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ANTONII [103]
3 years ago
12

A group of college students are asked: "Including elementary, middle school, high school, trade school, and college, how many sc

hools have you attended?" The histogram shown represents their responses. Describe the shape of this distribution.

Mathematics
1 answer:
nadezda [96]3 years ago
7 0

Answer:

This histogram can be described as slightly skewed righted, with the center around 4 schools and spread from 0 to 17 schools with possible outliers.

Step-by-step explanation:

Looking at the data on the histogram given, it is clear that the majority of those students asked attended between 4 - 6 schools, with 4 schools being the center.  A distribution that is skewed to the right shows is generally said to be positively skewed with the higher occurrences in the lower values (left side) and fewer occurrences in the higher values (right side).

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Y’all I am struggling. Help me out please I’ll give 15 points! #7
sweet [91]
Since the angles in triangle ACM indicate that it is a 30-60-90 triangle, we know that the other two sides of triangle ACM are 20 and 10 (30-60-90 triangles have a very specific side coefficient). This means that the sides of this triangle have side lengths 40, 10, and 20\sqrt{3}. Adding these together you get 50+20\sqrt{3}. Hope this helps!
6 0
3 years ago
Frank and Linda just finished a meal and received their bill for $47.60. They would like to leave their server a 20 percent tip.
katrin [286]
47.60 + 0.20(47.60) = 47.60 + 9.52 = 57.12

OR

47.60(1.20) = 57.12
6 0
2 years ago
Read 2 more answers
-b+ 3x = C + 5b<br><br> Solve for x in terms of b and c<br><br><br> I NEED HELP
kakasveta [241]

Answer:

x = (c + 6b)/3

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

-b + 3x = c + 5b

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add <em>b</em> to both sides:                    3x = c + 6b
  2. Divide 3 on both sides:               x = (c + 6b)/3
8 0
3 years ago
Una fábrica produce tres tipos de balones de fútbol, con un costo mensual de
Varvara68 [4.7K]

Answer:

Se fabricaron:

1000 balones de los que cuestan $20

75 balones de los que cuestan $30

50 balones de los que cuestan $40

Step-by-step explanation:

Vamos a definir las variables:

x = número de balones de $100.00 vendidos.

y = número de balones de $120.00 vendidos

z = número de balones de $160,00 vendidos.

Sabemos que se producen 1125 balones, entonces:

x + y + z = 1125

y el costo de producción es $24,250, conociendo el costo de cada balón podemos escribir:

x*$20 + y*$30 + z*$40 = $24,250

Y también sabemos que la ganancia mensual es $92,750

Ganancia es la diferencia entre el dinero total recibido y los costos, entonces:

x*$100 + y*$120 + z*$160 - $24,250 =  $92,750

x*$100 + y*$120 + z*$160 = $92,750 + $24,250

x*$100 + y*$120 + z*$160 = $117,000

Entonces tenemos un sistema de 3 ecuaciones:

x + y + z = 1125

x*$20 + y*$30 + z*$40 = $24,250

x*$100 + y*$120 + z*$160 = $117,000

Para resolver esto debemos comenzar por aislar alguna variable en alguna de las ecuaciones, yo comenzare aislando x en la primera ecuación:

x = 1125 - y - z

Ahora podemos reemplazar esto en las otras dos ecuaciones para obtener:

(1125 - y - z)*$20 + y*$30 + z*$40 = $24,250

(1125 - y - z)*$100 + y*$120 + z*$160 = $117,000

Si simplificamos esto obtenemos:

$22,500 + y*$10 + z*$20 = $24,250

$112,500 + y*$20 + z*$60 =  $117,000

Ahora de vuelta, debemos aislar una variable en una de las ecuaciones, si aislamos y en la primera ecuación obtenemos:

y*$10 = $24,250 - $22,500 -  z*$20

y = ($1,750 - z*$20)/$10

y = 175 - 2*z

Reemplazando esto en la otra ecuación obtenemos:

$112,500 + (175 - 2*z)*$20 + z*$60 =  $117,000

Ahora podemos resolver esto para z.

(175 - 2*z)*$20 + z*$60 =  $117,000 - $112,500

(175 - 2*z)*$20 + z*$60 = $4,500

$3,500 - z*$40 + z*$60 = $4,500

$3,500 + z*$20 = $4,500

z*$20 = $4,500 - $3,500 = $1,000

z = $1,000/$20 = 50

Entonces tenemos 50 balones de los que cuestan $40.

Usando la ecuación y = 175 - 2*z podemos encontrar el valor de y.

y = 175 - 2*50 = 75

Entonces tenemos 75 balones de los que cuestan $30.

Usando la ecuación x = 1125 - y - z podemos encontrar el valor de x.

x = 1125 - 75 - 50 = 1000

tenemos 1000 balones de $20.

5 0
3 years ago
Confused, and there's a test tomorrow.
-BARSIC- [3]

Answer:

  12y +16yi

Step-by-step explanation:

The thing about complex numbers is that you can treat them as binomials and use all of the things you know about multiplying and factoring polynomials.

Here, we assume you have ...

  (5 +2yi)(4 -3i) -(5 -2yi)(4 -3i)

The factor (4 -3i) can be factored out, so you have ...

  = ((5 +2yi) -(5 -2yi))(4 -3i)

  = (4yi)(4 -3i)

  = 16yi -12yi²

At this point, the definition of i comes into play, and you replace i² with -1.

  = 12y +16yi

5 0
3 years ago
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