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hoa [83]
3 years ago
5

Two long jumpers competed in a world-class track meet. The first athlete jumped a distance of 28.65 feet, and the second athlete

reached a distance of 24.25 feet.
The first athlete jumped...
feet farther than the second athlete.
Mathematics
1 answer:
Alja [10]3 years ago
5 0

Answer:

4.4 feet.

Step-by-step explanation:

Just subtract the lower from the higher jump.

28.65 - 24.25

= 4.4 feet.

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Anna35 [415]
For this case we have the following equation:
 3 \sqrt{x+6}=-12
 Rewriting we have:
 \sqrt{x+6}= \frac{-12}{3}
 \sqrt{x+6}=-4
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 (\sqrt{x+6})^2=(-4)^2
 Rewriting we have:
 x+6=16
 x=16-6
 x=10
 It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
 3 \sqrt{10+6}=-12
 3 \sqrt{16}=-12
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 12=-12
 Answer:
 
The solution is:
 
x=10
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6 0
3 years ago
The expressions that have a value of 180 when b = 4.
klasskru [66]

Answer:

1.  87b−179+957÷87

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Step-by-step explanation:

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2 years ago
(5+x-3)x-3=x-1 what is x?
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You multiple everything in the ( )’s with the number outside of the ( )’s
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Explain the steps in finding the midpoint of the points (-1,2) and (3,-6). The state the midpoint
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Answer:

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Step-by-step explanation:

midpoint x = (x₁ + x₂) / 2

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8 0
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Brainliest right now!!!!
svlad2 [7]
<h3>Answer:</h3>
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  2. B
<h3>Step-by-step explanation:</h3>

1. A decrease of 3.8% is equivalent to a multiplier fraction of -0.038. The only answer choice that has such a multiplier is A.

In an instance such as this, the "rate" is usually some (fractional) change in some period of time. Since the exponent must be unitless, the rate is effectively (some fraction) "per year" so that multiplying by "t" years cancels the units and results in a pure number.

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<em>Comment on the exponential</em>

If the actual change were -3.8% per year, the exponential term would look like (1 - 0.038)^t = 0.962^t. By writing it as e^(-0.038t), the decrease is effectively compounded continuously. As a result, over a year's time, the decrease is actually about 3.73%, not 3.8%.

_____

2. If ║x/2║ is a magnitude function, answer choices B and D are equivalent. Thus, we must assume it is a "greatest integer" function. Then the number of desserts prepared will be ║x/2║, and the corresponding revenue will be 1.2║x/2║. Since x is in minutes, 2 to 4 hours will be 120–240 minutes. The appropriate choice is B.

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