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gayaneshka [121]
3 years ago
11

Find the area of the shaded region. Round your answer to the nearest tenth.

Mathematics
1 answer:
Troyanec [42]3 years ago
7 0

Area of the square = (9 m)^2 = 81 m^2

The four circular sectors combine to form a circle with diameter 9 m, hence radius 4.5 m.

Area of the circle = π (4.5 m)^2 = 20.25π m^2

Then the area of the shaded region is

81 m^2 - 20.25π m^2 ≈ 17.4 m^2

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What is the value of x?<br> 6.75+ x = 131
yanalaym [24]

Answer:

x = 497/4 = 124.250

Step-by-step explanation:

Step  1  :

           27

Simplify   ——

           4

Equation at the end of step  1  :

  27          

 (—— +  x) -  131  = 0

  4          

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Adding a whole to a fraction

Rewrite the whole as a fraction using  4  as the denominator :

        x     x • 4

   x =  —  =  —————

        1       4  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

27 + x • 4     4x + 27

——————————  =  ———————

    4             4  

Equation at the end of step  2  :

 (4x + 27)    

 ————————— -  131  = 0

     4        

Step  3  :

Rewriting the whole as an Equivalent Fraction :

3.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  4  as the denominator :

          131     131 • 4

   131 =  ———  =  ———————

           1         4  

Adding fractions that have a common denominator :

3.2       Adding up the two equivalent fractions

(4x+27) - (131 • 4)     4x - 497

———————————————————  =  ————————

         4                 4    

Equation at the end of step  3  :

 4x - 497

 ————————  = 0

    4    

Step  4  :

When a fraction equals zero :

4.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, multiplys both sides of the equation by the denominator

Here's how:

 4x-497

 —————— • 4 = 0 • 4

   4  

Now, on the left hand side, the  4  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  4x-497  = 0

Solving a Single Variable Equation :

4.2      Solve  :    4x-497 = 0

Add  497  to both sides of the equation :

                     4x = 497

Divide both sides of the equation by 4:

                    x = 497/4 = 124.250

One solution was found :

                  x = 497/4 = 124.250

Processing ends successfully

plz mark me as brainliest :)

6 0
3 years ago
What is the degree of the resulting polynomial when a 3rd degree binomial is multiplied by a 4th degree trinomial?
11Alexandr11 [23.1K]

A 3rd degree polynomial of any sort times a 4th degree polynomial of any sort will result in a 7th degree polynomial.

   \left(x^3 +...\right)\left( x^4 + ...\right) = x^7 + ...

5 0
2 years ago
In the continental United States, The ratio of states border an ocean to states that do not border an ocean is 7:9. How many of
luda_lava [24]
The answer is 7 because the first part of the ratio says amount of states that border an ocean.

7 0
3 years ago
I need help please???
Mademuasel [1]

X > 6

→ 6X < 66

→ 6 x 7 < 66

→ 42 < 66 (Correct)

X > 11

→ 6X < 66

→ 6 x 12 < 66

→ 72 < 66 (Incorrect)

X = 11

→ 6X < 66

→ 6 x 11 < 66

→ 66 < 66 (Incorrect)

ANSWER:

X > 6

5 0
3 years ago
Name 3 numbers between 0.33 and 0.34
Delvig [45]
0.331, 0.332, and 0.333
6 0
3 years ago
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