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

Otras preguntas

What did the United States use to overcome the threat of German u boats
what traits did Medieval Europe as compared with the Roman Empaire during this era
how has rev . hale 's attiuted changed since act one
A new member of the kitchen staff wanted to save time throughout a busy Friday night. He brought out a large quantity of smoked salmon and yogurt from the refri
Read the excerpt from "The Yellow Wallpaper." If a physician of high standing, and one’s own husband, assures friends and relatives that there is really nothing
Facts about homogeneous mixtures
if y=80 when x=32 find x when y=100
Mercury-203 undergoes beta minus decay. The subscript in the nuclide notation, Hg, is _____. 203 (?) Hg →? The element symbol produced is _____. It has a mass n
I need help ASAP!! please!!
Which part of the human skeletal system is INCORRECTLY matched with its function? A) bones:protection B) joints:flexible movement C) muscle:bone to