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ANEK [815]
3 years ago
12

Solve for x. -2.7x + 0.4 =2.8 -1.2x​

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
8 0

x=-1.6

Hope this Helped! :T

liubo4ka [24]3 years ago
6 0
The answer is X= -1.6
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( x + 30 ) ( x + 40 )<br><br><br> solve for x
vazorg [7]

Answer:

X^2 + 70x + 12000

Step-by-step explanation:

Is that what you wanted? I got that by using the distributive method.  

5 0
2 years ago
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the sides of a triangle are 3 whole 1 by 6 cm 4 whole 2 by 3 cm and 5 whole 2 by 3 cm. Find the total length of the three sides
Lyrx [107]

Answer:

16\frac{2}{3}cm

Step-by-step explanation:

Given dimensions:

           3\frac{1}{6} cm by 4\frac{2}{3}cm  by 5\frac{2}{3} cm

The total length:

 it is the sum of all the sides;

         \frac{19}{6}  + \frac{14}{3}   + \frac{17}{3}  

LCM of the denominators = 6 ;

   \frac{38 + 28 + 34}{6}  = \frac{100}{6}

                 = \frac{50}{3}

                 = 16\frac{2}{3}cm

5 0
3 years ago
-1/3+(-7/4)= plz help
lara31 [8.8K]

Answer:

-25/12

Step-by-step explanation:

-1/3 - 7/3

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-25/12

4 0
3 years ago
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Find the diameter of a circle with area 28.3 yd2
mamaluj [8]

Answer:

6.002722642yd

Step-by-step explanation:

Area to Radius:

Area of a circle = (pi)r(squared)

28.3= pi x r2

28.3/pi = r2

9.0081...=r2

square root of 9.0081...= radius

radius= 3.001361321yd*

Radius to Diameter:

diameter = radius x 2

d = 3.001361321* x 2

d = 6.002722642yd*

*i used the full numbers after the decial point because i didnt know if it had to be to like 1 or 2 decimal places or even 3 so i left it like that just in case but you can just write 3 x 2 or 6yd as your final answer!

Hope this helped :)

8 0
2 years ago
Which ordered pair is a solution of the inequalty y&lt;3x + 1?
alexandr1967 [171]

Step-by-step explanation:

Since (-3) < 3(1) + 1 is true, option C is correct.

5 0
3 years ago
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