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Vikentia [17]
3 years ago
12

HELP HURRY PLEASE !!!

Mathematics
2 answers:
Lisa [10]3 years ago
8 0

Answer:C

Step-by-step explanation:

D and P are both congruent angles. There isn’t much that I can explain but you can try and do the process of elimination and see if that helps next time! :)

Masja [62]3 years ago
5 0

Answer:

letter a

Step-by-step explanation:

a plus b equal to a

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If a club charges dues of $200 a year, it will have 50 members. For each $5 it raises its dues, it loses a member. USE AN EQUATI
Vikentia [17]

Answer:

The value is      y  =  \$ 225

Step-by-step explanation:

From the question we are told that

   The amount charge per year is  k  =  \$ 200

   The  number of members it will have at this amount is  n  =  50

   The amount amount increase that will lead to the loss of a single member is   z =  \$ 5

        Generally the total amount the club would obtain from  its members is mathematically represented as

      I  =  Amount \  due\ paid *  Number \  of members

Now let x denote the number of member lost

Hence

      I  =  (k + zx) (n-x )

=>    I  =  (200 + 5x) (50-x )

=>  I  = 10000+50x-5x^2

Thus the number of members that be removed to  give the maximum  income from dues is obtained by differentiating the above equation and equating it to zero

           \frac{dI}{dx}  =  50-10x

=>         x   =  5

So from  I  =  (200 + 5x) (50-x ) we have

          I  =  (200 + 5 (5)) (50-5 )

           I  = \$ 10125

So the amount the club should charge is    

         y  =  \frac{10125}{50 - 5}

         y  =  \$ 225

         

7 0
3 years ago
using the formula c = 2pier, find the circumference of a circle with diameter of 28 inches. round your answer to the nearest inc
Cloud [144]
So than given that the diameter of a circle is 28 inches so from this result the radius is d/2 = 28/2 = 14 inches 

than the circumference of circle will be equal 2*3,14*14 = 6,28 *14 = 87,92 so rounded equal 88 in.

so this mean that choice c.) is right sure 

hope this will help you 
6 0
3 years ago
How much of earth's surface is covered by water,including both salt and fresh water?
Crank

Answer:

About 71% of Earth's surface is covered in water.

Step-by-step explanation:

About 97% of Earth's water is salt water.

About 3% of Earth's water is fresh water.

7 0
3 years ago
Sphere B is the image of sphere A after dilation by a scale factor of 44. If the surface area of sphere B is 432 km^2, find the
Sergeeva-Olga [200]
<h2>Answer:</h2>

27 km²

<h2>Step-by-step explanation:</h2>

SA=4\pi Jr^2

  4\pi r^2_B=432

      r^2_B=\frac{108}{\pi}

      r_B=\frac{6\sqrt3}{\sqrt{50}}

r_A=\frac{r_B}{4}=\frac{3\sqrt3}{2\sqrt\pi}

S_0SA=4\pi Y\begin{matrix}2\\A\\\end{matrix}

         =4\pi\bullet\frac{27}{4\pi}

         =27\ km

   Y_B:Y_A=4=1

  SA_B:SA_A=16:1

                 432\div 16=27\ km^2

                          simple\ relation.

<em>I hope this helps you</em>

<em>:)</em>

7 0
2 years ago
The sum of three consecutive odd numbers is 51
Brrunno [24]
Tried a whole bunch of odd sequences:

11 + 13 + 15 = 39
Nope too small.

21 + 23 + 25 = 69
Woah too big!

And after a few more trials found that:
17 + 19 + 21 = 51

Woohoo!
7 0
3 years ago
Read 2 more answers
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