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Dmitry_Shevchenko [17]
4 years ago
13

Please can you explain how can I do this, Please anyone

Mathematics
1 answer:
____ [38]4 years ago
8 0

Dear, questioner What to explain?

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What is 3/4 of of the power of 3
ahrayia [7]

If you mean to the power of 3 the answer should be 0.421875

6 0
3 years ago
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If (-1, y) lies on the graph of y = 3x+1, then y=<br> 13
kotegsom [21]

Answer:

All of the following points lie on the graph of y = 3x except (0,1)

Step-by-step explanation:

The given equation is y = 3x and we have to find which point among the given points doesn't lie on the graph of this equation.

3 0
4 years ago
Over a certain region of space, the electric potential is V = 4x − 7x2y + 7yz2. Find the expressions for the x, y, z components
Tju [1.3M]

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

8 0
3 years ago
Marco had sales of $28,000. He makes a graduated commission of 4% on the first $10,000, 5% on the next $20,000 and 6% on anythin
Paha777 [63]

Answer:

$1,300

Step-by-step explanation:

commission on the first $10,000

= 4/100 * 10000

= $400

remaining amount

= $28,000 - $10,000

= $18,000

commission on remaining $18,000

= 5/100 * 18000

= $900

total commission

= $400 + $900

= $1,300

7 0
3 years ago
Prove that 2n + 1 ≤ 2n for n ≥ 3
ohaa [14]
In order for something to be proven, there can be no counterexamples to prove it false.

4 \geq 3 \\ n=4 \\ 2(4)+1 \leq 2(4) \\ 8+1 \leq 8 \\ 9 \leq 8

9 is not greater than or equal to 8, therefore this statement is false.
3 0
3 years ago
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