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adoni [48]
4 years ago
15

Which statement about equations and expressions is true? An example of an equation is 4.5 + x = 13.2 because it shows that two e

xpressions are equal. An example of an expression is 4.5 + x = 13.2 because it shows that two equations are equal. An example of an equation is 4.5 + x = 13.2 because it is a mathematical phrase represented by numbers, a variable, and operations. An example of an expression is 4.5 + x = 13.2 because it is a mathematical phrase represented by numbers, a variable, and operations.
Mathematics
2 answers:
Digiron [165]4 years ago
7 0

Answer:

An example of an equation is 4.5 + x = 13.2 because it shows that two expressions are equal.

An example of an expression is 4.5 + x = 13.2 because it’s a mathematical phrase represented by numbers, a variable , and operations .

Step-by-step explanation:

Naya [18.7K]4 years ago
5 0

Answer:

An example of an equation is 4.5 + x = 13.2 because it shows that two expressions are equal.

Step-by-step explanation:

An equation is a mathematical sentence that has two equal sides separated by an equal sign.

An equation is a mathematical statement that two things are equal. It consists of two expressions, one on each side of an 'equals' sign.

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gladu [14]

Answer:

  1. 3x-1/4=-5/11
  2. 11 (3x-1)=4 (5)
  3. 33x-11=20
  4. 33x=20+11
  5. 33x=31
  6. x=31/33
  7. x=?
8 0
2 years ago
The principal P is borrowed and the loan's future value A at time t is given. Determine the loan's simple interest rate r.
Virty [35]

A = P + SI

A-P = SI

5425-5000 = 425

THEREFORE THE SIMPLE INTRESTE IS $425

SI = PTR/100

425 = 5000×1×R/100

425×100/5000×1=R

425×100÷5,000×1 = 8.5%

THEREFORE THE RATE IS 8.5%

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3 years ago
Find the value of x in the diagram below
Ghella [55]

Answer:

x=26

Step-by-step explanation:

4x-8+34+76-x=180

4x-x-8+34+76=180

3x+102=180

3x=180-102

3x=78

x=78/3

x=26

4 0
3 years ago
Read 2 more answers
Please help for 16 points <br>NO WRONG ANSWERS PLEASE ​
Sedbober [7]

Answer:

x = 30, x = 5 and x = 9

Step-by-step explanation:

The diagonals of a square are perpendicular bisectors of each other, so

∠ AEB = 90° , then

3x = 90 ( divide both sides by 3 )

x = 30

---------------------------------------------------------

(9)

The 4 angles of a square are right and the diagonals bisect the angles, then

∠ BAC = 45° , so

9x = 45 ( divide both sides by 9 )

x = 5

-------------------------------------------------------

(10)

All sides are congruent , so

CD = AB , that is

3x - 5 = 2x + 4 ( subtract 2x from both sides )

x - 5 = 4 ( add 5 to both sides )

x = 9

5 0
3 years ago
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Dvinal [7]

Answer:

6 lines of symmetry

Step-by-step explanation:

This is a 6 sided polygon which is known as hexagon.

Now, line of symmetry of this hexagon is a line that passes through the centre of it and thereby divides it into equal parts.

Now, we can see the short lines on each side of the hexagon. When they are extended to join a similar line on the opposite face, they all pass through the centre.

Thus, there are

6 0
3 years ago
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