3 years ago

If AB = 2x–8 and AC = x+9, What is the length of BC?

Mathematics

2 answers:

Virty [35]3 years ago

4 0

Answer:

Step-by-step explanation:

2x-8=x+9

x=17

scZoUnD [109]3 years ago

3 0

ANSWER

BC=17 units

EXPLANATION

The given triangle is an isosceles triangle.

We have

AC=AB

This implies that,

$x + 9 = 2x - 8$

Group similar terms and simplify to get:

$2x - x = 9 + 8$

$x = 17$

Side BC is x units. But x=17

Therefore BC is 17 units.

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Mademuasel [1]

Answer: The annual interest rate r= 8%

Step-by-step explanation:

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