4 years ago

Can someone help with this please??

Mathematics

1 answer:

adoni [48]4 years ago

8 0

Answer:

doesn't x equal 6 too?

Step-by-step explanation:

since x is the same size as the other side of the triangle

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Which expression is a factor of 3xy + 2x − 18y − 12?

trapecia [35]

X(3y+2)-6(3y+2)
(x-6)(3y+2)
so the answer is 2+3y

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3 years ago

Read 2 more answers

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lubasha [3.4K]

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3 years ago

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3 years ago

Help with num 9 please. thanks

Alik [6]

Answer:

See Below.

Step-by-step explanation:

We want to show that the function:

$f(x) = e^x - e^{-x}$

Increases for all values of <em>x</em>.

A function is increasing whenever its derivative is positive.

So, find the derivative of our function:

$\displaystyle f'(x) = \frac{d}{dx}\left[e^x - e^{-x}\right]$

Differentiate:

$\displaystyle f'(x) = e^x - (-e^{-x})$

Simplify:

$f'(x) = e^x+e^{-x}$

Since eˣ is always greater than zero and e⁻ˣ is also always greater than zero, f'(x) is always positive. Hence, the original function increases for all values of <em>x.</em>

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3 years ago

2. If the width of a pool is 60 feet and the perimeter is 200 feet, how long is the pool?

xxTIMURxx [149]

Answer: its 12,000

Step-by-step explanation:

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3 years ago

Can someone help with this please??​

Can someone help with this please??