Answer:
Ex = - 4 + 14xy
Ey = 7x² - 7z²
Ez = -14yz
Step-by-step explanation:
The relationship between Electric field Er(x, y, z) and Electric potential, V, is a differential relationship:
Er(x, y, z) = -dV/dr(x, y, z)
Where r(x, y, z) = distance in x, y and z components.
The x component of the electric field is:
Ex = -dV/dx
Given that:
V = 4x - 7x²y + 7yz²
Ex = -dV/dx
Ex = -(4 - 14xy)
Ex = -4 + 14xy
The y component of the electric field is:
Ey = -dV/dy
Ey = -(-7x² + 7yz²)
Ey = 7x² - 7z²
The z component of the electric field is:
Ez = -dV/dz
Ez = -(14yz)
Ez = -14yz
Answer:
Benito llega en segundo lugar.
Eladio llega en sexto lugar
Hermes llega en noveno lugar.
Step-by-step explanation:
Tenemos 3 amigos:
Benito
Hermes
Eladio
Hay 3 posiciones:
segundo
sexto
noveno.
Sabemos que:
Benito llegó antes que Hermes.
Cuando Eladio estaba llegando a la meta, solo Benito estaba descansando.
Es decir, cuando Eladio llego a la meta, Hermes aún no había llegado.
Eladio llegó a la meta antes que Hermes, pero después que Benito.
Entonces el primero en llegar es Benito, el segundo es Eladio y el tercero será Hermes.
Con la data inicial podemos decir que:
Benito llega en segundo lugar.
Eladio llega en sexto lugar
Hermes llega en noveno lugar.
Answer:
B. y + 2 = -2(x - 4)
Step-by-step explanation:
First, find the slope (m) of the line using two points in the line, (3, 0) and (4, -2):
Slope (m) = -2.
Next, substitute (a, b) = (4, -2) and m = -2 into y - b = m(x - a)
Thus:
y - (-2) = -2(x - 4)
y + 2 = -2(x - 4)
Answer:
<u>C) 2parts that are one eight each.</u>
Step-by-step explanation:
The reason I chose <u>C)</u> as the correct answer is becasue I evaluated it with the steps below.
A) - 8 parts that are one fourth each.
<u>This cannot be correct because it would surpase the 2/8ths (would be over).</u>
B) - 4 parts that are one-half each.
<u>This cannot be correct because it would surpass the 2/8ths (would be over).</u>
C) - 2parts that are one eight each.
<u>This can be correct because 2 parts have 1/8th. 1/8 + 1/8 = 2/8.</u>
D) - 2parts that are one fourth each.
This cannot be correct because the denominator is not 8, it is 4 meaning it wouldn't fit into the format the question asked for (which was 2/8).
<u>This makes the correct answer C).</u>
<u></u>
I hope this helps you understand and helps you in your question.
3 
inches per hour
T calculate the rate change feet to inches and divide by 24
7 feet = 7 × 12 = 84 inches
rate = 
= 3.5 = 3 inches per hour
