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Neporo4naja [7]

2 years ago

15

The cost of a peanut butter bar is $0.07 more than the cost of a chocolate bar. If you buy 5 peanut butter bars and 6 chocolate

bars, the total cost is $6.40. How much does the chocolate bar cost?
$0.61

$0.55

$0.54

$0.62

1 answer:

Licemer1 [7]2 years ago

4 0

Hello!

To be quick and simple, your answer would be $0.55

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Answer:

43

Step-by-step explanation:

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3 years ago

In context, the phrase "This from her" (lines 47-48)

JulsSmile [24]

According to the In context, the phrase "This from her" (lines 47-48) helps to suggest that a <u>certain decision is out of character</u>

The correct option is C.

<h3>Explanation:</h3>

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5 0

1 year ago

If f(x)=ln(sin(2x)), f''(π/4) is equal to

Licemer1 [7]

Use the chain rule to compute the second derivative:

$f(x)=\ln(\sin(2x))$

The first derivative is

$f'(x)=(\ln(\sin(2x)))'=\dfrac{(\sin(2x))'}{\sin(2x)}=\dfrac{\cos(2x)(2x)'}{\sin(2x)}=\dfrac{2\cos(2x)}{\sin(2x)}$

$f'(x)=2\cot(2x)$

Then the second derivative is

$f''(x)=(2\cot(2x))'=-2\csc^2(2x)(2x)'$

$f''(x)=-4\csc^2(2x)$

Then plug in π/4 for <em>x</em> :

$f''\left(\dfrac\pi4\right)=-4\csc^2\left(\dfrac{2\pi}4\right)=-4$

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3 years ago

What is 3(x-7x)-y and how do you do it?

svetoff [14.1K]

3(x-7x)-y 3(-6x)-y -18x-y

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3 years ago

A farmer wishes to enclose a pasture that is bordered on one side by a river (so one of the four sides wont require fencing) She

docker41 [41]

The area enclosed is (2x)(600-2x).(2x)(600−2x)=1200x−4x2
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Therefore the sides for maximum area are 150*300.
<span>The area is: 45000</span>

6 0

2 years ago

Read 2 more answers