Find the scale figure from A to B.

Mathematics

1 answer:

Lesechka [4]3 years ago

8 0

Answer:

The scale factor is 4/3 or 1.333...

Step-by-step explanation:

We're trying to find how can A go to B

Example: 16 --> 12

16 Divided by 12 = 4/3

$\frac{16}{1}$ ÷ $\frac{12}{1} = \frac{16}{1} * \frac{1}{12} = \frac{16}{12} = \frac{4}{3}$

This will work with other numbers too.

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Which digit represents "hundreds" in the number 8732?

masya89 [10]

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4 0

3 years ago

What are the four consecutive numbers whose sum is 50?

nika2105 [10]

X+x+1+x+2+x+3=50
4x+6=50/-6
4x=50-6=44
x=44:4=11
⇒The 1st number is 11, the 2nd is 12, the 3rd is 13 and the 4th is 14.
_______________________________________________________
11+12+13+14=50

If you don't understand something,please ask me.

4 0

4 years ago

Solve and show steps -2x+y=-7 and -2x-4y=-12

WITCHER [35]

Answer:

(x, y) = (4, 1)

Step-by-step explanation:

The coefficients of x are the same, so we can cancel the x-terms by subtracting one equation from the other. We want to do this so the resulting y-coefficient will be positive. That means we want to subtract the second equation from the first:

(-2x +y) -(-2x -4y) = (-7) -(-12)

5y = 5 . . . . . . . . simplify

y = 1 . . . . . . . . divide by 5

-2x +1 = -7 . . . . . substitute for y in the first equation

-2x = -8 . . . . . subtract 1

x = 4 . . . . . . divide by -2

The solution is (x, y) = (4, 1).

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A graphing calculator easily verifies the solution.