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xxTIMURxx [149]
3 years ago
5

The graph below shows three different normal distributions which statement must be true

Mathematics
2 answers:
Lunna [17]3 years ago
4 0

Answer:

4th option is correct; Each distribution has a different mean and a different standard deviation

Step-by-step explanation:

For the mean to be same in all three distributions, all graphs must be centered around the same number, so mean is not same.

The width of each graph shows how much data deviate from the mean. Since the width is different in all three distributions, standard deviation is different in all three distributions

GREYUIT [131]3 years ago
3 0

Answer:

D

Step-by-step explanation:

E2020

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Someone help plz, I'm stuck
VladimirAG [237]

Answer:

Original price reduced by 30%

Step-by-step explanation:

You want the deepest discount, which means you want the greatest percent/amount off. The first choice is 20%. The second is 30%. The third one is 25%, because you are paying for 75% (100-75). The second choice offers the deepest discount because it is 30% off.

6 0
3 years ago
A rectangle has length represented as (R +5) and width represented as (R + 2).
svetlana [45]

Answer:

4(R + 5 + R + 2) [Option B]

Step-by-step explanation:

<u>GIVEN :-</u>

  • Length = R + 5
  • Width = R + 2

<u>TO FIND :-</u>

  • Perimeter of the rectangle

<u>FORMULAE TO BE USED :-</u>

For a rectangle with length 'l' and width 'w' , its perimeter = 4(l + w)

<u>SOLUTION :-</u>

Perimeter = 4(R + 5 + R+2)

                 = 4(2R + 7)

                 = 8R + 14

7 0
2 years ago
How much taller was Mt. Everest determined to be in 1999, than in 1852? 11 meters 12 meters 22 meters 147 meters
katen-ka-za [31]

Answer:

11 meters

Step-by-step explanation:

In 1852 its height was 29.002ft or 8.839m, while the measuring in 1999 said that it was 29.035ft or 8.850m. That means that it is taller by some 11 meters or 33 feet. That is because it keeps increasing its size since its positioned on such plates that hit each other.

7 0
4 years ago
Dalvin answered 51 questions correctly on his multiple choice science final and earned a grade of 85%. How many total questions
Leona [35]

Answer:

60

Step-by-step explanation:

Divide the number of questions answered correctly by his percentage

51 / 85 = 0.6

Now multiply that answer by 100 to see how many questions are on the quiz

0.6 x 100 = 60

Check your work by dividing that number by the number he answered correctly

51 / 60 = 0.85

4 0
3 years ago
What should you do to get both numeric terms on the right side of the equation?
Mariulka [41]

Answer:

you should take the numeric value _16 to right side.

6 0
3 years ago
Read 2 more answers
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