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devlian [24]
2 years ago
15

11. Higher Order Thinking Cora makes this

Mathematics
1 answer:
9966 [12]2 years ago
8 0

Step-by-step explanation:

With no photo of the design is imposible to calculate exactly the design area. However:

We know that the area of a square is:

A_{sq}=L^2 where L is the leght of the square's side

Also, the area a triangle is:

A_{tr}=\frac{h*b}{2} where h is the height and b is the base (see the figure)

So, the total area, assuming that all square tiles are equal between them (the same for the triangular ones):

A_{total}=A_{sq}*n_{squaretiles}+A_{tr}*n_{triangtiles}

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Solve the equation using the method that seems appropriate.
Lera25 [3.4K]
The answer is x=-5.5 . 2x-3 = 4x+8 . subtract 2x from both sides and then subtract 8 from both sides and get -11=2x . then divide both sides by 2 to get . -5.5=x
8 0
2 years ago
Find the solutions to the equation below check all that apply 4x2 -8x +3 =0
notka56 [123]

Answer:

Hello :

4x² - 8x +3 = 0

4 ( x² - 2x +3/4 ) = 0

4 ( (x² -2x +1) -1 + 3/4) = 0

4 ((x-1)² - 1/4 ) =0

(x-1)² - 1/4 = 0

(x-1)² -  ( 1/2 )²=0

( x - 1 -1/2 ) ( x - 1 +1/2 ) = 0

( x - 3/2) ( x - 1/2) = 0

x - 3/2 = 0 or x - 1/2 = 0

two solutions : 3/2  ; 1/2



4 0
3 years ago
What is the volume of the rectangular prism?<br> 1/3ft
IrinaVladis [17]
We know that 1 cube equals 1/3. If you count the rectangular prism, you learn that there are 30 cubes in total that make up the rectangular prism. So what I did was 1/3 times 30. You could also divided 1 by 3, and get 0.3333333333, which is equal to 1/3 (1/3 = 0.3333333333) So, you should come out with ten. Thus your answer would be D, 10ft cubed.


Hope this helps :)
7 0
2 years ago
The diagram shows a solid formed by joining a hemisphere, of radius rcm, to a cylinder, of radius rcm and height hcm. The total
posledela

Answer:

Step-by-step explanation:

The total surface area of the sphere = 2πr²

Total surface area of the cylinder = 2πr²+2πrh

Total surface area of the solid = 4πr²+2πrh

r is the radius of the sphere and the cylinder

h is the height of the cylinder

Total surface area of the solid = 2πr(r+h)

If the total height of the solid is 18 cm, then r+h = 18cm

Given the Total surface area of the solid = 205π cm

205π = 2πr(r+h)

205π = 2πr(18)

205π = 36πr

205 = 36r

Divide both sides by 36

205/36 = 36r/36

r = 5.69cm

Since  r+h = 18cm

5.69+h = 18

h = 18-5.69

h = 12.31cm

6 0
3 years ago
Jamal makes $186 a week at his job. He plans to save 5% of his paycheck for a P.Y.F account. How much money will Jamal put in hi
kenny6666 [7]

Answer:

$9.30

Step-by-step explanation:

6 0
2 years ago
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