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3 years ago

1/3 divided by 3/4 as a fraction

Mathematics

1 answer:

lara31 [8.8K]3 years ago

8 0

Answer:

4/9 or 0.44444444444444 in decimals

Step-by-step explanation:

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The table below shows the lowest temperature, in degrees Fahrenheit, on each of 5 days for a city

katrin [286]

Answer:

-6.8

Step-by-step explanation:

Add up all the numbers then divide by how many numbers there are

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3 years ago

Find x if y =(x - 4) - 25 and y=0

shusha [124]

1 switch sides
(x-4)=0
add four to both sides
x-4+4 = 0+4
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3 years ago

PLEASE HELP?! BRAINLIEST ANSWER INCLUDED!! I’m freaking out rn pls send some help!

Alex Ar [27]

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3 years ago

Got a calc 1 question,

belka [17]

$v=\dfrac h{3x}\implies\dfrac{\mathrm dv}{\mathrm dt}=\dfrac{3x\frac{\mathrm dh}{\mathrm dt}-3h\frac{\mathrm dx}{\mathrm dt}}{3x^2}$

By the chain rule,

$\dfrac{\mathrm dh}{\mathrm dt}=\dfrac{\mathrm dh}{\mathrm dx}\dfrac{\mathrm dx}{\mathrm dt}$

We have

$h(x)=4e^{2x-6}-x^2+5\implies\dfrac{\mathrm dh}{\mathrm dx}=8e^{2x-6}-2x$

and we're given that $x$ changes at a constant rate of $\frac{\mathrm dx}{\mathrm dt}=0.2$ thousand people per minute, which means

$\dfrac{\mathrm dv}{\mathrm dt}=\dfrac{3x\left(8e^{2x-6}-2x\right)\left(0.2\frac{\text{thousand people}}{\rm min}\right)-3h\left(0.2\frac{\text{thousand people}}{\rm min}\right)}{3x^2}$

At the moment $x=4$ thousand people are in the park, we have $h(4)=4e^2-11$ , so we find

$\dfrac{\mathrm dv}{\mathrm dt}=\dfrac{12\left(8e^2-8\right)-3(4e^2-11)}{240}\dfrac{\text{thousand people}}{\rm min}=\dfrac{7(4e^2-3)}{80}\dfrac{\text{thousand people}}{\rm min}$

or approximately 2.324 thousand people per minute.

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4 years ago

avanturin [10]

Answer:

Step-by-step explanation:

because i said so

5 0

3 years ago