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ddd [48]
3 years ago
5

What is the distance between the points (0,5) and (8,0)?

Mathematics
1 answer:
sineoko [7]3 years ago
5 0

Answer:

\sqrt{89}

Step-by-step explanation:

distance = \sqrt{(x_{2}- x_{1})^{2}   + { (y_{2} - y_{2}  } ){^2}  }

Let:

(x₁ , y₁) = (0 , 5)

(x₂ , y₂) = (8 , 0)

Plug in the corresponding numbers to the corresponding variables:

Remember to follow PEMDAS. Solve the parenthesis first:

distance = \sqrt{(8- 0)^{2}   + { (0 - 5  } ){^2}  }

distance = \sqrt{(8)^2 + (-5)^2}

Solve for the powers next:

distance = \sqrt{(8)^2 + (-5)^2}

distance = \sqrt{64 + 25}

Simplify:

distance = \sqrt{64 + 25}

distance = \sqrt{89}

~

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Alexeev081 [22]
Total distance John drove=450 miles
total time=8 hours
let the number of hours he drove on highway be x, number of hours he drove on turnpike will be (8-x) hours
since
distance=speed*time
distance traveled in highway=50x
distance traveled in turnpike=60(8-x)
thus the total distance will be:
50x+60(8-x)=450
simplifying the above
50x+480-60x=450
-10x=450-480
-10x=-30
thus
x=3 hours
Thus he drove on highway for 3 hours.
3 0
3 years ago
Solve & Justify: 3(5x + 2) = 2(3x - 6)
Zanzabum

Answer:

-2

Step-by-step explanation:

15x+6=6x-12

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7 0
3 years ago
Assume that when adults with smartphones are randomly​ selected, ​57% use them in meetings or classes. If 8 adult smartphone use
vovikov84 [41]

Answer:

≈ 0.2526

Step-by-step explanation:

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  • 8C4 = 8!/(4!(8-4)!)= 8*7*6*5/(1*2*3*4)= 70

<u>Success factor is: </u>

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<u>and failure factor is: </u>

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<u>Probability:</u>

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6 0
3 years ago
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Answer:

4:1

Step-by-step explanation:

just divide by the highest numbe 2 in this case

6 0
3 years ago
The scale model of a skyscraper being built is 4.2 feet tall.
BigorU [14]
A. Convert 4.2 feet to meters. 4.2 feet = 1.28016 meters. The Formula of Scale  = Big / Small
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7 0
3 years ago
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