sanaalrahwanji sanaalrahwanji

02-12-2020
Mathematics

contestada

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

In this question all lengths are in centimetres Given AB AC 12 AB 3x4 AC 2x 12 show that AC BC 23 BС 7X2 class=

Respuesta :

09-01-2021

Answer:

Step-by-step explanation:

AB/AC =1/2

(3x-4)/(2x+12)=1/2

2(3x-4) = 1(2x+12)

6x-8=2x+12

4x=20

X=5

AC/BC =3x-4/7x-2=22/33=2/3

AB/AC=3x-4/7x-2=22/33=2/3

AB/AC=3x-4/2x+12

6x-8=2x+12

You would get 4/5 still trying to work out the last mark

Answer Link

Otras preguntas

Choose the appropriate step(s) to prepare for the birth of a newborn <32 weeks gestation

Solve the following equation for X: 6(4x+5)=3(X+8)+3 round to the nearest hundred

can someone help me? i really need it :)

Why was smallpox so devastating for the native americans but not for the Europeans?

Write a story based on this list.

The following table represents the annual sales of a bakery for the last 7 years since the grand opening

If phobia means fear, what is a hydrophobic person afraid of? Question 5 options: Spiders Closed spaces Water Fire

Solve this system of equations X=y+2 2y-3x=15

keep answering my questions for lots of points answer and you can win brainlist

Find the area of this triangle, round to the nearest tenth