Answer:
La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.
Step-by-step explanation:
A partir del enunciado podemos construir el sistema de ecuaciones lineales:
Hace tres días:
(1)
Actualmente:
(2)
Donde:
- Precio de la calculadora.
- Precio del cuaderno.
Por métodos algebraicos, tenemos que el sistema de ecuaciones tiene la siguiente solución:
, 
La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.
The mean is 89 the median is 86 the mode is 85 Hope this helps!
(technically the mean is like 88.7 so I just rounded up to get 89)
Answer:
Step-by-step explanation:
Ratio of businesses to cars= 3:5
Number of businesses= 30
Number of cars= Unknown
Let the number of cars be y
3/5 = 30/y
Cross multiply
3y = 30×5
3y = 150
y= 150/3
y= 50
Number of cars is 50
Answer:
Answer:
11 feet
Step-by-step explanation:
Area formed by the watery pattern is 379.94 square feet.
Since the water is being sent out in circular pattern, the maximum distance at which the water is reaching out will be equal to the radius of the circle as the sprinkler is at the center of the circle.
Area of a circle is given as:
\begin{gathered}Area=\pi r^{2}\\\\ 379.94 = \pi r^{2}\\\\r^{2}=\frac{379.94}{\pi}\\\\ \text{Using pi equal to 3.14, we get}\\\\ r^{2}=121\\\\ r = 11\end{gathered}
Area=πr
2
379.94=πr
2
r
2
=
π
379.94
Using pi equal to 3.14, we get
r
2
=121
r=11
This means the radius of the circular pattern being formed is 11 feet. So the sprinkler can spread the water 11 feet away from it.
Step-by-step explanation:
im not sure if that is correct
comment if wrong
*hope it help:))
Answer:
B ≥ 209
Step-by-step explanation:
This is the equation - 25b + 525 ≥ 5750 .
Comment if I solved it incorrectly ;-;
