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scZoUnD [109]
3 years ago
11

What is the distance between the points (38, 30) and (14, 20)

Mathematics
2 answers:
Brums [2.3K]3 years ago
6 0
Here's a formula to slove ur problem
√(x₁-x₂) +(y₁-y₂)
=√(38-14) +(30-20)
=√24+10
=√34
Fofino [41]3 years ago
3 0
p(a \: \: b) \: \: \: \: q(c \: \: d) \\ distance \: p \: q = \\ \sqrt{ {(a - c)}^{2} + {(b - d)}^{2} } \\ so.... \\ \sqrt{ {(38 - 14)}^{2} + {(30 - 20)}^{2} } =  26
hope this would help you
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Describe a relationship that can be modeled by the function represented by the graph, and explain how the function models the re
GuDViN [60]

The graph is a decreasing exponential graph.

<h3>How to illustrate the information?</h3>

Part A: The given graph is decreasing the exponential graph since the graph is decreasing rapidly as the value of x is increasing the value of y is decreasing very rapidly.

Part B: The graph shown here is maybe the case of any electric appliance which is of cheap quality. The time when it is brought then its performance and its life is awesome after that its life is decreasing rapidly.

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4 0
1 year ago
Which ordered pair is a solution of the equation?
DedPeter [7]

9514 1404 393

Answer:

  B. only (-2, 9)

Step-by-step explanation:

A graph of the equation makes it easy to see that (-2, 9) is a solution and (2, -9) is not.

You can try these values of x in the equation to see what the corresponding y-values are.

  y = -2{-2, 2} +5 = {4, -4} +5 = {9, 1}

Points on the line are (-2, 9) and (2, 1).

(2, -9) is not a solution.

5 0
2 years ago
Please help will give brainliest thank you
Harman [31]

Answer:

2/8 Green

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Since the green has two sections on the spinner it has two chances out of 8 to be landed on.

7 0
3 years ago
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A taxi driver service charges you $1.50 plus $0.60 per minutenfor a trip to the airport.The distance to the airport is 10 miles,
Schach [20]
The ride to the airport took 20 minutes.
6 0
3 years ago
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"A 12​-foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from t
Svet_ta [14]

Answer:

Step-by-step explanation:

The question has typographical errors. The correct question is:

"A 12​-foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the building at 3 ​feet/second, how fast is the top of the ladder moving down when the foot of the ladder is 5 feet from the​ wall?

Solution:

The ladder forms a right angle triangle with the ground. The length of the ladder represents the hypotenuse.

Let x represent the distance from the top of the ladder to the ground(opposite side)

Let y represent the distance from the foot of the ladder to the base of the wall(adjacent side)

The bottom of the ladder is sliding along the pavement directly away from the building at 3ft/sec. This means that y is increasing at the rate of 3ft/sec. Therefore,

dy/dt = 3 ft/s

The rate at which x is reducing would be

dx/dt

Applying Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side², it becomes

x² + y² = 12²- - - - - - - -1

Differentiating with respect to time, it becomes

2xdx/dt + 2ydy/dt = 0

2xdx/dt = - 2ydy/dt

Dividing through by 2x, it becomes

dx/dt = - y/x ×dy/dt- - - - - - - - - - 2

Substituting y = 5 into equation 1, it becomes

x² + 5 = 144

x² = 144 - 25 = 119

x = √119 = 10.91

Substituting x = 10.91, dy/dt = 3 and y = 5 into equation 2, it becomes

dx/dt = - 5/10.91 × 3

dx/dt = - 1.37 ft/s

7 0
3 years ago
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