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SCORPION-xisa [38]
3 years ago
12

Would someone help me

Mathematics
1 answer:
melamori03 [73]3 years ago
5 0
The angle AEC is opposite the angle DEB 
the angle AEC is equal
9x + 12 = 2x + 30
9x - 2x   = 30 - 12
     7x      =   18 
        x      = 2.57 
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Can you help me plz .
Scilla [17]
Solve for x:(2 x + 3)/3 - 1 = 10
Put each term in (2 x + 3)/3 - 1 over the common denominator 3: (2 x + 3)/3 - 1 = (2 x + 3)/3 - (3)/3:(2 x + 3)/3 - (3)/3 = 10
(2 x + 3)/3 - (3)/3 = ((2 x + 3) - 3)/3:(-3 + 3 + 2 x)/3 = 10
Add like terms. 3 - 3 = 0:(2 x)/3 = 10
Multiply both sides of (2 x)/3 = 10 by 3/2:(3×2 x)/(2×3) = (3×10)/2
(3×10)/2 = (3×10)/2:(3×2 x)/(2×3) = (3×10)/2
(3×2 x)/(2×3) = (2×3)/(2×3)×x = x:x = (3×10)/2
10/2 = (2×5)/2 = 5:x = 3×5
3×5 = 15:Answer:  x = 15
8 0
4 years ago
Nicole has a collection of dolls that weigh 2/2 gram. How much would 2 dolls weigh?
SashulF [63]

Answer:

2

Step-by-step explanation:

Because 2/2 equals 1, and 1 * 2 = 2

7 0
3 years ago
State the ordered pair that is a solution to the system of equations graphed below. _
Yakvenalex [24]

Slope:

(2,2) (1,-3)

Answer:

(-2,1)

Step-by-step explanation:

8 0
3 years ago
PLeassssse HELPPPP!!!
Genrish500 [490]

Answer:

B i believe is the answer

Step-by-step explanation:

4 0
3 years ago
2/5x + 4 = 1/4x. Find x
irina1246 [14]

Answer:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Exact Form:

x =  − 80 /3

Decimal Form:

x = −  26.  ¯

            6

Mixed Number Form:

x = − 26  2

          ----

           3

4 0
3 years ago
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