3 years ago

How much dirt is there in a hole 3 feet deep, 6 ft long and 4 ft wide?

1 answer:

Vesna [10]3 years ago

6 0

I think it would be 72ft

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FinnZ [79.3K]

F(x)= y
this is the equation that explains the problem<span />

7 0

3 years ago

mr_godi [17]

Answer: It is 2.

Step-by-step explanation:

Make both equation equal to each other and solve for x, as following:

- Add like terms.

- Factor the equation.

$8x-14=x^{2}+4x-10\\x^{2}+4x-10-8x+14=0\\x^2-4x+4=0\\(x-2)(x-2)=0\\(x-2)^2=0\\x=2$

Substitute the value of x obtained into any of the original equations to obtain the y-coordinate.

Then, this is:

$y=8(2)-14\\y=16-14\\y=2$

3 0

2 years ago

Vlad1618 [11]

Is that all that the question says ?

5 0

2 years ago

Lilit [14]

Answer:

$3(2+7a)=6+$

$6 + 21a = 6$

$21a + 6 = 6 + 21a$

answer is 21a

8 0

2 years ago

krek1111 [17]

3834m to the upper 2

7 0

3 years ago