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klemol [59]
2 years ago
14

Three students were reading the same novel. . Roman read 3/5 of the novel.

Mathematics
1 answer:
Valentin [98]2 years ago
8 0

9514 1404 393

Answer:

  Syed

Step-by-step explanation:

Expressed as decimal numbers, the portions read were ...

  • Roman: 3/5 = 0.60
  • Sayed: 17/25 = 0.68
  • Felix: 0.63
  • Raymond: 17% = 0.17

Syed read the most.

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two cars travel in opposite directions, starting from the same place at the same time. One travels at an average rate of 48 mile
asambeis [7]
So in 1 hour they will be 48+55=103 miles apart
how many hours will it be in 618
103 times x hours=618
divide both sides by 103
x=618/103
x=6

the answer is 6 hours
6 0
3 years ago
How do I know if a positive integer is even based on its prime factorization?
faust18 [17]

To know if it's even based on it's prime factorization, check to see if it is a multiple of 2. If it is, it is an even number. If it is not, it is an odd number.

5 0
3 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
Me.Woodruff owns an automobile parts store and typically marks up merchandise 32% over warehouse cost. how much would he charge
statuscvo [17]
The answer is 65 so u just leave the house and u go and get drink and hang out with your friends. 
5 0
3 years ago
Read 2 more answers
Solve the linear system of equations <br> 8x−4y=20 5x−8y=62 <br> x= <br> y=
LUCKY_DIMON [66]

Answer:

x = -2

x = -9

Step-by-step explanation:

The linear system is:

8x - 4y = 20 ⇒ (1)

5x - 8y = 62 ⇒ (2)

To solve the system multiply equation (1) by -2 to make the coefficients of y equal in values and different in signs, then add the resulting equation with equation (2)

∵ -2(8x) + -2(-4y) = -2(20)

∴ -16x + 8y = -40 ⇒ (3)

- Add equation (2) and (3)

∴ -11x = 22

- Divide both sides by -11

∴ x = -2

Substitute the value of x in equation (1) or (2)

∵ 8(-2) - 4y = 20

∴ -16 - 4y = 20

- Add 16 to both sides

∴ - 4y = 36

- Divide both sides by -4

∴ y = -9

3 0
3 years ago
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