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Musya8 [376]
3 years ago
8

What is the slope of the line of best-fit in the scatterplot below?

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0
(y2-y1)/(x2-x1)
(19-12)/(6-3) = 7/3
The answer is C
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How to find the square root
stepladder [879]

Answer:

Step-by-step explanationPaso 1

1 Si el radicando tiene más de dos cifras separamos las cifras en grupos de dos, empezando por la derec2 Calculamos la raíz cuadrada entera o exacta, del primer grupo de cifras por la izquierda, ha.3 El cuadrado de la raíz obtenida 2 (es decir 4) se resta al primer grupo de cifras que aparecen en el radicando Bajamos el siguiente grupo de cifras del radicando, separando del número formado (492) la primera cifra a la derecha (2) y dividiendo lo que resta entre el doble de la raíz 2, es decir 2(2)=4.  5En otra fila debajo de la raíz colocamos el doble de la misma (4). A continuación, se coloca el cociente que se obtenga (9) . Y luego el número obtenido (49) se multiplica por dicho cociente (9). Después, se resta (441) a la cantidad operable (492) del radicando.  El cociente obtenido (9) es la segunda cifra de la raíz, quedando (29) Bajamos el siguiente par de cifras y repetimos los pasos anteriores.

 Prueba de la raíz cuadrada. Para que el resultado sea correcto, se tiene que cumplir:

 

.

8 0
3 years ago
5% of the toddlers in a preschool class drink water with their lunch. How many toddlers are in the class if 3 drink water with t
OLga [1]

Answer:

<u>There are 60 toddlers in the preschool class</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Percentage of the toddlers in a preschool class drink water with their lunch = 5

Number of the toddlers in a preschool class drink water with their lunch = 3

2.  How many toddlers are in the class?

We'll solve the question, using the Direct Rule of Three, this way:

Percentage      Toddlers

      5                       3

    100                     x

*******************************

5x = 3 *100

5x = 300

x = 300/5

x = 60

<u>There are 60 toddlers in the preschool class</u>

6 0
3 years ago
A cd usually sells for $12.00. If the cd is 10% off, and sales tax is 5%, what is the total price of the cd, including tax?
Kazeer [188]

Answer:

$11.34 Discounted Price Including Tax

Step-by-step explanation:

CD is $12.00

10 percent off of 12 dollars is:

12 x .10 = $1.2

12 - 1.2 = $10.8 WITHOUT TAX!!

5/100 = 0.05

0.05 x 10.8 = .54 (Tax itself)

10.8 (Discounted price) + .54 (Tax) = $11.34 Discounted Price Including Tax


5 0
3 years ago
A pair of weak earthquakes is modeled by a system of inequalities. One earthquake occurred roughly 20 km east and 14 km north of
AfilCa [17]

Answer:

2 km east and 10 km north

Step-by-step explanation:

I did the activity and got the right answer.

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME !! PLEASE !!
Yakvenalex [24]
I think that it is a ok
6 0
4 years ago
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