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Xelga [282]
2 years ago
8

Find so that the distance between (−2,3) and (,1) is √13

Mathematics
1 answer:
belka [17]2 years ago
7 0

The distance between (-2, 3) and (-5, 1) is √13.

or, the distance between (-2, 3) and (1, 1) is √13.

We know that the length of the line segment connecting any two points represents the distance between them. There is just one line that connects the two points. Therefore, by measuring the length of the line segment that connects the two points, the distance between them can be determined. If (a, b) and (c, d) be two points, then the distance between them is \sqrt[]{(b - a)^{2} +(d- c)^{2} }.

Here, one point is (-2, 3).

Let the other point be (x, 1).

Given that the distance is √13.

Now, \sqrt[]{(x - (-2))^{2} +(1 - 3)^{2} } = \sqrt{13}  

i.e. \sqrt[]{(x + 2)^{2} +( - 2)^{2} } =\sqrt{13}

i.e. \sqrt[]{x^{2}+4x +4 +4 }=\sqrt{13}

i.e. x^{2}+4x +8 =13

i.e. x^{2}+4x + 8- 13=0

i.e.x^{2}+4x -5=0

i.e. x^{2} +5x - x -5=0

i.e. x(x+5)-1(x+5)=0

i.e. (x+5)(x-1)=0

i.e. x=-5,1

So, the point is either (-5, 1) or (1, 1).

Therefore, the required point is either (-5, 1) or (1, 1).

i.e. the distance between (-2, 3) and (-5, 1) is √13.

or, the distance between (-2, 3) and (1, 1) is √13.

Learn more about distance here -

brainly.com/question/431605

#SPJ10

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Answer:

$65.33

Step-by-step explanation:

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Which number can each term of the equation be multiplied by to eliminate the decimals before solving? -m+0.02+2.1m=-1.45-4.81m
Andrews [41]
The number that each term of the equation be multiplied by to eliminate the decimals before solving -m+0.02+2.1m=-1.45-4.81m

It would be better to group all similar numbers.
<span>-m+0.02+2.1m=-1.45-4.81m
</span>-m + 2.1m + 4.81m = -1.45 - 0.02
5.91m = -1.47

The equation shown above, in order for us to eliminate the decimal, 
we need to divide 5.91.



4 0
3 years ago
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Which is a sum of cubes?<br><br> a3 + 18<br> a6 + 9<br> a9 + 16<br> a12 + 8
liraira [26]

Answer:

a^12+8

Step-by-step explanation:

let's check all the expressions

1. a^3+18

here 18 is not a perfect cube.

2. a^6+9

here 9 is not a perfect cube.

3. a^9+16

here 16 is not a perfect cube.

4. a^16+8

here 8 is a perfect cube, thus we can write above expression by using laws of exponents as

(a^4)^3+2^3

Thus,  is a sum of cubes.

a^12+8

8 0
3 years ago
Can someone please help
mrs_skeptik [129]

For the points in the parabola, we have:

  • A = (1, 0)
  • B = (3, 0)
  • P = (0, 3)
  • Q = (2, -1).

<h3>How to identify the points on the parabola?</h3>

Here we have the quadratic equation:

y = (x - 1)*(x - 3)

First, we want the coordinates of A and B, which are the two zeros of the parabola.

Because it is already factorized, we know that the zeros are at x = 1 and x = 3, so the coordinates of A and B are:

A = (1, 0)

B = (3, 0).

Then point P is the y-intercept, to get it, we need to evaluate in x = 0.

y = (0 - 1)*(0 - 3) = (-1)*(-3) = 3

Then we have:

P = (0, 3)

Finally, point Q is the vertex. The x-value of the vertex is in the middle between the two zeros, so the vertex is at x = 2.

And the y-value of the vertex is:

y = (2 - 1)*(2 - 3) = 1*(-1) = -1

So we have:

Q = (2, -1).

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6 0
2 years ago
Given the domain {-4, 0, 5}, what is the range for the relation 12x, + 6y = 24?
Alinara [238K]

↣ Substitute all domains in the equation for the ranges.

12x+6y=24    

2x+y=4     ↣ Divide the whole equation by 6.

↣ Substitute x = -4 in the equation.

2(-4)+y=4\\-8+y=4\\y=4+8\\y=12

Our range is 12 when x = -4. In the choice there is only one choice that has range value as 12. Therefore, the answer is B.

↣ <em>If you want me to solve for all ranges then you can reply under this. Since there is only one choice that has 12 as range value, I decide not to continue. So If you want me to solve for all ranges then feel free to reply under this. ↣</em>

7 0
3 years ago
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