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kodGreya [7K]
3 years ago
10

This figure is

Mathematics
1 answer:
Ratling [72]3 years ago
4 0

Solution

The perimeter of the 1/4 of the circle is = (pi/2 + 2)r

Here pi = 3.14, r = 3

Now plug in the values in to the above formula.

=(3.14/2 + 2) 3

= (1.57 + 2) 3

= 3.57*3

Perimeter of the circle = 10.71 cm.

The answer is C) 10.7 cm

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What is the value of y in the formula shown when x = 4 5 ? y = 4 x + √x + 0.2 - 5x
Vika [28.1K]

Answer:

-38.1

Step-by-step explanation:

180 + 6.7 + 0.2 - 225

186.9 - 225

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8 0
3 years ago
Solve for the rate in the eqution d=rt
Zolol [24]

Answer:

<em>The rate of the equation is r when r is a constant</em>

Step-by-step explanation:

     We need to solve for the rate of the equation  

     d = rt

     Differentiating on both sides with respect to time

     \frac{\mathrm{d} d}{\mathrm{d} t} = \frac{\mathrm{d} rt}{\mathrm{d} t}

      Considering r as a constant

       \frac{\mathrm{d} d}{\mathrm{d} t} =  r×\frac{\mathrm{d} t}{\mathrm{d} t}

      where, \frac{\mathrm{d} t}{\mathrm{d} t} = 1

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     <em>  The rate of the equation is r when r is a constant</em>

<em>        </em>

5 0
3 years ago
How do you solve: f(x) = -x2e-x<br> +2xe-x , finding the zero's of f.
Maksim231197 [3]

Answer:

0 and 2

Step-by-step explanation:

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To find zeros set f(x)=0  and solve for x

0 = -x^2e^{-x}+2xe^{-x}

0 = -e^{-x}(x^2-2x)

now factor out x

0 = -xe^{-x}(x-2)

set each factor =0 and solve for x

x=0

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zeros of f  are 0 and 2

7 0
4 years ago
Can you help to solve this and explain how thanks in advance
gtnhenbr [62]

Hey there! :)

Answer:

5.

Step-by-step explanation:

The pattern of this puzzle is to take the bottom two numbers of the triangle, find the sum, then divide by the top number. For example:

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5 + 13 = 18 --> 18/6 = 3.

9 + 5 = 14 --> 14/2 = 7.

Therefore:

14 + 6 = 20 --> 20/4 = 5. The missing number is 5.

6 0
3 years ago
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