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3 years ago

Which of the following is an open statement?

Mathematics

2 answers:

meriva3 years ago

8 0

The answer is C I thinkkkkkk

7nadin3 [17]3 years ago

4 0

I think is C that what i think:;;:::::);:;:)

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The perimeter of a rectangle is the sum of the lengths of its four sides. Which expression where

Nitella [24]

Answer:

The expression which show the perimeter of rectangle is

2 ( Length + Breadth )

Step-by-step explanation:

Given as :

The measure of the length of the rectangle = L unit

The measure of the breadth of the rectangle = B unit

For any rectangle the opposite two sides are equal

And The rectangle has four sides

Let the Two opposite side be length

And The other two opposite side be breadth

Now, Perimeter

<u>The perimeter is define as the sum of all sides of any polygon</u>

Since the rectangle has four sides , with two opposite sides equal

∴ Perimeter of rectangle = Length + breadth + length + breadth

or, Perimeter of rectangle = L + B + L + B

Or, Perimeter of rectangle = 2 times L + 2 times B

Or, Perimeter of rectangle = 2 times ( L + B )

Or, Perimeter of rectangle = 2 ( Length + Breadth )

Hence The expression which show the perimeter of rectangle is 2 ( Length + Breadth ) . Answer

6 0

3 years ago

Thirteen percent of the profits from Kendall’s business are donated to charities.write and solve an equation to find out how muc

pychu [463]

The amount given to charity from Kendall’s profit is $168.0146

Given:

Kendall’s profit = $1292.42
Percentage given to charity = 13%

<h3>How to find percentage</h3>

Amount given to charity = Percentage given to charity × Kendall’s profit

= 13% of $1292.42

= 13/100 × 1292.42

= 0.13 × 1292.42

= $168.0146

Therefore, the amount given to charity from Kendall’s profit is $168.0146

Learn more about percentage:

brainly.com/question/843074

5 0

2 years ago

if line ab is parallel to line CD,and line CD is perpendicular to line EF.what can you conlude about AB andEF

eimsori [14]

If line AB is parallel to line CD, and line CD is perpendicular to line EF, AB is perpendicular to line EF due to the perpendicular transversal theorem<span>,which says, if a line is perpendicular to another line, then it is perpendicular to the line parallel to the second line.

This theorem can be proved through the transversal postulate and theorems.</span>

6 0

4 years ago

3. Solve the equation using square roots. If the equation has no real solution, write

noname [10]

3) x² - 121 = 0

x² = 121

x' = +√121

x' = 11

_______________

x'' = - √121

x'' = -11

Solution ⇒ S{-11 ; 11 } or (x-11)(x+11)

4) 4x² + 144 = 0

4x² = -144

x² = -144 / 4

x² = -36

x = √-36

No solution ⇒ S = ∅

5) z²+10z+21 = 0

Δ = 10² - 4(1)(21)

Δ = 100 - 84

Δ = 16

x' = (-10+4) / 2 = -6/2 = -3

x'' = (-10-4) / 2 = -14/2 = -7

Solution ⇒ S{ -7 ; -3} or (x+3)(x+7)

4 0

3 years ago

The table shows the outputs, y, for different inputs, x:

jarptica [38.1K]

It seems like there's a typo? The x and y rows are identical

Assuming there is no typo, then the input and the output are the same. Meaning that whatever you plug in, is what comes out. If the output is 40, then the input must be 40.

So the answer is 40 (assuming there are no typos made by your textbook or teacher)

8 0

3 years ago