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Studentka2010 [4]
4 years ago
12

Find the area of the shaded region. Need a Hint? 40 square meters 23 square meters 56 square meters 12.5 square meters

Mathematics
1 answer:
sesenic [268]4 years ago
6 0
<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here you haven't provided any diagram so I'll assume we are talking about a square. If so, then the area of the square is given by:

A=s^2 \\ \\ s:Side \ of \ the \ square

From the figure below, we know that the side of the square is:

s=20m

So the area can be found as:

A=(\sqrt{40})^2 \\ \\ A=40m^2

Finally:

<em>The shaded region has an area of 40 square meters</em>

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BD bisects ∠ABC, m∠ABD=(7x−1)°, and m∠DBC=(4x+8)°. Find m∠ABD.
Naya [18.7K]

Answer:

  m∠ABD = 20°

Step-by-step explanation:

The bisector makes angles ABD and BDC congruent, so ...

  7x -1 = 4x +8

  3x = 9 . . . . . . add 1-4x to both sides

  x = 3

  m∠ABD = (7x-1)° = (7·3 -1)°

  m∠ABD = 20°

4 0
3 years ago
How do i calculate the percentage difference between two numbers????
lawyer [7]

When finding the percent difference between two numbers, there are two ways you can do this.

1. The first way is how to calculate the percentage INCREASE of two numbers:

-The formula is Increase / Original Number × 100 = % increase

Step 1: Find out the difference between the two numbers you're comparing. New number - Original number = Increase.

Step 2: Divide the increase by the original number and then multiply your answer by 100. (If your answer is a negative number, then it is a percent decrease, not a percent increase.)

2. The second way is how to calculate the percentage DECREASE of two numbers:

Step 1: Find out the difference between the two numbers you're comparing. Original number - New number = Decrease.

Step 2: Divide the decrease by the original number and then multiply your answer by 100. Decrease ÷ Original Number × 100 = % Decrease. (If your answer is a negative number, then is is a percent increase, not a percent decrease.)



8 0
3 years ago
Which ordered pair is a solution to the system?
andreyandreev [35.5K]

Answer:

A.

Step-by-step explanation:

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3 years ago
5(4x−3)−(3x+1)=3(5x+9)+2x
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20x - 15 - 3x - 1 = 15x + 27 + 2x

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17x - 17x = 27 + 16

0 = 43

Since zero is not equal to 43, this equation has no solution.

3 0
3 years ago
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x=3
3 0
3 years ago
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