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andrey2020 [161]
3 years ago
15

Can you work out 12.80 divided by 40

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0
One of the easiest ways to do it is to divide 12.80 by 10 and then divide the result by 4:

12.80 / 10 = 1,28
1,28 / 4 = 0,32

I hope it will help you :)
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write an equation for the line that is perpendicular to the given line and passes through the given point y-3=8/3(x+2);(-2,3)
Stolb23 [73]

Answer:

y-3=-\frac{3}{8} (x+2)

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point (8,1) and a slope from the equation. We will chose point-slope since we have a point and slope.

Point slope:y-y_1=m(x-x_1)

m\neq \frac{8}{3} in our new equation because it is perpendicular to it. This means we will need to change it into its negative reciprocal which is m=-\frac{3}{8}.

We will substitute m=-\frac{3}{8} and x_1=-2\\y_1=3.

y-3=-\frac{3}{8} (x-(-2))

y-3=-\frac{3}{8} (x+2)

This is the equation of the line perpendicular to the equation given that crosses through (-2,3).

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4 years ago
The first number is equal to 4 times the second number, the difference of the number is 12, what are the two numbers?
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substituting the value of x in 2nd case

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Is this actually a Mathematics question?
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Yes the answer is true.
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