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11Alexandr11 [23.1K]
3 years ago
14

Which value satisfies the inequality 5x + 7 ≤ 8x - 3 + 2x?

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
6 0
5x + 7 < = 8x - 3 + 2x
5x + 7 < = 10x - 3
7 + 3 < = 10x - 5x
10 < = 5x
10/5 < = x
2 < = x...or x > = 2
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What is the solution set for the equation (x+3)(x-8)=0
STALIN [3.7K]

Answer:

x = -3        x=8

Step-by-step explanation:

(x+3)(x-8)=0

Using the zero product property

x+3 =0   x -8 = 0

x = -3        x=8

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3 years ago
A dolphin jumps out of the water with an initial velocity of 20 feet per
Ivanshal [37]

Answer:

1.6 Seconds

Step-by-step explanation:

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A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods trai
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The length of the goods train is 270 meters.

Given that, a goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds.

<h3>What is the distance formula with speed and time?</h3>

Speed is defined as the rate at which an object moves from one place to another in a given interval of time. It is a scalar quantity as it defines only the magnitude not the directions of an object moving. The S.I. unit of speed is m/s.

The speed of a moving object can be calculated as Speed = Distance / Time.

Now, to convert km/h to m/sec multiply the measure by 5/18.

That is, 72 × 5/18 = 20 m/sec

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⇒x=270 meters

Therefore, the length of the goods train is 270 meters.

To learn more about the speed visit:

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5 0
1 year ago
please help! Triangle PQR is in a coordinate plane. The triangle is reflected across the y–axis and then translated 11 units lef
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Step-by-step explanation:

Triangle PQR is in a coordinate plane. The triangle is reflected across the y–axis and

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Angle P has the same measure as angle P'. T or F

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IF RIGHT PLZ GIVE BRAINLIEST  

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HAVE A GREAT DAY AND BE SAFE :)

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3 years ago
(X^2-2x+1)/x^2-x how do you simplify and divide this rational expression
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\frac{X^2-2x+1}{x^2-x} = \frac{(x-1)(x-1)}{x(x-1)} = \frac{x-1}{x}
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