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snow_lady [41]
3 years ago
9

What is the value of x? ​

Mathematics
2 answers:
Artist 52 [7]3 years ago
7 0
There answer is right^^^ x=28
Alinara [238K]3 years ago
3 0

95 + 57 + x = 180  (the sum of angles in the triangle must equal 180)

152+x=180

x=180-152

x=28

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Find the value of x, y and z
tangare [24]

Answer:

Step-by-step explanation:

8x = 9x - 7

-x = -7

x = 7

9(7)-7= 63-7=56

8(7)= 56

13y+7+56=180

13y+63=180

13y=117

y=9

13(9)+7= 117+7= 124

5y-11+56=90

5y+45=90

5y=45

y=9

5(9)-11+9(7)-7= z

45-11+63-7=z

34+56=z

90=z

7 0
3 years ago
PLEASE HELP ME im so lost on this
netineya [11]

Answer:

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=10%5E8%2A10%5E-%5E3%3D%2010%5E%3F" id="TexFormula1" title="10^8*10^-^3= 10^?" alt="10^8*10^-^3
Dima020 [189]
Answer
10^5
Because you add exponents if multiplying and 8+-3 is 5
8 0
3 years ago
Read 2 more answers
Given ABC find the values of x and y. In your final answer, include all of your calculations.
kow [346]

So with this, we will be using proportions. To solve for x, our proportion will be \frac{x}{6} =\frac{6}{x-9}


Firstly, cross-multiply: x^2-9x=36


Next, subtract 36 on both sides: x^2-9x-36=0


Next, replace -9x with 3x-12x x^2+3x-12x-36=0


Next, factor x^2+3x and -12x-36 separately: x(x+3)-12(x+3)=0 . After, rewrite it as (x-12)(x+3)=0


Next, solve for x separately in the two parentheses:

x-12=0\\ x=12

x+3=0\\ x=-3


Since we can't have a negative length, x = 12.



To solve for y, our proportion will be \frac{y}{9} =\frac{12}{y}


Firstly, cross-multiply: y^2=108


Next, just square root each side, and your answer will be (rounded to hundredths) y=10.39



In short, x = 12 and y = 10.39.

5 0
3 years ago
WILL GIVE BRAINLIEST IF CORRECT
Sedbober [7]

Answer:

la respuesta correcta es laC

7 0
3 years ago
Read 2 more answers
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