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lora16 [44]
3 years ago
6

Please someone help me ​

Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0

Answer:

um you cant do this like that dude

Step-by-step explanation:

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The perimeters of similar triangles are in the same ratio as the corresponding sides
wariber [46]

Answer:

Always

Step-by-step explanation:

Suppose you have triangle ABC with side lengths a, b, c. Suppose that is similar to triangle DEF with side lengths d, e, f.

Now, let k be the ratio of corresponding sides ...

  k = d/a

Because the same factor applies to all sides, we also have ...

  k = e/b = f/c

That is, if we multiply by the denominators of each of these fractions, we get ...

  • d = a·k
  • e =b·k
  • f = c·k

The perimeter of ΔABC is ...

   perimeter(ABC) = a + b + c

The perimeter of ΔDEF is ...

  perimeter(DEF) = d + e + f = a·k + b·k + c·k

  perimeter(DEF) = k(a + b + c) = k·perimeter(ABC)

  k = perimeter(DEF)/perimeter(ABC)

That is, the perimeters are in the same ratio as corresponding sides.

3 0
3 years ago
Work out the percentage change when 1.20 is increased to 1.80
exis [7]

Answer:

Step-by-step explanation:

PERCENT CHANGE

The percentage change from 1.20 to 1.80 is 50 %

 

Our percent calculator uses this formula:

((y2 - y1) / y1)*100 = your percentage change

(where y1=start value and y2=end value)

((1.80 - 1.20) / 1.20) * 100 = 50 %

8 0
3 years ago
Show two ways to make $5.25 with 6 coins
Katyanochek1 [597]

Answer:

I dont think you can make $5.25 with six coins

Step-by-step explanation:

4 0
3 years ago
What is the least common multiple of 4.8 and 18?
Levart [38]
What is least common multiple of 4.8 and 18 is 8
3 0
3 years ago
I’m timed !!! Please help
Doss [256]
1,450 because you would plug 75 in for x
f(x)= 20(75)-50
4 0
3 years ago
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