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3 years ago

You save 200 on your new laptop. If this was a 25% savings from the original price, find the the original cost

Mathematics

1 answer:

Natalka [10]3 years ago

5 0

Hey there!!

Let's take the original price of the laptop as $x

Savings you get = $200

This save of $200 is 25% of the original price

If we have have this into an equation..

( 25% ) ( x ) = 200

25% = 25 percent

this would become 25 / 100

Remember =

Per cent = 100

1 dollar = 100 cents , like wise , cent = 100

Moving back on,

( 25 / 100 ) ( x ) = 200

Simplifying 25 / 200

= 1 / 4

( 1 / 4 ) ( x ) = 200

x / 4 = 200

Multiplying by 4 on both sides

x = 800

The original cost = $800

Hope my answer helps!

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2 years ago

You spin the spinner and flip a coin. Find the probability of the compound event.

Mademuasel [1]

Answer:

The probability of spinning an even number and flipping heads is 1/4

Step-by-step explanation:

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A spinner that has 1 of each number, 1-6

Total events =12

(1,H),(2,H),(3,H),(4,H),(5,H),(6,H)

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3 years ago

The base edge of an oblique square pyramid is represented as x cm. If the height is 9cm, what is the volume of the pyramid in te

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A is correct:

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4 years ago

Read 2 more answers

The function H(t) = −16t2 + 60t + 95 shows the height H(t), in feet, of a projectile after t seconds. A second object moves in t

EleoNora [17]

H(t) = -16t² + 60t + 95
g(t) = 20 + 38.7t

h(1) = -16(1²) + 60(1) + 95 = -16 + 60 + 95 = -16 + 155 = 139
h(2) = -16(2²) + 60(2) + 95 = -16(4) + 120 + 95 = -64 + 215 = 151
h(3) = -16(3²) + 60(3) + 95 = -16(9) + 180 + 95 = -144 + 275 = 131
h(4) = -16(4²) + 60(4) + 95 = -16(16) + 240 + 95 = -256 + 335 = 79

g(1) = 20 + 38.7(1) = 20 + 38.7 = 58.7
g(2) = 20 + 38.7(2) = 20 + 77.4 = 97.4
g(3) = 20 + 38.7(3) = 20 + 116.1 = 136.1
g(4) = 20 + 38.7(4) = 20 + 154.8 = 174.8

Between 2 and 3 seconds.
The range of the 1st object is 151 to 131.
The range of the 2nd object is 97.4 to 136.1

h(t) = g(t) ⇒ 131 = 131

It means that the point where the 2 objects are equal is the point where the 1st object is falling down while the 2nd object is still going up.

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4 years ago

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Mrac [35]

I hope this helps you

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3 years ago

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