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jeka57 [31]
2 years ago
15

SOLVE FOR X ILL GIVE BRAINILEST

Mathematics
2 answers:
kondaur [170]2 years ago
8 0

Answer:

x = -4

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

andrezito [222]2 years ago
3 0

Answer:

x = -4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

  • (-2)(3x)+(-2)(-4)-x-3=33
  • -6x +8 - x - 3 = 33
  • (-6x-x)+(8-3)=33
  • -7x + 5 = 33  

Step 2: Subtract 5 from both sides.

  • -7x + 5 - 5 = 33 - 5
  • -7x = 28

Step 3: Divide both sides by -7.

  • \frac{-7x}{-7} =\frac{28}{-7}
  • x = -4

Step 4: Check if solution is correct.

  • -2(3(-4)-4)- (-4)-3=33
  • -2(-12-4)+4-3=33
  • (-2)(-12)+(-2)(-4)+4-3=33
  • 24 + 8 + 4 - 3 = 33
  • 32 + 4 - 3 = 33
  • 36 - 3 = 33
  • 33 = 33

Therefore, x = -4.

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Find EF given E(-7, -2) and F(11, 3). Round your answer to the nearest thousandth (3 decimal places).
zavuch27 [327]

Answer:

18.682

Step-by-step explanation:

Given that :

E = (-7, - 2) ; x1 = - 7 ; y1 = - 2

F = (11, 3) ; x2 = 11 ; y2 = 3

EF = √((x2 - x1)² + (y2 - y1)²)

EF = √((11 - -7)² + (3 - -2)²)

EF = √((11 + 7)² + (3 + 2)²)

EF = √(18² + 5²)

EF = √324 + 25

EF = √349

EF = 18.6815

EF = 18.682 units (3 decimal places )

6 0
3 years ago
Y = 2x + 1<br> 2x - y=3 <br> Solve by substitution
pishuonlain [190]

Answer:

there is no solution

Step-by-step explanation:

y = 2x + 1

put into other equation

2x - 2x + 1 = 3

0x + 1 = 3

0x = 2

0/0x = 2/0

x = undefined

6 0
2 years ago
At which angle will the hexagon rotate onto itself? 60° 90° 120° 180°
velikii [3]

Answer:

60

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Sara is 5 ft 10 in tall. To the nearest centimeter how tall is Sara? If 1 inch equals 2.54 centimeters
Novay_Z [31]

Answer:

<em>S</em><em>A</em><em>R</em><em>A</em><em>'</em><em>S</em><em> </em><em>h</em><em>e</em><em>i</em><em>g</em><em>h</em><em>t</em><em> </em><em>i</em><em>s</em><em> </em><em>2</em><em>2</em><em>.</em><em>7</em><em> </em><em>c</em><em>m</em>

Step-by-step explanation:

if 1 inch equals 2.54 cm then 5ft will be:

=5*2.54

=12.7 cm

therefore, sara's height in centimeter:

=12.7+10

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3 0
3 years ago
Read 2 more answers
Identify the frequency of the graph
olya-2409 [2.1K]

ANSWER

\frac{1}{2}

EXPLANATION

The frequency of a wave function refers to the number of times the graph repeats its cycle within the interval [0,2π]

We can observe explicitly from the graph that the frequency is half.

The period of the given function is 4π

\frac{2\pi}{b} = 4\pi

b =  \frac{2\pi}{4\pi}  =  \frac{1}{2}

Hence the frequency is half.

4 0
2 years ago
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