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balandron [24]
3 years ago
7

A value is in the domain of a function if there is a(n)_____ on the graph at the x-value.

Mathematics
1 answer:
ANEK [815]3 years ago
8 0

Answer:

Point

Step-by-step explanation:

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Point B has coordinates ​(​1,2​). The​ x-coordinate of point A is -8. The distance between point A and point B is 15 units. What
Xelga [282]

Answer:

The possible coordinates of point A are A_{1} (x,y) = (-8, 14) and A_{2} (x,y) = (-8, -10), respectively.

Step-by-step explanation:

From Analytical Geometry, we have the Equation of the Distance of a Line Segment between two points:

l_{AB} = \sqrt{(x_{B}-x_{A})^{2} + (y_{B}-y_{A})^{2}} (1)

Where:

l_{AB} - Length of the line segment AB.

x_{A}, x_{B} - x-coordinates of points A and B.

y_{A}, y_{B} - y-coordinates of points A and B.

If we know that l_{AB} = 15, x_{A} = -8, x_{B} = 1 and y_{B} = 2, then the possible coordinates of point A is:

\sqrt{(1+8)^{2}+(2-y_{A})^{2}} = 15

81 + (2-y_{A})^{2} = 225

(2-y_{A})^{2} = 144

2-y_{A} = \pm 12

There are two possible solutions:

1) 2-y_{A} = -12

y_{A} = 14

2) 2 - y_{A} = 12

y_{A} = -10

The possible coordinates of point A are A_{1} (x,y) = (-8, 14) and A_{2} (x,y) = (-8, -10), respectively.

8 0
3 years ago
Right answers plzzzz
Andrew [12]
D.  

a. 

b. 

hope that helped
5 0
3 years ago
Read 2 more answers
-10x-6y=0 -4x -6y=54 find the solution of this system of equations
ad-work [718]

You can see that the term -6y appears in both equations. In this cases, we can leverage this peculiarity and subtract the two equations to get rid of the repeated term. So, if we subtract the first equation from the second, we have

(-4x -6y) - (-10x-6y) = 54-0 \iff 6x = 54 \iff x = 9

Now that we know the value of x, we can substitute in any of the equation to deduce the value of y: if we use the first equation, for example, we have

-10x-6y=0 \iff -10\cdot 9 - 6y = 0 \iff -90-6y=0 \iff 6y = -90 \iff y = -15

7 0
3 years ago
(-13) (-4) işleminin sonucu kaçtır?<br>A -2.<br>B-1<br> 2<br><br>C 1<br> 2<br>D 2​
pentagon [3]

Answer:

69696969696969696969669696969696969696969669

Step-by-step explanation:

That is the answer sister-in-law

7 0
3 years ago
What is the value of M?<br> Step by step explanation thanks!
Free_Kalibri [48]
M = 72

Your main goal in this equation is to isolate m or in other words leave m alone in one side of the equality.

All you need to do is multiply 4 in both sides for you to eliminate the denominator attached to m.

Saying this,

(M/4)(4) = (18)(4)

M = 72
4 0
3 years ago
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