2 years ago

Help pls for question 5 answer would be appreciated

Mathematics

1 answer:

Damm [24]2 years ago

3 0

It will be 89 because 27+17+15+13+8+3+6

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UNO [17]

Answer: DE, EW WD

Step-by-step explanation:

It looks shortest to longest...i think its the best answer. good luck :>

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2 years ago

Which<br> equation represents a line that passes through (-2, 4) and has a slope of 2/5?

pashok25 [27]

Answer:y - 4 = 2/5(x + 2)

Step-by-step explanation:

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1 year ago

NEED ASAP!!<br><br> Name all the radii shown on this circle. Select all that apply.

11Alexandr11 [23.1K]

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2 years ago

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The curve with equation y=e^2x/4+3e^x has one stationary point.find the exact value of the coordinates of this point

Softa [21]

$y=\dfrac{e^{2x}}{4+3e^x}$
$\implies y'=\dfrac{2e^{2x}(4+3e^x)-3e^xe^{2x}}{(4+3e^x)^2}$
$\implies y'=\dfrac{8e^{2x}+3e^{3x}}{(4+3e^x)^2}$

Stationary points occur where the derivative is zero. The denominator is positive for all $x$ , so we only need to worry about the numerator.

$8e^{2x}+3e^{3x}=e^{2x}(8+3e^x)=0$

$e^{2x}>0$ for all $x$ , so we can divide through:

$8+3e^x=0\implies e^x=-\dfrac83$

But $e^x>0$ for all $x\in\mathbb R$ , so this function has no stationary points...

I suspect there may be a typo in the question.

6 0

2 years ago

What is the answer to this

blsea [12.9K]

Using the calculator it is 27.47 round off to 27.5

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2 years ago