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Dmitriy789 [7]
4 years ago
10

Volume of a pyramid height of 24ft base of 16ft

Mathematics
2 answers:
ValentinkaMS [17]4 years ago
5 0

Answer:

I think its 128ft^3

Hope this helps :)

ratelena [41]4 years ago
3 0

Answer:

sorry i guessed lol 384

Step-by-step explanation:

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The quotient of a number and 3 is 9.
solong [7]
I need help my self lol
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2 years ago
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Ejemplo: Martin necesita sembrar unos terrenos de cultivo. Ha gestionado un
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Step-by-step explanation:

10

8 0
3 years ago
-|3n| - 2 = 4 <br><br> a. -8 b. -2 c. 3 d. -3
Ber [7]

Answer:

-2

Step-by-step explanation:

-|3n| - 2 = 4

|3n| = -6

3n = -6 or 3n = -(-6)

n = -2 n = 2

Since 2 is not part of the options, -2 is the only correct answer

6 0
3 years ago
If (5x− 4)(3x+ 7) = 15x²-ax-b,then find the value of a and b
Mkey [24]

Answer:

a=-23\\\\b=28

Step-by-step explanation:

Let's start by using distributive multiplication:

(a\pm b)(c\pm d)=ac\pm ad \pm bc \pm bd

So:

(5x-4)(3x+7)=15x^2+35x-12x-28\\\\

Grouping like terms:

15x^2 +(35x-12x)-28\\\\15x^2+23x-28

Now, 15x^2+23x-28 is equal to:

15x^2-ax-b

In this sense:

15x^2+23x-28=15x^2-ax-b

In order to satisfied the equality:

23x=-ax\hspace{10}(1)\\\\and\\\\-28=-b\hspace{10}(2)

Hence, from (1), let's solve for a:

23x=-ax\\\\-a=\frac{23x}{x} \\\\-a=23\\\\a=-23

And from (2), let's solve for b:

-28=-b\\\\b=28

Let's verify the result evaluating the values of a and b into the original equation:

(5x-4)(3x+7)=15x^2+23x-28=15x^2 -ax -b\\\\(5x-4)(3x+7)=15x^2+23x-28=15x^2 -(-23)x -(28)\\\\(5x-4)(3x+7)=15x^2+23x-28=15x^2 +23x -28

As you can see, the values satisfy the equation, therefore, we can conclude they are correct.

3 0
3 years ago
Arnoldo needs to write this system in slope-intercept form. Which shows how he could do that? 3 x minus 2 y = 6. 0.4 (20 y + 15)
kotegsom [21]

Answer:

  y = three-halves x minus 3

Step-by-step explanation:

Subtract 3x from both sides of the original equation.

  -2y = -3x +6

Divide by -2

  y = 3/2x -3

4 0
3 years ago
Read 2 more answers
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