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2 years ago

10

Each week, the price of oranges at the farmer's market increases by 20%. The price of oranges this week is 2.50 What was the pri

ce last week

2 answers:

yarga [219]2 years ago

3 0

The price last week was $2.08

Nitella [24]2 years ago

3 0

Answer:4.50

Step-by-step explanation:

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Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?

jeka94

by Quadratic formula , $x^2 + 20 = 2x$ , values of x are $x = 1 \pm (1)i\sqrt{19}}$ . None of mentioned options are correct according to question!

<u>Step-by-step explanation:</u>

Here we have , expression x2 + 20 = 2x or , $x^2 + 20 = 2x$ .

We know that Quadratic formula is :

$x = \frac{-b \pm \sqrt{b^{2}-4ac}}{2a}$

$x^2 + 20 = 2x$

⇒ $x^2-2x+20=0$

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Putting this value in equation $x = \frac{-b \pm \sqrt{b^{2}-4ac}}{2a}$ :

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⇒ $x = \frac{2 \pm \sqrt{4-80}}{2}$

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⇒ $x = 1 \pm (1)i\sqrt{19}}$

Therefore , by Quadratic formula , $x^2 + 20 = 2x$ , values of x are $x = 1 \pm (1)i\sqrt{19}}$ . None of mentioned options are correct according to question!

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3 years ago

you find a jacket whose price is $117.95 which is on sale with a 30% discount. what is the sale price?

Radda [10]

Answer:

Discount: $47.99 the 30 % off

Sale Price: $111.99 the final price

hope this helps

Step-by-step explanation:

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2 years ago

Read 2 more answers