think of a number. double the number, subtract 6 from the result and divide answer by 2. the quotient will be 20. what is the number? show you solution pls.

Answers

Answer 1
Answer: Let x = the unknown number. (2x - 6) divided 2 = 20
Multiply both sides of the equation by 2
2x - 6 = 40  then add 6 to both sides,
2x = 46  divide both sides by 2
x = 23
Answer 2
Answer:

Final answer:

To find the number, we need to work backwards from the given quotient of 20. Double the number, subtract 6, and divide the result by 2 to get the number.

Explanation:

To find the number, we need to work backwards from the given quotient of 20. Let's call the number x.

Step 1: Double the number: 2x

Step 2: Subtract 6 from the result: 2x - 6

Step 3: Divide the answer by 2: (2x - 6) ÷ 2

Since the quotient is 20, we can set up an equation: (2x - 6) ÷ 2 = 20

Multiply both sides of the equation by 2: 2x - 6 = 40

Add 6 to both sides of the equation: 2x = 46

Divide both sides of the equation by 2: x = 23

Therefore, the number is 23.

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Answers

Answer:

It was 5 cm, not 4

Step-by-step explanation:

Answer:

5cm

Step-by-step explanation:

A sign in a store window has the shape of a regular nonagon (9-sided figure). The sign has an apothem length of 40 cm and a side length of 29 cm.What is its area?

____cm2

Answers

Area = A
Side length = L = 29 cm
number of sides = n = 9
Apothen = a = 40 cm

A = nLa / 2 = 9*29cm*40cm / 2 = 5,220 cm^2

Answer: 5,220 cm^2

Answer:

5220 cm

Step-by-step explanation:

A=9/4(a^2)cot(180°/9) is the formula and got 5,220 cm

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Answers