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IRINA_888 [86]
2 years ago
5

What is the width of the terrace?

Mathematics
1 answer:
vlabodo [156]2 years ago
7 0

Answer:

12 feet or 4 feet.......

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Which expression is equivalent to 3x+2 ?<br> A. x+x+x+1+1<br> B. x+x+1+1+1<br> C. 3x+6<br> D. 3+x+2
-Dominant- [34]

Answer:

A

Step-by-step explanation:

add all the xs together and it give you 3x and if tou combine the 1s it gives you two

3 0
2 years ago
Read 2 more answers
I don’t know how to use the triangle area to calculate the area of the inscribed polygons
Trava [24]

First of all, let's recall the area of a triangle, knowing its base (b) and height (h):

A = \cfrac{bh}{2}

The exercise is showing you that, if you inscribe a polynomial with more and more side, the area of the polynomial will approximate the area of the circle better and better (you can see youself that the polygon is "filling" the circle more and more as the number of sides increase).

Now, the second column tells you the area of each of the triangles the polygon is split into. So, we can see that the first polygon is split into 3 triangles, each of them having base 1.73 and height 0.5.

So, the area of each triangle is

A = \cfrac{1.73 \cdot 0.5}{2} = 0.4325

There are three of these triangles, so the area of the whole polygon is

A = 0.4325 \cdot 3 = 1.2975

In the second case, you have six triangles, each with base 1 and height 0.87. So, the whole area is

A = 6 \cdot \cfrac{1\cdot 0.87}{2} = 0.87 \cdot 3 = 2.61

Finally, in the last case you have 8 triangles, each with base 0.77 and height 0.92. So, the whole area is

A = 8 \cdot \cfrac{0.77\cdot 0.92}{2} = 0.77\cdot 0.92 \cdot 4 = 2.8336

3 0
3 years ago
I need help finding the Answer to #1 and #2
kaheart [24]
#3 is even I really hope this works
3 0
3 years ago
X+7=5x2 what's the answer
Helen [10]
Answer: 3

Explanation:

x + 7 = 5 x 2

you do 5(2) and get 10

plug in 10 and the equation looks like:

x + 7 = 10

from there you would subtract 7 from 7 and 10 to isolate x and get your answer of:

x = 3 :)

3 0
3 years ago
Which of the following points lies on the line y=x?​<br>(-4,4)<br>(2,-2)<br>(-4,-4)<br>-2,2
marshall27 [118]
The answer is (-4,-4) because y has to equal x, the first -4 is the x and the second one is the y
7 0
3 years ago
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