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Zina [86]
2 years ago
6

Derek reads at a rate of 25 words per minute. If he reads constantly until he is finished how long would it take him to read a 2

25 word article?
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
5 0

Answer:

9

Step-by-step explanation:

if you divide 225 by 25 u get 9

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scores on the act college entrance exam follow a bell-shaped distribution with mean 18 and standard deviation 6. Wayne's standar
WITCHER [35]

Answer:

His actual score is 15

Step-by-step explanation:

Here, we are interested in calculating Wayne’s actual score on the ACT

when we say the scores have being standardized, it means the score was reported in terms of the z-score and not the initial raw scores.

Now, mathematically, for the scores to have a negative z-score, it means it is actually below the mean.

The formula for the z-score or standard score is given below;

z-score = (x - mean)/SD

where in this case, x = ? which is the score we are looking for , z-score = -0.5 , mean score = 18 and standard deviation of the scores = 6

So, substituting these values into the z-score equation, we have;

-0.5 = (x-18)/6

x-18 = 6(-0.5)

x -18 = -3

x = -3 + 18

x = 15

7 0
3 years ago
Jaylah has two packages of trail mix. The first package weighs 2.40 pounds and the second package weighs 3.25 pounds. She mixes
navik [9.2K]
She can make up to 22 bags because you have to add 2.40 and 3.25 together to get 5.65 then divide by .25 to get 22.6 she can make a total of 22 with .6 left over
7 0
3 years ago
Natasha is driving at a rate of 4 miles every 3 minutes. How fast is Natasha driving in miles per hour?
balandron [24]
Answer: D

Explanation:
8 0
3 years ago
Pls help soon!Amélie runs a bakery. She wants to find out whether her cake sales are affected by the weather conditions. She rec
kozerog [31]
1.The correlation coefficient is close to B. 0.50
we can conclude that Amélie's cake sales are affected by the daily temperature. <span>A. Strongly</span>
5 0
3 years ago
Read 2 more answers
Question: -2 - (-4)
Sergeeva-Olga [200]

Answer:

<h2>2</h2>

Step-by-step explanation:

Follow PEDMAS

-2 - (-4)

Follow rule : -(-a)= + a

- 2 + 4 \\  = 2

5 0
3 years ago
Read 2 more answers
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