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andrey2020 [161]

3 years ago

15

Can you work out 12.80 divided by 40

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?

Irina18 [472]

let 1st and 2nd no be x and y respectively

1st case:x=4y

2nd case:x-y=12

substituting the value of x in 2nd case

4y-y=12

3y=12

y=12÷3

y=4

now putting the value of y in 1st case

x=4×4

=16

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3 years ago

Question Which of the following statements are equivalent to the statement "Not all cats do not like having their belly rubbed"?

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Is this actually a Mathematics question?

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A reasonable estimate for the quotient of 900.37 and 29.8 is 30

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Yes the answer is true.

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