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netineya [11]
3 years ago
14

Drag and drop an answer to each box to correctly explain the derivation of the formula for the volume of a pyramid.

Mathematics
1 answer:
romanna [79]3 years ago
8 0

Answer:

1 to 3 and V= 1/2 Bh

Step-by-step explanation:

the pyramid is like a triangle there is three sides. There is only one way of the whole pyramid you can cut.

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260

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3 years ago
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The area of a rectangular fountain is x2 + 9x + 20 square feet. A 5-foot walkway is built around the fountain. Find the dimensio
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Y = r + 1<br> 4y = 40 + 4
strojnjashka [21]

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Step-by-step explanation:

Move all terms that don't contain

x

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Find the center and the radius of the circle with the equation:
nekit [7.7K]

Answer:

(x+1)^2 + (y-1)^2 = 16

And the general formula for a circle is given by this expression:

(x-h)^2 +(y-k)^2 = r^2

With the center (h,k) and the radius r. If we compare this general expression with the formula that we obtain in (1) we see that :

h = -1, k =1 , r =4

So then the best solution for this cae would be:

b. center: (-1,1)

radius =4

Step-by-step explanation:

For this case we have the following equation given:

x^2 +2x + y^2 -2y -14=0

And we can complete the squares for this case like this:

x^2 +2x +(2/2)^2 +y^2 -2y +(2/2)^2 =14 +1+1

(x^2 +2x +1) +(y^2 -2y +1) =16

Now we can rewrite the last expression like this:

(x+1)^2 + (y-1)^2 = 16

And the general formula for a circle is given by this expression:

(x-h)^2 +(y-k)^2 = r^2

With the center (h,k) and the radius r. If we compare this general expression with the formula that we obtain in (1) we see that :

h = -1, k =1 , r =4

So then the best solution for this cae would be:

b. center: (-1,1)

radius =4

5 0
3 years ago
Evaluate the difference quotient for the given function<br><br> f(x)=1/x, f(x)-f(a)/x-a
motikmotik
I hope this helps you

8 0
3 years ago
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