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Nutka1998
1 month ago
8

Greg teaches an art class. The table below shows how many drawings his students had

Mathematics
1 answer:
lawyer [12.5K]1 month ago
4 0

Answer: The mean absolute deviation for the table's data is 10. If the extra drawings belong to Amy, the MAD will decrease. Conversely, if they belong to Emily, the MAD will increase. The impact on the new data set’s MAD is contingent upon whether Amy or Emily is responsible for the additional drawings. Hence, Greg is mistaken.

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The Baum and the Freeman families are comparing their electric bills for the past month. The Baum family is on a standard use pl
Svet_ta [12734]
La familia Freeman:
13 c/kWh (400 kWh) + 2 c/kWh (400 kWh) + 14.5 c/kWh) 450 kWh
 = 6464.5 c
6464.5 c x 30 = 193935

La familia Baum:
8.5 (400) + 12 (400) + 14.5 (450)
= 14725 c

<span>La familia Freeman tiene un costo de $260.83 más que la familia Baum.
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4 0
23 days ago
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Which statement is true about the graphs of the two lines y = x + 2 and y = x ? The lines are perpendicular to each other becaus
AnnZ [12381]
The lines y=x+2 and y=x are parallel since they share the same slope.
6 0
19 days ago
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A bag holds 12 red marbles, 11 green marbles, 17 blue marbles, and 5 yellow marbles. What is the probability that you will not c
Zina [12379]

¡Hola! Bienvenido a!

Vamos a sumar cuántas canicas tenemos en total.

12+11+17+5=45

Queremos hallar la probabilidad de elegir una canica que no sea azul. Observemos cuántas canicas no son azules.

12+11+5=28

Tendremos esta probabilidad sobre 48.

28/48

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¡Espero que esto ayude!

7 0
1 month ago
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After a 5% pay raise , Hermione is earning $21,000 per year. What was she earning before the pay raise?
zzz [12365]

Answer:

\$20,000

Explanation step-by-step:

Let

x represent Hermione's salary prior to the raise

Given:

100\%+5\%=105\%=105/100=1.05

Therefore, the equation that expresses this relationship is

1.05x=21,000

To find x, divide both sides by 1.05:

x=21,000/1.05

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7 0
1 month ago
One of the dog treats in Shelley’s shop is 8 inches long and 3.2 inches wide. She wants to make a miniature version that has pro
Inessa [12570]
Given:
Initial dog treat: 8 inches in length, 3.2 inches in width.
Miniature dog treat: 3 inches long,? wide

We will apply cross multiplication to find the proportionality:

Relating length and width.
Original treat: 8/3.2
Miniature treat: 3/x

8/3.2 = 3/x

Cross multiply:
8 * x = 3.2 * 3
8x = 9.6

Calculate x
x = 9.6/8
x = 1.2

The width of the miniature dog treat measures 1.2 inches.

To verify:
original treat: 8/3.2 = 2.5
miniature treat: 3/1.2 = 2.5
or:
8/3.2 = 3/1.2
8 * 1.2 = 3.2 * 3
9.6 = 9.6
4 0
14 days ago
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