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Gnesinka [82]
3 years ago
9

I need some help asap!

Mathematics
2 answers:
andriy [413]3 years ago
8 0

Answer:

center of rotation

Step-by-step explanation:

the triangle ABC is rotated about point D to create triangle A'B'C'

Anuta_ua [19.1K]3 years ago
7 0

Answer:

I think itd center of rotataion

Step-by-step explanation:

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In a class of 25 students, 24 of them took an exam in class and 1 student took a make-up exam the following day. The professor g
gavmur [86]

Answer:

The  value is   \mu_n  =  73.6

Step-by-step explanation:

From the question we are told that

   The total number of students is  N =  25

    The  number of student that took exam in class is  n  = 24

    The number that took make up exam is  k  =  1

     The  average score of the first 24 students is  \mu  =  74

       The  standard deviation is \sigma  =  8.9

      The  average score of the student who took make up test is \= x  =  64

Generally the new average is mathematically represented as

      \mu_n  =  \frac{( n * \mu ) +  \= x }{N}

      \mu_n  =  \frac{( 24 * 74 ) +  64 }{25}

       \mu_n  =  73.6

7 0
2 years ago
Allen's Roofing posts $5,000 in net income and $200 in dividends for the year. How does this affect the retained earnings on the
kumpel [21]

Answer:

"Retained earnings increases by $4,800"

Step-by-step explanation:

Retained Earnings are the amount of money left over for a business after it has paid its dividends from its net income.

Simply put:

Retained Earnings = Income - Dividends

Here, it is given:

Income = 5000

Dividends = 200

Hence,

Retained Earnings = 5000 - 200 = $4800

4 0
2 years ago
Read 2 more answers
9 yd<br> 9 yd<br> 5 yd<br> 3 yd<br> Perimeter:<br> Area:
Kipish [7]

Area:66 Perimeter:36

Step-by-step explanation:

Perimeter: 9+9+5+3+4+6: 36

as 9-5 is 3

and 9-3 is 6

Area: 9*6 +3*4: 66

5 0
2 years ago
In a box there are five dimes, two quarters, and three pennies. If a coin is selected at random, what is the probability that it
Sphinxa [80]

Answer:

Quarter

Step-by-step explanation:

Quarter, because it is a bigger item so it would probobly easily be picked.

8 0
2 years ago
I need help on this question
Pie

Answer:

(f-g)(4) = 10

Step-by-step explanation:

(f-g)(x) = f(x) - g(x)

= 1/2 x^2 - 1/4 x + 4 - 1/2 x + 1

= 1/2 x^2 - 1/4 x - 1/2 x + 4 + 1

= 1/2 x^2 - 3/4 x + 5

(f-g)(4)

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

= 1/2 * 16 - 3 + 5

= 8 - 3 + 5

= 5 + 5

= 10

4 0
2 years ago
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