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kifflom [539]
3 years ago
15

A.

Mathematics
1 answer:
MAXImum [283]3 years ago
6 0

Answer:

c

Step-by-step explanation:

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M is directly proportional to r2 <br> When r=2, m=14<br> Work out the value of m when r=12
Genrish500 [490]

we have M is durectly porpotional to r^2

so M=(k)r^2

and when r=2, m=14

so 14=(k)(2)^2

k=14/4 =7/2

so when r=12

m= (7/2)(12)^2 =(7/2)(144) = 504

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3 years ago
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Andrew [12]

Answer:

Any number for x will work

Step-by-step explanation:

6x-3=3(2x-1)

expand

6x-3=6x-3

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Answer:

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x didn't change in value, y changed by 9

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mrs_skeptik [129]
The third answer choice; right triangle.
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Escreva uma equação do 2 grau que tenha: a) - 5 e 3 como raízes. b) x, +x, = 17 x, x = 70, sabendo que x, e x, são as raízes. =
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