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Luba_88 [7]
4 years ago
9

An LCD TV is on sale for 24% off. If the original price was $800, find the sales price.

Mathematics
2 answers:
jekas [21]4 years ago
8 0

Answer:

The sales price is $608.

Step-by-step explanation:

Being on sale for 24% off means that the sales price is 100-24 = 76% of the original price.

This can be solved by a rule of three.

The original price is 800

So

$800 - 1

$x - 0.76

x = 0.76*800 = 608

The sales price is $608.

Cloud [144]4 years ago
3 0

24% = 0.24

multiply that by the price:

800 * 0.24 = 192 ( discount)

800-192 = $608 sale price

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The decreasing​ population, p, of owls in a national park is being monitored by ecologists and is modeled by the equation p=−0.
n200080 [17]

By solving a quadratic equation, it can be verified that

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What is a quadratic equation?

At first it is important to know about equation

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A two degree equation is known as quadratic equation.

Here, a quadratic equation needs to be solved

The decreasing​ population, p, of owls in a national park is being monitored by ecologists and is modeled by the equation p=-0. 4t^2+128t+1,200

For population to disappear, p =0

-0. 4t^2+128t+1,200 = 0\\0.4t^2 -128t - 1200 = 0\\4t^2 - 1280t - 12000 = 0\\4(t^2 - 320 t - 3000) = 0\\t^2 - 320t -3000 = 0\\t = \frac{-(-320)\pm \sqrt{(-320)^2 - 4 \times 1 \times (-3000)}}{2 \times 1}\\t = \frac{320 \pm 338.23}{2}\\t = \frac{320 + 338.23}{2} \ or \ t = \frac{320 - 338.23}{2}\\t = 329.115 \ or \ t = -9.115

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To learn more about quadratic equation, refer to the link-

brainly.com/question/1214333

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7 0
1 year ago
Maria needs 3 1/3 yards of fabric to make a baby quilt, how many yards of fabric will she need to make 8 quilts
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No answer

Step-by-step explanation:

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