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

Maria needs to fill an empty storage container with wooden cubes measuring 2 cm across each face. The container is in the shape of a cube 10 cm wide. How many

Based on the context of each sentence, choose the word that most closely matches the denotation of the word in quotations. Tiles denounce quaint nuance inclinat

In two to three paragraphs, compare and contrast digital audio vs. analog

Help! Will give brainliest

write an expression using Distributive property to find the product of 7 x 63?

Which region(s of a gene are not found within the mrna transcript?

Which country joined Poland to form a powerful federation?

You can't take the square root of a negative number true or false

Explain which are of the brain you think might light up to show that you are telling a lie and why

How is the number e defined?