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Akimi4 [234]
3 years ago
15

Solve the equation 5x-2(×+3)=×+19

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

Answer:

2.8 I think

Step-by-step explanation:

5x-2(x+3)=×+19

v -3 -3

5 -2. x. 16

v -2 -2

5 14

÷5. ÷5

2.8

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A. 15 degrees<br><br> B. 45 degrees<br><br> C. 30 degrees<br><br> D. 60 degrees
lara [203]

Answer: C. 30 degrees

Step-by-step explanation:

By definition, an hexagon is a polygon with six sides.

The sum of the interior angles of an hexagon is 720 degrees.

Based on this, the measure of eac interior angle is:

interior\ angle=\frac{720\°}{6}=120\°

Therefore, the measure of ∠1 is:

 \angle 1=\frac{120\°}{2}\\\\ \angle 1=60\°

So, to find the angle ∠2, you can divide ∠1 by 2:

\angle 2=\frac{60\°}{2}\\\\ \angle 2=30\°

7 0
3 years ago
La factorización de la expresión 33x^2-34x+8 es (3x-2)(11x-4)
USPshnik [31]

Answer:

B i think

Step-by-step explanation:

8 0
3 years ago
98 points reward HELP!!!!
Aleksandr [31]

This gets smaller by 4 each time.  

The graph will show exponential decay.

5 0
3 years ago
Read 2 more answers
Sum of 4x^3+6x^2+2x^2-3 and 3x^3+3x^2-5x-5 is
spin [16.1K]

9514 1404 393

Answer:

  7x^3 +11x^2 -5x -8

Step-by-step explanation:

Combine like terms.

  (4x^3+6x^2+2x^2-3) + (3x^3+3x^2-5x-5)

  = (4 +3)x^3 +(6 +2 +3)x^2 +(-5)x + (-3 -5)

  = 7x^3 +11x^2 -5x -8

_____

Noting that the first expression contains two x^2 terms, we wonder if you actually want the sum ...

  (4x^3+6x^2+2x-3) + (3x^3+3x^2-5x-5)

  = (4 +3)x^3 +(6 +3)x^2 +(2 -5)x +(-3 -5)

  = 7x^3 +9x^2 -3x -8

8 0
3 years ago
a Maps key shows that every of 5 inches on the map represents 200 miles of actual disc suppose the distance between the between
Colt1911 [192]
5 inches = 200 miles
7inches=x-miles
5/20=7/×
5x=200 (7)
5x=1400
1400÷5=280
x=280
280-200=80
80=the distance between the two cities
7 0
3 years ago
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