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ololo11 [35]
3 years ago
14

10 ft

Mathematics
1 answer:
cluponka [151]3 years ago
7 0

The Area of the Rectangle = l × w

<> 10 × 8 = 80 ft²

The Area of the Semicircle = ½

The Area of a circle = ½ (πr²)

<> π = 3.14

<> r = ½ of 8 = 4 ft

<> ½(3.14 × 4) = 6.28 ft²

The Area of the figure = Area of rectangle + Area of semicircle:-

<> 80 ft² + 6.28 ft² = <u>86.28</u><u> </u><u>ft</u><u>²</u>

Therefore, The area of the figure is <u>86.28</u><u> </u><u>ft</u><u>²</u>.

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The sum of the ages of the father and son is 44 years .After 8 years the age of the father will be twice the age of the son . Fi
Vadim26 [7]

Step-by-step explanation:

Let the present age of father = x years

and the present age of son = y years

according to the first condition

x + y =44 ........(i)

according to the second condition

x+8 = 2(y+8)

or x+ 8 = 2y + 16

or x- 2y = 8 ............(ii)

solve the equation (i) & (ii) we get

x + y =44

x- 2y = 8

••••••••••••••••••••••••

3y = 36

or y = 12

put the value of y in equation (i), we get

x + 12 =44

or x = 32

so the present age of father = x =32 years

and the present age of son = y = 12 years.

8 0
3 years ago
What is the difference between the perimeter of the bigger<br> rectangle and smaller rectangle?
harina [27]

The difference between the perimeters of the two rectangles will be 4x + 3

The formula for the perimeter of rectangle is given as :

                P = 2(L + B)

           Where P = perimeter of the rectangle

                       L = length of the rectangle

                       B = breadth of the rectangle

Now we have given two rectangle on is smaller than the other.

To find the difference between the perimeter of the two rectangles. We will first calculate the perimeter of both the rectangle.

Perimeter of the bigger rectangle = 2( 5x + 3 + 2x)

                                                            = 2(7x + 3)

                                                             = 14x + 3

Perimeter of the smaller rectangle = 2(2x + 3x)

                                                              = 2*5x

                                                              =10x

Difference between the two perimeters = (Perimeter of the bigger rectangle) – (Perimeter of the smaller rectangle)

                                                                      = (14x + 3) – 10x

                                                                      = 4x + 3

Thus the difference between the perimeters of the two rectangle will be 4x + 3

Learn more perimeters of the rectangle here : brainly.com/question/17297081

#SPJ9

4 0
2 years ago
Which expressions are equivalent to <br> 2r+(t+r)
stepan [7]

Answer:

2r+(t+r)

2r+t+1r

3r+t

8 0
3 years ago
Is this the right answer?
saveliy_v [14]

Answer:

Yes you are correct

Step-by-step explanation:

If you split them they all are worth zero which is nothing

6 0
3 years ago
Solve for y-15= c<br>PLEASE HELP !​
andrey2020 [161]

Answer:

Step-by-step explanation: Simplifying: y + 15 = c

Reorder the terms:

-15 + y = c

Solving:

-15 + y = c

Solving for variable y.

Move all terms containing y to the left, all other terms to the right.

Add 15 to each side of the equation:

-15 + 15 + y = 15 + c

Combine like terms:

-15 + 15 = 0

0 + y = 15 + c

Y = 15 + c

Simplifying: y = 15 + c

8 0
3 years ago
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