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MatroZZZ [7]
3 years ago
9

ALL THE INFO IS IN THE PIC PLEASE HELPPPPPP 100 POINTSSSS I WILL MARK BRAINLIEST TO BEST ANSWER

Mathematics
2 answers:
Alex777 [14]3 years ago
7 0

Its the 2 one do you want me to give you a reasoning  more or..

VARVARA [1.3K]3 years ago
4 0
It’s the second one.
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In triangle ABC, what is m angle C
Degger [83]

Answer:

83.5 degrees

Step-by-step explanation:

first, find x:

x+5x-13+4x=180

10x=193

x=19.3

Then, substitute that value for c:

5*19.3-13

=83.5 degrees

4 0
2 years ago
2x+y=3<br>x-y= 1<br><br>solve the equation ​
svetlana [45]

Answer:

x = 4/3

y = 1/3

Step-by-step explanation:

System of equations! This is set up really well to make the second equation equal x then substitute.

x - y = 1

x = 1 + y

and then our substitution:

2 (1+y) + y = 3

and solve:

2 + 2y + y = 3

3y + 2 = 3

3y = 1

y = 1/3

And now we can substitute that value into one of our equations:

x - (1/3) = 1

x = 4/3

Next we should check by substituting these values into both of our equations:

2 (4/3) + (1/3) = 3

9 / 3 does equal 3 !

(4/3) - (1/3) does equal 1 !

Therefore, x = 4/3 , and y = 1/3

4 0
3 years ago
Read 2 more answers
7x2 - 4x +10+ 3x2 – 8
kupik [55]
Answer: 22-4x when you simplify it all.

8 0
3 years ago
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Consider the numbers √27 and √39.
kobusy [5.1K]
√27 = 5.2 (to 1 dp)
√39 = 6.2 (to 1 dp)
A. √39 is greater.
B. 6 is the only whole number between the two.
Hope this helped :)
3 0
3 years ago
3x + 2y = 6<br> 4x + y = 1<br> Solve the system of equations.
likoan [24]
3x+2y=6 -
8x+2y=2
_________
-5x=4
x=-4/5

-2.4+2y=6
y=8.4
7 0
3 years ago
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