3 years ago

Write an algebraic expression

Mathematics

2 answers:

levacccp [35]3 years ago

4 0

Answer:

18 1/2w + 5t= total cost

Step-by-step explanation:

Dennis_Churaev [7]3 years ago

3 0

5t + 18 1/2 = total cost

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If something(1 litecoin) is $130 and I buy $90 of it how much of that coin do I own?

defon

Answer:

69.23%

Step-by-step explanation:

$\frac{90}{120}$ × 100

=69.23

∴ You would own 69.23% of the litecoin

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3 years ago

A student was given the equation x^2+2x-16=0 to solve by completing the square. The first step that was written is shown below.

AlexFokin [52]

Answer:

$x_{1}=-1+\sqrt{17},\:x_{2}=-1-\sqrt{17}$

Step-by-step explanation:

Quadratic Equation Given:

$x^2+2x-16=0$

$x^2 + 2x=16$

$c=\left( \frac{b}{2} \right)^2$

$x^2 + 2x+1=16+1$

$(x+1)^2=17\\$

$x+1=\pm \sqrt{17} \\$

$x=-1 \pm \sqrt{17} \\$

$x_{1}=-1+\sqrt{17},\:x_{2}=-1-\sqrt{17}$

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3 years ago

The price of a new SMART television was reduced from $250 to $200. By what percentage was the price of the television reduced?

Novosadov [1.4K]

Answer:

20%

Step-by-step explanation:

if the 100% of the price is $250 and the discount is $50 then to find what percent $50 we multiply 100 by 50 then divide it with 250

100 × 50 ÷ 250 = 20

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3 years ago

What is the smallest fraction for 3/6

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$\frac{3}{6} =\frac{3\times1}{3\times2} =\boxed{\bf{\frac{1}{2}}}$

3/6 in the smallest fraction, otherwise known as simplest form, is 1/2.

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Explain how we do decimals plus Fractions

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Answer:

You have to either make the fraction a decimal, or you have the decimal a fraction. Also when making it into a fraction, you should have the same denominator.

Step-by-step explanation:

I hope this helped.

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