Whats the volume of a pyramid

Mathematics

1 answer:

Fantom [35]2 years ago

3 0

Answer:

The volume of a pyramid is 1/3 x Base Area x Height.

Step-by-step explanation:

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To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1).

swat32

First we need to find the length of each side of the triangle , and for that we need to use the distance formula, that is
$d =\sqrt{(x_{2} -x_{1})^2 +(y_{2} -y_{1})^2}$
$AB = \sqrt{(1-4)^2 +(-2+1)^2}= \sqrt{10}$
$\sqrt{BC} = \sqrt{(1-1)^2 + (2+2)^2}=4$
Perimeter is the sum of all sides.
$Perimeter = AB + BC + AC = \sqrt{10}+4 +\sqrt{18}$
$Perimeter= 11.4$

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2 years ago

What is the verbal expression for 4q ?

kenny6666 [7]

4q
<span>We can write the verbal expression of this algebraic or mathematical expression as simple as four times a number. Since the unknown variable here is “q” and it is not specified it doesn’t mean a specific letter q but just a representation of an absent and unknown value of a number. Hence, these variables have a automated value of 1 hence, q = 1 but unless the value of this variable is changed in finding or filling this unknown it remains with the constant of 1.</span>

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2 years ago

he pay a fixed charge of $30 plus $10 per hour to rent the digger work out how much he pays to rent the digger for?

Maslowich

How many hours does he rent it?

Either way, the equation would be 30 + 10x

x is the number of hours he rents the digger.

So for example, if he rented it for say 8 hours

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$110

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What is the mean for the set of data?

Lady_Fox [76]

Answer:

the mean is 3

Pls mark Brainliest :)

Step-by-step explanation:

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Are 3+4x and 4x+3 equivalent

Ket [755]

Answer:

yes

Step-by-step explanation:

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