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USPshnik [31]
3 years ago
10

PLEASE HELP!!!!!! ILL GIVE BRAINLIEST *EXTRA 40 POINTS** !! DONT SKIP :((

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0

Answer:

Yes (2,3) is a solution to this system of equations

Step-by-step explanation:

(x,y) (2,3) so x=2 y=3

3=3

3=2+1

Equations are true so it's a solution

mezya [45]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

Substitute  2+1=3

                 3=3

Equal means solution

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Brian wrote this expression to describe the total distance he was going to hike in two weeks.
Anit [1.1K]
A would be the answer because Brain might not have been paying attention to the miles so he adds a to the 5 miles he walked the next week.
6 0
3 years ago
If BD bisects ABC, m DBC =79 and ABC = (9x-4) find the value of x
zimovet [89]

Answer:

x=18

Step-by-step explanation:

set up the equation:

DBC+DBC=ABC

79+79=(9x-4)

Simplify both sides of the equation.

79+79=9x−4

79+79=9x+−4

(79+79)=9x−4(Combine Like Terms)

158=9x−4

158=9x−4

Flip the equation.

9x−4=158

Add 4 to both sides.

9x−4+4=158+4

9x=162

Divide both sides by 9.

9x /9  =  162 /9

x=18

3 0
3 years ago
How would you draw a counterexample to this?
NeX [460]
Melanie said: 
Every angle bisector in a triangle bisects the opposite side perpendicularly.

A 'counterexample' would show an angle bisector in a triangle that DOESN'T
bisect the opposite side perpendicularly.

See my attached drawing of a counterexample.

Both of the triangles that Melanie examined have equal sides on both sides
of the angle bisector.  That's the only way that the angle bisector can bisect
the opposite side perpendicularly.  Melanie didn't examine enough different
triangles.

6 0
3 years ago
Does anyone know about this?:)
lina2011 [118]

Answer:

1. 148

2. 17

Step-by-step explanation:

1. m<FEC + m<CED = m<FED

  32      +       m<CED    =  180

  m<CED = 180 - 32

  m<CED = 148

2. m<CEA + m<AED = m<CED

(6x - 20) + (3x + 18) = 151

9x - 2 = 151

9x = 153

x = 17

4 0
3 years ago
Read 2 more answers
Rewrite the following equation in standard form.<br> y = 10x + 2
Naddika [18.5K]

Answer:  -10x + 1y = 2

Step-by-step explanation:

The standard formula says that  Ax + By = C   where A is the coefficient of the x variable, B is the coefficient of the y variable, and C is the constant value.

   y = 10x + 2   Subtract 10x from both sides of the equation .

-10x     -10x

-10x + 1y = 2  

6 0
3 years ago
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