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OlgaM077 [116]
3 years ago
7

HELPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
Leokris [45]3 years ago
8 0

Answer:

60?

Step-by-step explanation:

DedPeter [7]3 years ago
3 0

Answer:

x = 60

Step-by-step explanation:

180 - (60 + 60) = x

180 - 120 = x

60 = x

since it is an equilateral triangle (meaning all angles are the same), you can also take 180 and divide it by 3:

180 ÷ 3 = 60

x = 60

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Find the solutions to x2 = 20.<br> :):):) i love you
monitta

Answer:

x = 10

Step-by-step explanation:

1st Divide both sides by 2: x2 ÷ 2 = 20 ÷ 2

2nd Simplify: x = 10

Hope I helped :)

7 0
3 years ago
Help me please I will give brainliest
In-s [12.5K]

Answer:

What grade is this? I may have an answer.

Step-by-step explanation:

7 0
3 years ago
30. What is the solution to the system of equations? (1 point)
sesenic [268]

Answer:

Option B) (-1,7,5) is correct.

The solution to the given system of equation is (-1,7,5)

Step-by-step explanation:

Given system of equations are

-7x-2y+z=-2\hfill (1)

6x-y-z=-18\hfill (2)

5x+4y-z=18\hfill (3)

To find the solution of the given system of equations by using Elimination method:

Now adding equations (1) and (2)

-7x-2y+z=-2

6x-y-z=-18

_________________

-x-3y=-20

________________

-x-3y=-20

-(x+3y)=-20

x+3y=20\hfill (4)  (since "-" getting cancelled)

Now adding equations (1) and (3)

-7x-2y+z=-2

5x+4y-z=18

_________________

-2x+2y=16

________________

-2x+2y=16

2(-x+y)=16

-x+y=8\hfill (5)

Now adding equations (4) and (5)

x+3y=20

-x+y=8

_________________

4y=28

________________

y=\frac{28}{4}

Therefore y=7

Substituting y=7 in equation (4)

x+3y=20

x+3(7)=20

x+21=20

x=20-21

Therefore x=-1

Now substituting the values x=-1 and y=7 in equation (1) we get

-7x-2y+z=-2

-7(-1)-2(7)+z=-2

7-14+z=-2

z=-2+7

Therefore z=5

Therefore the solution to the given system of equation is (-1,7,5)

Therefore Option B) (-1,7,5) is correct.

8 0
3 years ago
Which is greater 1/3 or 1/8
frutty [35]
1/3 is greater because it is equal to 0.33333...... 
1/8 is equal to 0.125. :D
4 0
3 years ago
Read 2 more answers
Round 4,982 to the nearest hundred
FromTheMoon [43]
The next nearest hundred for this equation is 1,000 so the answer is 5,000. 
I hope this helps ;)
8 0
3 years ago
Read 2 more answers
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