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3 years ago

I need help please and thank you

Mathematics

2 answers:

dalvyx [7]3 years ago

4 0

Answer:

83/100

Step-by-step explanation:

step 1- Address input parameters & values.

Input parameters & values: The decimal number = 0.83

step 2- Write it as a fraction

0.83/1

step 3- Multiply 100 to both numerator & denominator

(0.83 x 100)/(1 x 100) = 83/100

It can be written as 83% = 83/100 or 83/100

step 4- To simplify 83/100 to its lowest terms, find LCM (Least Common Multiple) for 83 & 100.

1 is the LCM for 83 & 100

step 5- As LCM is 1, the fraction can't be factorized further

83/100 is a simplest fraction for the decimal point number 0.83

*hope this helped <3*

Ilia_Sergeevich [38]3 years ago

3 0

Answer:

It is 83/100.

Step-by-step explanation:

1. Notice the decimal numbers. They end in the hundredths place.

2. After acknowledging this you know by this that it will be the decimal over 100, like ??/100.

3. Since the decimal is 0.83, we know that it will be 83 over 100. Solved for 83/100.

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Read 2 more answers

Solve the equation by using the quadratic formula.<br> 3 x squared minus 1 = 7 x

Paladinen [302]

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b. $\frac{7+\sqrt{61} }{6} ,\frac{7-\sqrt{61} }{6}$

Step-by-step explanation:

$3x^{2} -1=7x$

Quadratic equations are suppose to be written as: $ax^2+bx+c=0$

so the new quadratic equation for this problem will be: $3x^{2} -1-7x=0$

Now rearrange the terms: $3x^{2} -7x-1=0$

Then use the Quadratic Formula to Solve for the Quadratic Equation

Quadratic Formula = $x=\frac{-b±}{} \frac{\sqrt{b^2-4ac} }{2a}$

Note: Ignore the A in the quadratic formula

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

$3x^{2} -7x-1=0$

a = 3

b = -7

c = -1

$x=-(-7)±\frac{\sqrt{(-7)^2-4(3)(-1)} }{2(3)}$

Evaluate The Exponent

$x=\frac{7±\sqrt{(49)-4(3)(-1)} }{2(3)}$

Multiply The Numbers

$x=\frac{7±\sqrt{49+12} }{2(3)}$

Add The Numbers

$x=\frac{7±\sqrt{61} }{2(3)}$

Multiply The Numbers

$x=\frac{7±\sqrt{61} }{6}$

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3 years ago