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ANEK [815]
3 years ago
14

You have the following numbers: 1, 2, 3, 4, 5. Using these numbers, write at least 10 different mathematical expressions. Use at

least one of the numbers as an exponent. Include mathematical operations of addition, multiplication, and use of parentheses when writing expressions.
Mathematics
1 answer:
masya89 [10]3 years ago
5 0

Mathematical expressions allow us to relate numbers using mathematical symbols to make calculations. some examples are:

  • 2 + 3 = 5
  • 4 - 1 = 3
  • 2 × 2 = 4
  • 4 ÷ 2 = 2
  • 2² + 1 = 5
  • (1 + 2) + (2 × 1) = 5
  • (2 + 3) - 4 = 1
  • (2 + 2)² ÷ 4 = 4
  • (2 ÷ 4)² × 4 = 1
  • (2 + 2)² (4 ÷ 2) - (2 × 4)(5 - 1) + 5 = 5

<h3>What is a mathematical expression? </h3>

A mathematical expression is a sequence of characters that are intended to express a general relationship between the terms expressed in the formula.

Mathematical expressions generally have symbols like:

  • Add +
  • Subtraction -
  • Multiplication ×
  • Division ÷
  • Exponent x^{x}
  • Equal =
  • Parentheses ()

According to the above, some examples of mathematical expressions are:

  • 2 + 3 = 5
  • 4 - 1 = 3
  • 2 × 2 = 4
  • 4 ÷ 2 = 2
  • 2² + 1 = 5
  • (1 + 2) + (2 × 1) = 5
  • (2 + 3) - 4 = 1
  • (2 + 2)² ÷ 4 = 4
  • (2 ÷ 4)² × 4 = 1
  • (2 + 2)² (4 ÷ 2) - (2 × 4)(5 - 1) + 5 = 5

Learn more about mathematical expressions in: brainly.com/question/14712183

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Plz help me solve this​
e-lub [12.9K]

Answer:

=2x^{5} y^{5} \sqrt{7}

Step-by-step explanation:

8 0
3 years ago
Two questions
melamori03 [73]

Use PEMDAS method to execute operations in the following order:

  1. Parentheses
  2. Exponents
  3. Multiplication
  4. Division
  5. Addition
  6. Subtraction

First equation:

12 + (38 - 18)2 = 12 + 20 × 2 = 52

Second equation:

(12)2 - 6(2 - 23) = 24 - 6(-21) = 24 + 126 = 150

Hope this helps.

5 0
3 years ago
What is the slope of a line that is parallel to the line with the following equation?
Natali [406]

Answer:

D)

Step-by-step explanation:

we know that,

Parallel lines have the same slope

given equation is in the form given by

\displaystyle y = mx + b

where m is know

as m_{parallel}=m, the answer is -⅔

3 0
3 years ago
Are two lines parallel, perpendicular or neither 3x+7y=15 and 7x-3y=6
maw [93]

Answer:

The lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are equal

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

we have

3x+7y=15 ----> equation A

isolate the variable y

7y=-3x+15

Divide by 7 both sides

y=-\frac{3}{7}x+\frac{15}{7}

The slope of the line A is m_A=-\frac{3}{7}

7x-3y=6 ----> equation B

isolate the variable y

3y=7x-6

Divide by 3 both sides

y=\frac{7}{3}x-2

The slope of the line B is m_B=\frac{7}{3}

Compare the slope of both lines

m_A=-\frac{3}{7}

m_B=\frac{7}{3}

so

m_A \neq m_B ----> the lines are not parallel

Find the product of the slopes

-\frac{3}{7}(\frac{7}{3})=-1 ----> the lines are perpendicular

4 0
3 years ago
Can anyone help me:<br> solve x/5=7<br> solve x/2=6.5
tester [92]

Answer:

a. 35

b. 13

Step-by-step explanation:

a. x/5= 7

Cross Multiplication

x= (7)(5)

x= 35

b. x/2= 6.5

Cross Multiplication

x=(6.5)(2)

x=13

3 0
3 years ago
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