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GalinKa [24]
3 years ago
13

A group of students were surveyed to find out if they like babysitting and/or mowing lawns to earn spending money. The results o

f the survey are shown below:
32 students like babysitting
21 students like babysitting but do not like mowing lawns
16 students like mowing lawns
12 students do not like babysitting or mowing lawns
Four students created the tables below to represent the data. BT represents babysitting and ML represents mowing lawns.

Emily
Like BT Do Not Like BT Total
Like ML 21 12 32
Do Not Like ML 11 5 16
Total 32 17 48

Will
Like BT Do Not Like BT Total
Like ML 5 11 16
Do Not Like ML 12 21 33
Total 17 32 49


Sarah
Like BT Do Not Like BT Total
Like ML 12 21 32
Do Not Like ML 5 11 16
Total 17 32 48

Maria
Like BT Do Not Like BT Total
Like ML 11 5 16
Do Not Like ML 21 12 33
Total 32 17 49

Which student's table is correct?
Mathematics
2 answers:
Elena L [17]3 years ago
6 0
<span>maria is the correct answer                                                    </span>
Yuri [45]3 years ago
3 0

the correct answer is D, Maria

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What is the solution of the inequality |2x+3|≤7?
Allushta [10]
Assuming you want to solve for x the result can vary. The result can be shown in multiple forms. Hope this helps!

Inequality Form:
−5≤x≤2
Interval Notation:
[−5,2]
6 0
3 years ago
The White Russian cocktail contains vodka, Tia Maria and milk in the ratio of 5:2:3. To make the cocktail for a party the barman
stellarik [79]

Answer:

1) 600cm^3            2) 10 glasses

Step-by-step explanation:

x = total amount in ml

(3/10)x = 180ml (MILK)

x = 600ml

(2/10)600 = 120ml (TIA MARIA)

(1/2)600 = 300ml (VODKA)

<em>1) 600cm^3</em>

<em>2) 600ml : 60ml = 10 (GLASSES)</em>

6 0
2 years ago
Triangle ABC is transformed to create triangle MNO and triangle PQR as described below
goldenfox [79]

Answer:

The correct answer is the second option

5 0
4 years ago
If f(x)= x+7 and g(x)= 1/x-13
Natasha2012 [34]
1. x = y - 7
2. g = x12
4 0
3 years ago
Por qué crees que el valor de la media no aparece en la tabla y es un número decimal?
vovikov84 [41]

La media no aparece en la tabla ya que se requiere un calculo para encontrarla, además, es un número decimal pues corresponde a la suma de los resultados dividida en el número de días.

<h3>¿Qué es la media?</h3>

En matemáticas, la media o promedio corresponde a la suma de todos los valores dividida en el número total de valores. En este caso la media corresponde a la suma de las temperaturas dividida en el número de días.

Calcular la media:

Usando la formula anterior, calculemos la media:

  • 16 + 19 +17 + 20 + 22 + 18 +15 = 127/7 = 18.7

El valor de la media es 18.7, al respecto se puede observar que:

  • Este valor no aparee en la tabla pues no corresponde a la temperatura de ningún día sino que debe ser calculado.
  • Este valor es decimal, lo que se común al hallar la media ya que se suman todos los valores y se dividen por un número determinado.

Nota: Esta pregunta esta incompleta. Aquí esta la parte faltante:

Aprenda más sobre promedio en: brainly.com/question/8917478

3 0
3 years ago
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