2 years ago

a line segment of length 84cm has been divided into two parts in the ratio 4:3 find the length of each part

Mathematics

1 answer:

Tanzania [10]2 years ago

5 0

Answer:

48 and 36

Step-by-step explanation:

Let the two numbers be 4x and 3x

or4x+3x=84

or, 7x=84

or, x=84÷7

or, x=12

now,

4x=12×4

=48

3x=3×12

=36

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3 years ago

List the steps that should be used to solve the equation f(x) = g(x) by graphing when f(x) = (1/2)² - 3 and g(x) = 3x + 5?

jolli1 [7]

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Step-by-step explanation:

We need to solve the equation f(x)=g(x)

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$f(x)=g(x)\\(\frac{1}{2})^2-3=3x + 5\\\frac{1}{4}-3=3x + 5\\Subtarct\,\,5\,\,on\,\,both\,\,sides:\\\frac{1}{4}-3-5=3x + 5-5\\\frac{1}{4}-8=3x\\Taking\,\,LCm\,\,on\,\,left\,\,side\\\frac{1-8*4}{4}=3x\\\frac{-31}{4}=3x\\Divide\,\,both\,\,sides\,\,by\,\,3\\x=\frac{-31}{4*3}\\x=\frac{-31}{12}$

So, value of x is: $x=\frac{-31}{12}$

The graph will be a straight line x= -2.58 or x = -31/12

Keywords: Composition of Functions

Learn more about Composition of Functions at:

#learnwithBrainly

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3 years ago

a line segment of length 84cm has been divided into two parts in the ratio 4:3 find the length of each part​

a line segment of length 84cm has been divided into two parts in the ratio 4:3 find the length of each part