2 years ago

6 b 2 a 6 same result

Mathematics

1 answer:

Luba_88 [7]2 years ago

8 0

Answer:

go to this link

Step-by-step explanation:

Videos

2:41

Manipulating expressions using structure (example 2) (video)

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Ram is 3 times old as his son and the sum of their age is 48.how old is each?

stich3 [128]

Answer:

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Step-by-step explanation:

x+3x=48

4x=48

divide by 4

x=12

48-12=36

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What is the equation of the line perpendicular to the line y=3x+2 and passing through the point (3, -4)

aleksklad [387]

Answer:

Step-by-step explanation:

$(3, -4)=(x,y)\\y=3x+2\\\\m_1 =3\\In\: perpendicular\: line ;\\\\m_2 = \frac{-1}{m_1} \\m_2 = \frac{-1}{3} \\m_2 = -1/3\\\\Substitute \:new\:values\:into\: ;y=mx+b\\\\-4 = -\frac{1}{3} (3) + b\\-4 = -1 +b\\-4+1 =b\\-3 =b\\Substitute \:new\:values\:into\: ;y=mx+b\\y =-\frac{1}{3}x -3$