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MissTica
3 years ago
7

What is the approximate distance between points A and B?

Mathematics
2 answers:
shepuryov [24]3 years ago
7 0

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-2}~,~\stackrel{y_1}{-3})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[1-(-2)]^2+[4-(-3)]^2}\implies d=\sqrt{(1+2)^2+(4+3)^2} \\\\\\ d=\sqrt{9+49}\implies d=\sqrt{58}\implies d\approx 7.62

Licemer1 [7]3 years ago
5 0

Answer:

7.62 units

Step-by-step explanation:

We are given that

The coordinates of point A is at (1,4).

The coordinates of point B is at (-2,-3).

We have to find the approximate distance between A and B.

Distance formula:\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Using this formula we will find the distance between  A and B.

AB=\sqrt{(-2-1)^2+(-3-4)^2}

Distance between A and B=\sqrt{49+9}=\sqrt{58}

Distance between A and B=7.62 units

Hence, the approximate distance between points A and  B=7.62 units

Option C is true.

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8 0
3 years ago
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In a certain​ lottery, you must select 5 numbers​ (in any​ order) out of 26 correctly to win. a. How many ways can 5 numbers be
Step2247 [10]

Answer:

a. 7893600

b.\ \dfrac{1}{26}

Step-by-step explanation:

Given that there are 26 numbers out of which 5 numbers are to be chosen.

Here repetition is not allowed.

For each of the 5 cases, the total number of possibilities will keep on decreasing by 1.

1st case, number of possibilities = 26

2nd case, number of possibilities = 25

3rd case, number of possibilities = 24

4th case, number of possibilities = 23

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b. Probability of winning by choosing one number:

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So, the answers are:

a. 7893600

b.\ \dfrac{1}{26}

5 0
3 years ago
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