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IceJOKER [234]
3 years ago
9

Solve this please? ??

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0
Hmm the answer is yes it is a line segmeny
MakcuM [25]3 years ago
5 0
Hi pupil here's your answer ::

_____________________________

please see the attached answer

In this the method is that we know that
a straight line has a 180° measurement
so ever angel of 180°is a line so AOB is a line

_____________________________

hope that it helps. . . . . . .
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Solve the following System Of Equations Using Substitution or Elimination Methods. Show Work.
Ostrovityanka [42]

Answer:

There are two pairs of solutions: (2,7) and (-1,4)

Step-by-step explanation:

We will use substitution.

y = x^2 + 3

y = x +5

Since the second equation is equal to y, replace y in the first equation with the second equation.

y = x^2 + 3

x + 5 = x^2 + 3

Rearrange so that one side is equal to 0.

5 - 3 = x^2 - x

2 = x^2 - x

0 = x^2 - x - 2

You may use quadratic formula or any form of factoring to find the zeros (x values that make the equation equal to 0).

a = 1, b = -1, c = -2

Zeros = \frac{-b + \sqrt{b^{2}-4ac }  }{2a} and \frac{-b - \sqrt{b^{2}-4ac }  }{2a}

Zeros = 2 and -1

Now that you have your x values, plug them into the equations to find their corresponding y values.

y = x^2 + 3

y = (2)^2 + 3

y = 7

Pair #1: (2,7)

y = x^2 + 3

y = (-1)^2 + 3

y = 4

Pair #2: (-1,4)

Therefore, there are two pairs of solutions: (2,7) and (-1,4).

8 0
2 years ago
Could someone please help me on this
leonid [27]
The dependent variable would be b (affected by the change of n) and the independent variable would be n (affects b). The equation would be
b = 12n.
3 0
3 years ago
in a football tournament at group stage there are five football teams in a group, Brazil, England, Scotland, Argentina and Franc
emmasim [6.3K]

Answer:

6/25

Step-by-step explanation:

Because england, scotland and france are european team and they make up 3/5 of all the teams, you multiply 3/5 by 2/5 because the south american teams are brazil and argentina which make up 2/5 of the total teams. So the probability that a european team will play a south american team is 3/5*2/5 which is 6/25

7 0
3 years ago
KX equals X +4 find K7
Andre45 [30]
KX = x+4 so solve for k. 
Divide both sides of the equation by x and you get K=4. 
Plug it in, and you get (4)(7)=28
Your answer is 28.
5 0
3 years ago
Solve the given inequality and SHOW YOUR WORK<br> -2x + 3 &lt; 5
natita [175]

-2x<5-3

-2x<2

divide both sides by -2

x<-1

remember +/-=-

that's why it's a negative answer

4 0
3 years ago
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