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Citrus2011 [14]

3 years ago

14

Why do we find the smell of gasoline good?

2 answers:

wariber [46]3 years ago

7 0

Answer:

The olfactory bulb, or the nerves that detect scent molecules, are closely tied in with the brain's amygdala (which processes emotional response) and hippocampus (which handles memory formation). Put simply, scents make us react on an emotional level. That's likely why gasoline triggers a pleasant response.

mestny [16]3 years ago

6 0

Answer:

some people do some people don't it's just desire the people who are classified as petrol sniffers gasoline contains benzene which has the nice fragrance.

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Simplify: [5×(25)^n+1 - 25 × (5)^2n]/[5×(5)^2n+3 - (25)^n+1]

Alekssandra [29.7K]

$\green{\large\underline{\sf{Solution-}}}$

<u>Given expression is </u>

$\rm :\longmapsto\:\dfrac{5 \times {25}^{n + 1} - 25 \times {5}^{2n} }{5 \times {5}^{2n + 3} - {25}^{n + 1} }$

can be rewritten as

$\rm \: = \: \dfrac{5 \times { {(5}^{2} )}^{n + 1} - {5}^{2} \times {5}^{2n} }{5 \times {5}^{2n + 3} - {( {5}^{2} )}^{n + 1} }$

We know,

$\purple{\rm :\longmapsto\:\boxed{\tt{ {( {x}^{m} )}^{n} \: = \: {x}^{mn}}}} \\$

And

$\purple{\rm :\longmapsto\:\boxed{\tt{ \: \: {x}^{m} \times {x}^{n} = {x}^{m + n} \: }}} \\$

So, using this identity, we

$\rm \: = \: \dfrac{5 \times {5}^{2n + 2} - {5}^{2n + 2} }{{5}^{2n + 3 + 1} - {5}^{2n + 2} }$

$\rm \: = \: \dfrac{{5}^{2n + 2 + 1} - {5}^{2n + 2} }{{5}^{2n + 4} - {5}^{2n + 2} }$

can be further rewritten as

$\rm \: = \: \dfrac{{5}^{2n + 2 + 1} - {5}^{2n + 2} }{{5}^{2n + 2 + 2} - {5}^{2n + 2} }$

$\rm \: = \: \dfrac{ {5}^{2n + 2} (5 - 1)}{ {5}^{2n + 2} ( {5}^{2} - 1)}$

$\rm \: = \: \dfrac{4}{25 - 1}$

$\rm \: = \: \dfrac{4}{24}$

$\rm \: = \: \dfrac{1}{6}$

<u>Hence, </u>

$\rm :\longmapsto\:\boxed{\tt{ \dfrac{5 \times {25}^{n + 1} - 25 \times {5}^{2n} }{5 \times {5}^{2n + 3} - {25}^{n + 1} } = \frac{1}{6} }}$

4 0

2 years ago

Jaime guessed her gas tank would need 11.85 gallons to be full. It actually

meriva

Answer:

0.6%?

Step-by-step explanation:

5 0

2 years ago

Help please I really need help<br> :)

Firdavs [7]

Answer:

Solution given:

For 1st

x²=71

For x=± $\sqrt{71}$

and

For 2nd

x³=71

For x=± $\sqrt[3]{71}$

So answer is:

In first row

<u>Solution to x²=71</u>

In second row

<u>Solution to </u><u>x³</u><u>=71</u>

In third row

<u>neither</u>

In forth row

<u>Solution to x³=71</u>

6 0

2 years ago

A) Work out the value of 213 + (29)2

Alina [70]

a) 2^13 / 2^18

b) 216

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2 years ago

Tammy accidentally wrote a check for more money than she had in her checking account. When she got her statement, she saw that h

sergejj [24]

Answer:

-100

Step-by-step explanation:

1/5 of -125 will be -25.

So, if she deposits 1/5 of what she owes, then she will deposit $25.

Her balance will then become -100 because she paid back 25.

Her new balance is -100

7 0

3 years ago