math please

Mathematics
1 answer:
iVinArrow [24]3 years ago
6 0
Positive linear association !
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Find the number of steel ball bearings, each of diameter 0.7 cm, that can be made from 1kg of steel, given that 1cm cubed of ste
liq [111]

Answer:

Ball Bearing Volume = (4 / 3) * PI * radius ^3

Volume = (4 / 3) * 3.14159265 * (.35)^3

Volume = (4 / 3) * 3.14159265 * 0.042875

Volume = 0.17959438 cc

1 cc of steel = 7.8 g

Volume of 1 kg of steel = 1,000 cc / 7.8 g per cc

1 kg = 128.205 cc

Number of ball bearings we can make = 128.205 / 0.17959438

Equals 713.86

Step-by-step explanation:

7 0
3 years ago
Write an equation of the parallel to 5x-6y=10 through the point (-6,-1) show all work
ioda

5x-6y=10

-5x       -5x

-6y=-5x + 10

y-yV1=m(x-xV1)

y+1 = -5 (x+6)

destribute the -5 to the parinthease.

y+1 = -5x - 30

 -1            -   1

y= -5x -31

5 0
4 years ago
The points (8,2) and (9,10) fall on a particular line. What is its equation in point-slope form?
scZoUnD [109]

Answer:

y - 10 = 8(x-9)

Step-by-step explanation:

m= (10-2)÷(9-8) =8

y-y1 = m(x-x1)

y-10 = 8(x-9)

4 0
3 years ago
Write the equation of a linear function that satisfies f(0) = 7.
Annette [7]

Answer:

y= x+7

Step-by-step explanation:

plug in 0 to x and get 7  for y

7 0
3 years ago
Hunter is playing a video game where each round lasts ¾ of an hour. He has scheduled 3 hours to play video games. How many round
NemiM [27]

Answer:

4

45×4=180

this needs to be 20 characters long

3 0
3 years ago
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