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3 years ago

Find the Volume. Plz Help

Mathematics

2 answers:

vichka [17]3 years ago

4 0

Answer:

1944 cm cubed

Step-by-step explanation:

Volume = L*W*H

18 * 9 = 162

12 * 162 = 1944

1944

koban [17]3 years ago

3 0

Answer:

Step-by-step explanation:

$V = \frac{l*w*h}{2} = \frac{18*12*9}{2} = \frac{1944}{2} = 972$

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Eva8 [605]

y = - $\frac{4}{3}$ x - 3

the equation of a line in ' slope intercept form ' is

y = mx + c

where m is the slope and c the y-intercept

here m = - $\frac{4}{3}$ and c = - 3

thus y = - $\frac{4}{3}$ x - 3 is the slope- intercept equation

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4 years ago

Please help they’re 2 questions

IgorLugansk [536]

i think it’s is a for the first one

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4 years ago

Which expression is a sum of cubes?

erik [133]

we know that

A polynomial in the form $a^{3} +b^{3}$ is called a sum of cubes

Let's verify each case to determine the solution

case A) $-64x^{6} y^{12} +125x^{16} y^{3}$

we know that

$-64=-4^{3}$

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{16}=x^{15} *x=x*(x^{5})^{3}$ -------> is not a perfect cube

$y^{3}= (y)^{3}$

therefore

the case A) is not a sum of cubes

case B) $-32x^{6} y^{12} +125x^{16} y^{3}$

we know that

$-32=-2^{5}$ -------> is not a perfect cube

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{16}=x^{15} *x=x*(x^{5})^{3}$ -------> is not a perfect cube

$y^{3}= (y)^{3}$

therefore

the case B) is not a sum of cubes

case C) $32x^{6} y^{12} +125x^{9} y^{3}$

we know that

$32=2^{5}$ -------> is not a perfect cube

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{9}=(x^{3})^{3}$

$y^{3}= (y)^{3}$

therefore

the case C) is not a sum of cubes

case A) $64x^{6} y^{12} +125x^{9} y^{3}$

we know that

$64=4^{3}$

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{9}=(x^{3})^{3}$

$y^{3}= (y)^{3}$

Substitute

$4^{3}(x^{2})^{3}(y^{4})^{3} +5^{3}(x^{3})^{3}(y)^{3}$

$(4x^{2}y^{4})^{3} +(5x^{3}y)^{3}$

therefore

the answer is

$64x^{6} y^{12} +125x^{9} y^{3}$ is a sum of cubes

6 0

3 years ago

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Will give brainliest give the answer and steps

Inessa05 [86]

What variable??????????

8 0

3 years ago

2 Points

KonstantinChe [14]

Answer:

Step-by-step explanation:

The angle adjacent to x on XY = 115° ( corresponding angle )

This angle and x are adjacent and supplementary , thus

x = 180 - 115 = 65 → C

6 0

3 years ago

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