Answer:
y = 6 + 4x
After 4 years, the tree would be 22 ft tall.
Step-by-step explanation:
Hi there!
Let x = the number of years that pass
Let y = the height of the tree (ft)
We're given that the 6-foot tree grows at a rate of 4 ft per year. This means that the height of the tree will be equal to 6 ft, the original height, plus another 4 ft every year that passes.
Height of tree = 6 feet + 4 feet × number of years that pass
y = 6 + 4x
To solve for how tall the tree would be 4 years after Dina plants it, replace x with 4, since 4 years have passed:
y = 6 + 4(4)
y = 6 + 16
y = 22
Therefore, the tree would be 22 ft tall.
I hope this helps!
30 tens = 30 x 10 = 300
300 ones = 300 x 1 = 300
300 is your answer
30 tens = 30 x 10 = 300
3 hundreds = 3 x 100 = 300
3 is your answer
<em>~Rise Above the Ordinary</em>
<span>1. How much heat is absorbed by a 50g iron skillet when its temperature rises from 10oC to 124oC? Joules
Formula: Heat = mass * specific heat * ΔT
Data:
mass = 50 g = 0.050 kg
specific heat of iron = 450 J/ kg °C
ΔT = 124°C - 10°C ¿ 114 °C
=> heat = 0.050kg * 450 J / kg°C * 114°C ≈ 2.6 J
2. If a refrigerator is a heat pump that follows the first law of
thermodynamics, how much heat was removed from food inside of the
refrigerator if it released 492J of energy to the room? Joules
The firs law of thermodynamics is conservation of energy => energy removed from inside of the refrigerator = energy released to the room
=> Answer = 492 J
3. How much heat is needed to raise the temperature of 45g of water by 63oC? Joules
Formula: heat = mass * specific heat * ΔT
specific heat of water = 4186 J / Kg °C
heat = 0.045 kg * 4186 J/kg °C * 63°C = 11,867.31 J
</span>
En Español
En la class de ciencias hay muchos estudiantes. A Irene siempre le gusta estudiar y haver la tarea. En todos los exámenes saca cien. Pablo nunca estudia y no le gusta tomar aptunes. En los exámenes saca cuarenta, cincuenta y trienta. Muchas veces, a Sandra le gusta hacer la tarea. En los exámenes saca noventa, cuarenta y cien. A Eduardo a veces le gusta estudiar y hacer la tarea. En los exámenes saca noventa, noventa y noventa. A Javier nunca le gusta leer libros. En los exámenes saca cuarenta, cincuenta y cuarenta. Todos los estudiantes son differentes y me gusta enseñar ciencias a todos.
In english
In science class there are many students. Irene always likes to study and do her homework. In all the exams he gets a hundred. Pablo never studies and does not like to take aptunes. In the exams he gets forty, fifty and thirty. Many times Sandra likes to do her homework. In the exams he gets ninety, forty and one hundred. Eduardo sometimes likes to study and do homework. In the exams he gets ninety, ninety and ninety. Javier never likes to read books. On the exams he gets forty, fifty and forty. All students are different and I like to teach science to everyone.
Hope this helps!
She walked 3 Miles Per Hour each minute
