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3 years ago

Last math problem of the night! Help?? Will give extra points!

Mathematics

1 answer:

noname [10]3 years ago

8 0

3y = -x + 3

y= (-1/3)x + 1

perpendicular: 3

y + 1 = 3(x - 6)
y + 1 = 3x - 18

y = 3x - 19

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How many solutions does this equation have?

kozerog [31]

Hello from MrBillDoesMath!

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Discussion: I did a double take on this one but the left hand is

a + 3 + 2a = 3a +3

and the right hand side is

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2 years ago

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Calculating area of rectangle

PSYCHO15rus [73]

Answer:

$Area = 216.108cm^2$ --- You

$Area = 216.940cm^2$ --- Another student

Reason: Because there is a variation in the given dimensions

Step-by-step explanation:

Given

Your measurement

$Length = 20.70cm; Width =10.44cm$

Another students'

$Length = 20.74cm; Width =10.46cm$

Solving (a): The area

Area is calculated as:

$Area = Length * Width$

For you

$Area = 20.70cm * 10.44cm$

$Area = 216.108cm^2$

For the other student

$Area = 20.74cm * 10.46cm$

$Area = 216.940cm^2$

Solving (b): Reason for the variation in the areas

The given measurements are estimates of the dimensions of the rectangle.

Since there is a variation in the estimates, there will be some level of variation in the calculated area.

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2 years ago

Last math problem of the night! Help?? Will give extra points! ​

Last math problem of the night! Help?? Will give extra points!