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RideAnS [48]
4 years ago
9

Please help me thank you

Mathematics
1 answer:
Digiron [165]4 years ago
5 0

Answer:

B

Step-by-step explanation:

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Sara collected $135 in donations for the hospital. This represents 5% of the total amount collected by her class. How much did t
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Answer:

Step-by-step explanation:

A(5/100)=135

A=100(135)/5

A=$2700

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Find a single expression that represents the area of the outer ring of the circle if the area of the whole circle is represented
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Answer:  The answer is A_o=2\pi\sqrt{\dfrac{7}{22}(25x^2-12x-9)}.


Step-by-step explanation: Given that the area of the whole circle is represented by the expression

A_c=25x^2-12x-9.

We are to find the area of the outer ring of the circle, i.e., to find the circumference of the circle.

Now, if 'r' represents the radius of the circle, then we have

A_c=\pi r^2\\\\\Rightarrow \dfrac{22}{7}r^2=25x^2-12x-9\\\\ \Rightarrow r^2=\dfrac{7}{22}(25x^2-12x-9)\\\\\Rightarrow r=\sqrt{\dfrac{7}{22}(25x^2-12x-9)}.

Thus, the area of the outer ring is

A_o=2\pi r=2\pi\sqrt{\dfrac{7}{22}(25x^2-12x-9)}.


5 0
4 years ago
Write the equation 8x+3y=-3 in slope intercept form.
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Answer:

y=8/3x-1

Step-by-step explanation:

y=mx+b

You turn 8 & 3 into a fraction while keeping the X.

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3 years ago
Step1: find the Laplace transform of the solution Y(s).Y(s). Write the solution as a single fraction in s
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Complete Question :

  The question is shown on the first uploaded image

Answer:

The solution is the second uploaded image

Step-by-step explanation:

The step by step explanation is on the third, fourth and fifth uploaded image

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3 years ago
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