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Anit [1.1K]
3 years ago
14

Select the correct answer from each drop-down menu. The table lists the speeds of the fastest roller coasters in North America a

nd Asia.
Roller Coaster Speeds in North America (miles/hour)
----------------------------------------------------------------------------
128
120
100
93
92
80.8
85
82
80
77


Roller Coaster Speeds in Asia (miles/hour)
--------------------------------------------------------------
149.1
106.9
95
83
90
80.3
78.3
71.5
69.6
68.4


The difference of the means of the two data sets is _____

The mean absolute deviation of the roller coaster speeds in North America

is _____

The mean absolute deviation of the roller coaster speeds in Asia is ______
Mathematics
2 answers:
dangina [55]3 years ago
7 0

Answer:

the answer is

6.41

12.78

17.226

Step-by-step explanation:

andrezito [222]3 years ago
3 0

Answer:

6.41

12.78

17.226

Step-by-step explanation:

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Hi! Will someone please tell me if I am right. If I am not, please explain why. Thanks!
Aleks [24]

You are correct! Good job!

5 0
2 years ago
Tania purchased P packages of pasta for $1.25 each and J jars of sauce for $1.85 each. She purchased 22 items and spent $33.50.
sergey [27]

Answer:

you would need to first do

(p times 1.25)

       +

(j times 1.85)

and then

22 divided by 33.50

Step-by-step explanation:

3 0
3 years ago
Una heladeria dispone de 20 frutas distintas para elaborar sus malteadas. Si los clientes pueden elegir tres sabores para mezcla
Dahasolnce [82]

Answer:

Existen 6840 permitaciones de malteadas de tres sabores distintos que la heladería puede ofrecer.

Step-by-step explanation:

En este caso, el cliente que adquiere una malteada de tres sabores distintos sigue el siguiente procedimiento:

1) El primer sabor sale de cualquiera de las 20 frutas disponibles.

2) El segundo sabor es distinto al primer sabor, es decir, que sale de las 19 frutas restantes.

3) El tercer sabor es distinto al primer sabor y al segundo sabor, es decir, que sale de las 18 frutas restantes.

Puesto que existe una doble conjunción y que puede importar el orden según la preferencia del cliente, se habla matemáticamente de una permutación, definida como:

n\mathbb{P}k = \frac{n!}{(n-k)!} (1)

Donde:

n - Número de sabores disponibles, adimensional.

k - Número de sabores escogidos, adimensional.

Si tenemos que n = 20 y k = 3, entonces la cantidad de malteadas de tres sabores distintos es:

n\mathbb{P}k = \frac{20!}{(20-3)!}

n\mathbb{P}k = \frac{20!}{17!}

n\mathbb{P}k = 20\cdot 19\cdot 18

n\mathbb{P}k = 6840

Existen 6840 permitaciones de malteadas de tres sabores distintos que la heladería puede ofrecer.

5 0
3 years ago
HELP PLS I'LL MARK U BRAINLIST !!
Dahasolnce [82]

Answer:

angles in a triangle add up to 180°

5:12:13 = 30

180 ÷ 30 = 6

6 × 5 = 30°

6 × 12 = 72°

6 × 13 = 78°

angles = 30°, 72°, 78°

5 0
2 years ago
The wading pool shown is a trapezoidal prism with a total volume of 286 cubic feet. What is the missing dimension? First base: 8
harkovskaia [24]
To find the missing dimension you will use the formula for finding the volume of a prism and solve for the missing dimension.  In this case 2ft is how deep the pool is and you will solve for the width of the pool.

V = Bh, where B is the area of the base.  In this case, use the area of a trapezoid formula.

286 = 1/2h(8 +13)2
<u>286</u> = <u>21h</u>
21      21
h = 13.6

The width of the wading pool is approximately 13.6 feet.
5 0
3 years ago
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