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AVprozaik [17]
3 years ago
7

I could really really use some help. IF someone could please help me answer like 5 questions like this id appreciate it!!

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0
6x-7=4x+23

2x=30

X=15

Abc=83
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Pls help fast, everything is in the attached file
IgorLugansk [536]

Answer:

  • \frac{20}{369}

Step-by-step explanation:

  • \frac{ 3.4:1.8 - 1 \frac{2}{3} + \frac{7}{9} }{0.918:0.51 + 0.45} =
  • \frac{\frac{34}{18}- \frac{5}{3}+\frac{7}{9} }{18 +\frac{45}{100} } =
  • \frac{\frac{17}{9}-\frac{15}{9}+\frac{7}{9}}{18+ \frac{9}{20}  }  =
  • \frac{\frac{17-15+7}{9} }{\frac{369}{20} } =
  • \frac{9}{9} } *\frac{20}{369} =
  • \frac{20}{369}

8 0
2 years ago
Are the equations 9x=5x+4 and 14x=4 equivilant?​
Paha777 [63]

Answer:

No

Step-by-step explanation:

First solve both equations:

1) 9x = 5x + 4

Simplifying

9x = 5x + 4

Reorder the terms:

9x = 4 + 5x

Solving

9x = 4 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

9x + -5x = 4 + 5x + -5x

Combine like terms: 9x + -5x = 4x

4x = 4 + 5x + -5x

Combine like terms: 5x + -5x = 0

4x = 4 + 0

4x = 4

Divide each side by '4'.

x = 1

Simplifying

x = 1

2) 14x = 4

14x = 4 (divide both sides by 14 to get x)

14x/14 = 4/14

x = 0.285714285714

As you can see, the value of x in the second equations is less than one, therefore making these algebraic equations not equivalent.

4 0
2 years ago
Read 2 more answers
F(x)=x^2+6x+3 complete The square and put the equation into vertex form
Svet_ta [14]

Answer:

y=(x+3)^2−6

Step-by-step explanation:

im not 100% but i think its right

6 0
3 years ago
Read 2 more answers
A circle has the equation (x-2)^2 +y^2 =5. What are the coordinates of the circle's center?
Elina [12.6K]
The circle with center (h, k) and radius r has equation
.. (x -h)^2 +(y -k)^2 = r^2

You have
.. h = 2
.. k = 0
.. r = √5

The center is (h, k) = (2, 0).
3 0
2 years ago
Solve the inequality for x<br> 2x+5&lt;5x-4
Helen [10]

Answer:

x is greater than 3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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