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Readme [11.4K]
3 years ago
7

Question 20

Mathematics
1 answer:
zimovet [89]3 years ago
7 0

9514 1404 393

Answer:

  (d)  A = 18 units²

Step-by-step explanation:

Line CE can be considered to be the base of two triangles. It is 6 units long. The upper triangle is 4 units high, and the lower triangle is 2 units high. The formula for the area of a triangle is ...

  A = 1/2bh

Then the sum of the areas of the two triangles is ...

  A = 1/2(6)(4) +1/2(6)(2) = 12 +6 = 18

The area of the polygon is 18 square units.

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I inserted a picture so it can be more clear. This is for Algebra 2, Unit 2
dedylja [7]

If f(x) = 3x-4 and g(x) = 4-3x then the solution of f(g(x)) = g(f(x)) proves that they are not inverse functions.

According to the question,

We have the following two functions:

f(x) = 3x-4 and g(x) = 4-3x

We know that in order to find whether two functions are inverse of each other or not we need to find the value of f(g(x)) and g(f(x)) and then see whether they are equal to x.

Now, among the given options, the only option representing this kind of solution is option D and the solutions are not equal which proves that they are not inverse functions.

Hence, the correct option is D.

To know more about inverse functions here

brainly.com/question/2541698

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4 0
1 year ago
Mr. Drew wants to build a square sandbox with an area of 144 square feet. What is the total length
lisabon 2012 [21]
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3 0
3 years ago
Mrs. Colen took a trip. She drove 350 miles in 7 hours and 30 minuets. what is her average speed to the nearest tenth of a mile
ollegr [7]
Diatance travelled by her= 350 miles
amount of time taken by her to travel 350 miles= 7 hrs 30 mins
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 average speed travelled by her to the nearest tenth of a mile per hour= 450*60/100
                                                                                                      =270/10
                                                                                                      =27
 therefore he travelled 27 miles to the nearest tenth of a mile per hour.   

5 0
3 years ago
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Answer:

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Step-by-step explanation:

5 0
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tekilochka [14]

Answer:

141

Step-by-step explanation:

convert to standard form then use D= B squared -4ac

3 0
3 years ago
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