Usando proporciones, se encuentra que al final de la primera hora, el congelador tenía una temperatura de -1ºC.
- Este problema se resuelve por proporciones.
- En 3 horas, la temperatura bajó 12ºC, puesto que
.
La temperatura del congelador bajó en la <u>misma cantidad de grados cada hora</u>, o sea, en la primera hora, la cantidad que bajo es:
4ºC bajo a 3ºC es:
O sea, al final de la primera hora, el congelador tenía una temperatura de -1ºC.
Un problema similar es dado en brainly.com/question/24617308
Answer:
There are three fourths in 3 fourths
Step-by-step explanation:
Fourth represents 
Therefore, 3 fourths will be given as:
Therefore,
No. of fourths in 3 fourths = 
No. of fourths in 3 fourths = 
X= -2 and y= 2 should be those lines based on the diagram shown
hmu with brainliest <3
Answer:
254 cubic feet.
Step-by-step explanation:
It is given that the a cylindrical tank is 6 feet across and 9 feet deep. It means
Diameter of cylinder = 6 feet
Radius of the cylinder = 6/2 = 3 feet
Height of the cylinder = 9 feet
The volume of a cylinder is
where, r is radius and h is height of the cylinder.
Substitute r=3 and h=9 in the above formula.
We need to find the maximum number of cubic feet. So approx the value to a whole number.
Therefore, the maximum number of cubic feet of paint the tank will hold is 254 cubic feet.
Answer:
Step-by-step explanation:
Question 1:
First, write the equation out:
4(x+3)=7x-3
solve for x:
4x+12=7x-3
15=3x
x=5
Question 2:
Do the same on the second question:
30-x=3x-6
36=4x
x=9
