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tensa zangetsu [6.8K]
3 years ago
10

Joanne measures the heights and arm spans of the girls on her basketball team. She plots the data and makes a scatterplot compar

ing heights and arm spans, in inches. Joanne finds that the trend line that best fits her results has the equation y= x + 2. If a girl on her team is 63 inches tall, what should Joanne expect her arm span to be?
A. 63 = x + 2
x = 61 inches
B. y = 63 + 2 = 65 inches
C. y = 63 inches
D. y = 63- 2 = 61 inches
Mathematics
1 answer:
Paladinen [302]3 years ago
5 0

Answer:

The answer is B

Step-by-step explanation:

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Simplify 3^2 ⋅ 3^5<br><br> 3^7<br> 3^10<br> 9^7<br> 9^10
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3^7 when you are multiplying numbers with the same base add the exponents.
3 0
3 years ago
Read 2 more answers
MUST ANSWER ALL PARTS!!!!
dsp73
Hello there,

The outlier of the data set is 92. Lets first find everything with the outlier.
Mean: 60.08
Median: 57
Mode: 52 
Range:46

Now let's take out the outlier of the set and see the difference.
Mean: 54.27
Median:56
Mode: 52
Range: 15

So as we can see without the outlier everything is closer together. The outlier shouldn't be included because that makes the entire set screwed up. The data is more accurate without the outlier.

Hope this helps!

6 0
3 years ago
Active ingredient of a pill comprises 45% of the pill mass. If a pill contains 325 mg of active ingredient,
uranmaximum [27]

Answer:

Step-by-step explanation:

The idea here is to be able to write and then solve the equation needed for this. In words, this is what you are looking to solve: "The active ingredinet is 45% of the mass of the pill". Putting those words into an equation:

active ingredient = .45 (mass of pill). Since our active ingredient is 35 mg:

325 = .45m and divide by .45:

m = 722.2 mg

6 0
3 years ago
En un estudio estadistico se van a usar unicamente variables cuantitativas discretas para ingresarlas a un programa de analisis
notka56 [123]

Answer:

la variable que se debe ingresar en el programa corresponde a: c. edad

Step-by-step explanation:

Las variables cuantitativas son aquellas que toman valores numéricos y se clasifican en variables cuantitativas discretas que son las que sólo pueden asumir un número limitado de valores en un determinado rango, como por ejemplo, el número de carros que posee una persona y variables cuantitativas continuas que pueden tomar cualquier valor en un rango específico, como por ejemplo, el peso de un objeto. De acuerdo a estas definiciones, la respuesta es que la variable que se debe ingresar en el programa corresponde a: edad porque es una variable discreta dado que se registra en números enteros y no acepta cualquier valor en un intervalo específico.

Las otras opciones no son correctas porque la nacionalidad y el nivel de escolaridad no son variables cuantitativas y la altura es una variable cuantitativa continua.

5 0
3 years ago
There are 12 marbles in a box. 8 are purple, and 4 are green. What is the probability of picking a purple marble and then a gree
Bad White [126]

Answer: 8/33

Step-by-step explanation:

So the probability of picking a purple marble is 8/12, after that there are 11 marbles left in the box

Now the probability of picking a green marble without placing the first marble back is 4/11

So the probability of doing both is 8/12 x 4/11 = 8/33

8 0
2 years ago
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