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Ipatiy [6.2K]
3 years ago
6

Aidan is 68 inches tall. The average height of students in his class is 65 inches with a standard deviation of 3.6 inches. What

is the z-score for Aidan’s height?
Mathematics
1 answer:
uranmaximum [27]3 years ago
5 0

<span>Aidan is 3 inches above average. A z-score of 1.0 would refer to someone exactly 1 standard deviation above average, or 3.6 inches above average, or 68.6 inches tall. A z-score of 0.0 would refer to someone exactly average. What proportion of 3.6 is 3.0? That will be your z-score</span>
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NEED HELP ASAP!!!!!!!!!!!!!!!!
salantis [7]

9514 1404 393

Answer:

  (b) (-5, 1)

  (c) (5, -7)

  (d) (9, -2)

Step-by-step explanation:

The coordinate differences between the given points are ...

  (4, 2) -(0, -3) = (4, 5)

The length of the line segment between the points is √(4² +5²) = √41, so this is the side of the square, not a diagonal.

The other four points that could be corners of the square are these same distances, but at right angles. To get points at right angles, the distance values can be swapped, and one of them negated.

Two of the points could be ...

  (4, 2) ± (5, -4) = (9, -2) or (-1, 6)

and the other two could be ...

  (0, -3) ± (5, -4) = (5, -7) or (-5, 1)

5 0
3 years ago
QUESTION ATTACHED PLZ HELP NEEDED
saw5 [17]
Y = a (x + 3)² - 1

Let's take the point (-1;3)

3 = a ( -1 + 3)² - 1
3 = 4a - 1
4a = 4

Therefore a = 4/4 = 1

(x+3)² - 1
= x² + 6x + 9 - 1
= x² + 6x + 8

The answer would be y = x² + 6x + 8.

Hope this helps !

Photon
4 0
3 years ago
On Monday, Harold picked up four donuts and five large coffees for the office staff. He paid $ 6.33  
sveticcg [70]
The equation would be 4x+5y=6.33 and 3x+3y=4.11
so from their you would do the calculations and get 0.52 and 0.85
To make sure the caluclations aare right you just hae to put in the numbers for the x and y
4(0.52)+5(0.85)=6.33
So 1 donutis $).52
1 large coffee is $0.85
6 0
3 years ago
3 divided by 5 , 654 what is the product of this situation please help me
ohaa [14]
The answer is 0.6 the product is 6 tenths
3 0
3 years ago
The price of televisions has been decreasing. Last year, the price of a 52-inch television was $800. This year, the price has de
Arisa [49]
$120 is 15% of $800 =$680
8 0
2 years ago
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