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iogann1982 [59]
3 years ago
10

The scatter plot shows the results of a survey in which 10 students were asked how many hours they spent studying for a test and

the score they earned. How many students scored a 90 or above? Enter your answer in the box.
it want let me upload photo but the the answer is 5
Mathematics
2 answers:
storchak [24]3 years ago
7 0

Answer:

i can't see the scatter plot

Step-by-step explanation:

Nadusha1986 [10]3 years ago
4 0

Answer: the scatter plot you just sent me the answer would be 5

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What is the center and radius of the circle shown by the equation? (x+8)2+(y+3)2=6.25
777dan777 [17]
The center is (-8, -3)

the radius is 2.5

hope that helps, God bless!
4 0
3 years ago
What is the slope of the line shown?? Please help i been stuck on this all day yesterday and now today..
Talja [164]
I hope this helps.if you have any questions regarding what I did you can ask

4 0
4 years ago
An experiment consists of choosing objects without regards to order. Determine the size of the sample space when you choose the
sdas [7]

Answer:

a

    n=  75, 582

b

  n=    2300

c

  n =   253

Step-by-step explanation:

     Generally the size of the sample sample space is  mathematically represented as

           n  =   \left N } \atop {}} \right.  C_r

Where   N is the total number of objects available and  r is the  number of objects to be selected

    So  for  a,  where N = 19  and r = 8  

         n  =   \left 19 } \atop {}} \right.  C_8 =  \frac{19 !}{(19 - 8 )! 8!}

                           =     \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}

                           n=  75, 582

    For  b  Where  N  = 25 and  r  =  3

           n  =   \left 25 } \atop {}} \right.  C_3 =  \frac{25 !}{(19 - 3 )! 3!}

                             =     \frac{25 *24 *23 *22 !  }{22 ! \ 3!}

                             n=    2300

   For  c  Where  N  = 23 and  r  =  2

            n  =   \left 23 } \atop {}} \right.  C_2 =  \frac{23 !}{(23 - 2 )! 2!}

                              =     \frac{23 *22 *21!  }{21 ! \ 3!}

                              n =   253

4 0
4 years ago
The function f(x)=logx is transformed into the equation f(x)=log(1/4x).
lesya692 [45]

Answer:

Given the parent function: f(x) =\log x

Rule for Horizontal Stretches and Compression:

If parent function y=f(x), then y=f(cx) gives a horizontal stretch when  c >1 and

a horizontal compression when 0<c<1.


therefore, by above definition

the function f(x) = \log(\frac{1}{4}x) is a Horizontal compression by a factor of c =\frac{1}{4} = 0.25

therefore, the function  f(x) = \log(\frac{1}{4}x) is HORIZONTAL COMPRESSION of the parent function by a factor of 0.25

8 0
4 years ago
Side1 : 3x^2 − 4x − 1 (^to the second power)
Colt1911 [192]

9514 1404 393

Answer:

  A. 2x^2 +4

  B. 5x^3 -4x^2 +3x -12

  C. addition and subtraction of polynomials result in polynomials (closed)

Step-by-step explanation:

A. The total of the two side lengths is ...

  (3x^2 -4x -1) +(-x^2 +4x +5) = (3 -1)x^2 +(-4+4)x +(-1+5) = 2x^2 +4

__

B. The length of the third side is the difference between the total for all three sides and the total for the given two sides:

  (5x^3 -2x^2 +3x -8) - (2x^2 +4) = 5x^3 +(-2-2)x^2 +3x +(-8-4)

  = 5x^3 -4x^2 +3x -12

__

C. Addition of the two polynomials results in a polynomial. Subtraction of the two polynomials results in a polynomial. There is nothing here to indicate the set of polynomials is not closed under addition and subtraction.

7 0
3 years ago
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