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Vilka [71]
3 years ago
8

PLEASE HELP ASAP!!

Mathematics
1 answer:
SpyIntel [72]3 years ago
7 0
C. 0 _________________
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To solve the equation 2x−3=3x−7 , Esin graphs the functions f(x)=2x−3 and g(x)=3x−7 on the same set of coordinate axes.
Alecsey [184]
We have that

<span>f(x)=2x−3
g(x)=3x−7

2x-3=3x-7-------------> 3x-2x=-3+7-------> x=4 
find the value of f(x) or g(x) for x=4
</span>f(x)=2x−3 ------->  f(4)=2*4-3------> f(4)=5
<span>the solution is the point (4,5)

using a graph tool
see the attached figure

</span><span>statement

case a) </span><span>The solution of the equation cannot be found graphically. Esin should solve the equation algebraically.
this is not correct

case b) </span><span>The solution of the equation is the y-intercept of the linear equations.
</span>this is not correct

case c)<span>The solution of the equation is the x-coordinate of the ordered pair where the graphs of the two functions intersect.
</span>this is correct

case d) <span>The solution of the equation is the y-coordinate of the ordered pair where the graphs of the two functions intersect
this is not correct

the answer is 
</span>case c) The solution of the equation is the x-coordinate of the ordered pair where the graphs of the two functions intersect.

8 0
3 years ago
Find the value of n in this equation.
lisabon 2012 [21]

Answer:

  • D. 9

=========================

<h2>Given </h2>

Triangle with:

  • Base of n² -3,
  • Midsegment of 39.

<h2>To find</h2>

  • The value of n.

<h2>Solution</h2>

As per definition of midsegment, it is connecting the midpoints of two sides and its length is half the length of the opposite side of the triangle.

So we have:

  • (n² - 3)/2 = 39

Solve it for n:

  • n² - 3 = 78
  • n² = 81
  • n = √81
  • n = 9

Correct choice is D.

3 0
1 year ago
Show all work and provide necessary descriptions
masya89 [10]

Let

P=(P_x,P_y),\quad Q=(Q_x,Q_y)

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

M=\left(\dfrac{P_x+Q_x}{2},\ \dfrac{P_y+Q_y}{2}\right)

We can solve this expression for the coordinates of Q:

M_x = \dfrac{P_x+Q_x}{2} \implies Q_x = 2M_x-P_x

M_y = \dfrac{P_y+Q_y}{2} \implies Q_y = 2M_y-P_y

Plug in the values for the coordinates of M and P to get

Q_x = 2M_x-P_x = 2\cdot 5-11 = 10-11=-1

Q_y = 2M_y-P_y = 2\cdot (-2) - (-10) = -4+10=6

5 0
3 years ago
Someone please help, i don't understand
Mars2501 [29]
Y=-2x+0 haahahaha hope i helped i think
4 0
3 years ago
Read 2 more answers
PLEASE HELP ME OUT M
luda_lava [24]

Answer:

what?

Step-by-step explanation:

7 0
3 years ago
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