3 years ago

Given that triangle abc ~ def, solve for x A.6 B.3 C.2 D.4

Mathematics

2 answers:

kipiarov [429]3 years ago

6 0

ABC and DEF are similar

AB/AC = DE/DF

30/24 = 5/x

30x = 24 * 5

30x = 120

x = 4

Answer

x = 4

harkovskaia [24]3 years ago

3 0

The answer to your question is D

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3 years ago

Find the TWO integers whos product is -12 and whose sum is 1<br>

julsineya [31]

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$\rm Numbers = 4 \ and \ -3.$

Step-by-step explanation:

Given :-

The sum of two numbers is 1 .

The product of the nos . is 12 .

And we need to find out the numbers. So let us take ,

First number be x

Second number be 1-x .

According to first condition :-

$\rm\implies 1st \ number * 2nd \ number= -12\\\\\rm\implies x(1-x)=-12\\\\\rm\implies x - x^2=-12\\\\\rm\implies x^2-x-12=0\\\\\rm\implies x^2-4x+3x-12=0\\\\\rm\implies x(x-4)+3(x-4)=0\\\\\rm\implies (x-4)(x+3)=0\\\\\rm\implies\boxed{\red{\rm x = 4 , -3 }}$

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3 years ago