Kiabowden1495 Kiabowden1495
  • 20-05-2020
  • Mathematics
contestada

In this question , all lengths are in centimetres. AB= 3x-4,AC=2x+12,BC=7x-2.given AB:AC=1:2 show that AC:BC=2:3

Respuesta :

josephdavisgaming200
josephdavisgaming200 josephdavisgaming200
  • 20-05-2020

Answer:

AX : XB as AB : AC

AX = 5

XB = 4

AC = 6

AB = x

Step-by-step explanation:

5 : 4 as to x : 6

ratios can also be written as fractions...

5/4 = x/6 ..now we have a proportion...so we cross multiply

(4)(x) = (5)(6)

4x = 30

x = 30/4

x = 15/2 <==== AB = 15/2

Answer Link
s523792184
s523792184 s523792184
  • 20-05-2020

Answer:

c on edg...

Step-by-step explanation:

Answer Link

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