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Veseljchak [2.6K]
3 years ago
12

The perimeter of a square is 48 cm. What is the length of each side of the square?

Mathematics
2 answers:
Alecsey [184]3 years ago
7 0

Answer:

12 cm

Step-by-step explanation:

48/4 is 12 since there is 4 sides and all of them are equal.

zepelin [54]3 years ago
4 0

Answer:

the answer is 192

Step-by-step explanation:

48 + 48 +48 +48 since a square is 4 sided and you add it all together which gets you 192.

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VashaNatasha [74]

-7x>4(-3x-5) do the distributive property

-7x>-12x-20 add 12 x to both sides

5x>-20 divide both sides by 5

x>-4


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3 years ago
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Hank scored 10% extra on his 30 point assignment how many extra points did he earn?
KiRa [710]

Answer:

3

Step-by-step explanation:

10% of 30 = 3

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3 years ago
Gretchen made a paper cone to hold a gift for a friend. The paper cone was 15 inches high and had a
Softa [21]

Answer:

123b

Step-by-step explanation:

5 0
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Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights
Fed [463]

Answer:

a) 615

b) 715

c) 344

Step-by-step explanation:

According to the Question,

  • Given that,  A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 732 babies born in New York. The mean weight was 3311 grams with a standard deviation of 860 grams

  • Since the distribution is approximately bell-shaped, we can use the normal distribution and calculate the Z scores for each scenario.

Z = (x - mean)/standard deviation

Now,

For x = 4171,  Z = (4171 - 3311)/860 = 1  

  • P(Z < 1) using Z table for areas for the standard normal distribution, you will get 0.8413.

Next, multiply that by the sample size of 732.

  • Therefore 732(0.8413) = 615.8316, so approximately 615 will weigh less than 4171  

 

  • For part b, use the same method except x is now 1591.    

Z = (1581 - 3311)/860 = -2    

  • P(Z > -2) , using the Z table is 1 - 0.0228 = 0.9772 . Now 732(0.9772) = 715.3104, so approximately 715 will weigh more than 1591.

 

  • For part c, we now need to get two Z scores, one for 3311 and another for 5031.

Z1 = (3311 - 3311)/860 = 0

Z2 = (5031 - 3311)/860= 2  

P(0 ≤ Z ≤ 2) = 0.9772 - 0.5000 = 0.4772

  approximately 47% fall between 0 and 1 standard deviation, so take 0.47 times 732 ⇒ 732×0.47 = 344.

5 0
3 years ago
Mark earns $300 per month plus an additional 2% on all of his sales. Last month he sold $59,000. What was Mark’s income for the
Lina20 [59]

Answer:

59,000 * .02= $1,180 commission plus $300 = $1480

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3 years ago
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