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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.

You might be interested in
Rearrange the formula to make x the subject:<br> A = 1/2xy
Maslowich

Answer:

x = \frac{2A}{y}

Step-by-step explanation:

Given

A = \frac{1}{2} xy

Multiply both sides by 2 to clear the fraction

2A = xy ( divide both sides by y )

\frac{2A}{y} = x

3 0
3 years ago
-x^2+4x-8 <br>axis of symmerty​
V125BC [204]

Answer:

\boxed {\boxed {\sf x=2}}

Step-by-step explanation:

The axis of symmetry can be calculated using the formula:

x=\frac{-b}{2a}

First we must determine a and b from the quadratic: -x^2+4x-8. This is in standard form, with the highest power first in descending order.

Standard form is also: ax^2+bx+c

If we compare this to the quadratic given, we can conclude that:

a= -1 \\b= 4 \\c= -8

Substitute the values for a and b into the formula.

x= \frac{-(4)}{2(-1)}

Multiply in the denominator.

x=\frac {-4}{-2}

Divide.

x=2

This can also be determined from the graph. It is the x-coordinate of the vertex or the maximum/minimum. It divides the quadratic into 2 symmetrical halves.

8 0
3 years ago
Simplify.
steposvetlana [31]
I hope this helps you



8m+7m+4n-2n


15m+2n
4 0
3 years ago
Read 2 more answers
Need help on this math problem
Alenkasestr [34]

Answer:

<BCF is the other alternate exterior angle.

Step-by-step explanation:

If you can, let me know if this is correct. :)

6 0
3 years ago
HELP ASAP PLEASE!!! 20 POINTS!!
Kobotan [32]

Answer: S_{12}=399.90

Step-by-step explanation:

You know that the formula to find the sum of a finite geometric series is:

S_n=\frac{a_1(1-r^n)}{1-r}

Where n is the number of terms, a_1 is the first term and r is the common ratio (r\neq 1).

The steps to find the sum of the first 12 terms of the given geometric serie, are:

1. Find the common ratio "r". By definition:

r=\frac{a_2}{a_1}

Then:

r=\frac{100}{200}\\\\r=\frac{1}{2}

2. Finally, knowing that:

a_1=200\\\\n=12

You must substitute values into the formula.

Then you get:

S_{12}=\frac{200(1-(\frac{1}{2})^{12})}{1-\frac{1}{2}}\\\\S_{12}=399.90

6 0
3 years ago
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