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Tatiana [17]
3 years ago
9

Dwayne and Alisha both correctly graphed a standard normal curve. Which of the following statements is true? Neither the means n

or the standard deviations of Dwayne’s and Alisha’s graphs must be the same. The means of Dwayne’s and Alisha’s graphs must be the same but not the standard deviations. The standard deviations of Dwayne’s and Alisha’s graphs must be the same but not the means. Both the means and the standard deviations of Dwayne’s and Alisha’s graphs must be the same.
Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0

Answer:

The last one is correct:  Both the means and the standard deviations of Dwayne’s and Alisha’s graphs must be the same.

Step-by-step explanation:

Just took the test

natta225 [31]3 years ago
7 0

Answer: Both the means and the standard deviations of Dwayne’s and Alisha’s graphs must be the same.

Step-by-step explanation:

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olya-2409 [2.1K]

Answer:c)21

Step-by-step explanation:

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3 years ago
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2. help now!!!!!!!! A certain TV costs $599.99 at Best Buy. On black Friday, it is on sale for 40% off. What is the price of the
Arturiano [62]

Answer:

$360. (I believe so, anyways.)

Step-by-step explanation:

Original Price x Discount % / 100

Discount = 600 × 40/100

 24000/100

$600 - $240

Final Price = $360

8 0
3 years ago
I have $25 all in nickels and dimes. There are twice as many Nickles as dimes. How many of each are there?
Mama L [17]

Answer:

N=250

Step-by-step explanation:

 "twice as many nickels as dimes"     means    N =2D     [eq1]

 "collection of nickels and dimes is worth $25"    means

        5N + 10D = 2500      [eq2]

   (To avoid using decimal points, PLZ express everything in cents.)

Substitution   (substitute N from eq1 into eq2]:

     5(2D) + 10D = 2500

      10D + 10D = 2500

          20D = 2500

            D = 125

      N=2D         [eq1 again]

      N=2(125)

      N=250

Check:

  Is   5(250) + 10(125) = 2500   ?

        1250 +  1250 = 2500   ?

          2500 = 2500   ?yes

7 0
3 years ago
15 POINTS PLEASE HELP ASAP!!<br> (pls dont write random answers)
quester [9]

Answer:

its either d or a

Step-by-step explanation:

3 0
3 years ago
I need help!
pashok25 [27]

Answer:

No idea sorry we have not learned this yet

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