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3 years ago

Find the volume of a rectangular pyramid with the following dimensions.

Mathematics

1 answer:

PolarNik [594]3 years ago

3 0

Answer:

Step-by-step explanation:

like my answer please gimme the brain

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2x-y=3 ; 5x+2y=30 solve using elimination

Zigmanuir [339]

Answer:

x = 4, y = 5

Step-by-step explanation:

$2x-y=3\\4x-2y=6$

so:

$4x - 2y = 6\\+ 5x + 2y = 30\\9x= 36\\x=4$

Substitute this into 2x - y = 3:

$8-y=3\\y = 5$

4 0

3 years ago

John conducted a regression analysis of the sale price of a random sample of houses in one neighborhood as a function of house s

juin [17]

It's sale price as a function of house size so the independent variable is house size and the dependent variable is sale price.

Answer: sale price

4 0

3 years ago

Differentiating Functions of Other Bases In Exercise, find the derivative of the function.

zimovet [89]

Answer:

$y' = -\frac{1}{2.3x}$

Step-by-step explanation:

The derivative of $a*x^{n}$ is $a*n*x^{n-1}$ . The derivative of $3x^{-1}$ is $-3x^{-2}$ , for example.

Derivative of the log function:

$y = \log_{a}{f(x)}$

Has the following derivative

$y' = \frac{f'(x)}{\ln{a}*f(x)}$

In this problem, we have that:

$y = \log_{10}{\frac{3}{x}}$

$a = 10, f(x) = \frac{3}{x} = 3x^{-1}, f'(x) = -3x^{-2}$

The derivative of the function is:

$y' = \frac{f'(x)}{\ln{a}*f(x)}$

$y' = \frac{-3x^{-2}}{2.3*3x^{-1}}$

$y' = -\frac{1}{2.3x}$

6 0

3 years ago

potassium is a metal and chlorine is a nonmetal. if these two elements were to bond, they would form a(n) ionic compound covalen

klio [65]

Ionic bond because it forms when electrons are exchanged between a non-mental and a metal.

8 0

3 years ago

Describe a real world problem situation that can be represented by the quotient of -85➗15

Mariulka [41]

For instance if you have 85 dollars in debt and you want to pay it off monthly 15 dollars at a time, and you wan't to find how many months will it take to pay it off.

Hope it helps!

5 0

3 years ago

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