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3 years ago

Which of the following is an example of perpendicular lines? I'm thinking it's B, but not sure

Mathematics

2 answers:

tensa zangetsu [6.8K]3 years ago

5 0

Answer:

Second figure is an example of perpendicular lines.

Step-by-step explanation:

The perpendicular lines are those that forms $90^{\circ}$ at the base of the vertical line.

The straight lines denotes the $90^{\circ}$ angle

The first figure is not correct both are intersecting tilted lines.

The second figure is correct since they form right angle that is $90^{\circ}$ angle.

The third figure is again tilted lines hence, not correct.

The fourth figure is again tilted lines hence, not correct.

therefore, second figure is correct.

krek1111 [17]3 years ago

4 0

The answer is the first one where the two lines intersect at the same one point. A.

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The force F between two charges Q1 and Q2 in a vacuum is proportional to the product of the charges and is inversely proportiona

dangina [55]

Answer:

<h3>The given statement "The force F between two charges $Q_1$ and $Q_2$ in a vacuum is proportional to the product of the charges and is inversely proportional to the square of the distance between two charges" is a Coulomb's law.</h3>

Step-by-step explanation:

Given that "The force F between two charges $Q_1$ and $Q_2$ in a vacuum is proportional to the product of the charges and is inversely proportional to the square of the distance between two charges"

<h3>The given statement is a Coulomb's law.</h3>

Coulomb's law states that the magnitude of the electrostatic force F of attraction or repulsion between the two point charges $Q_1$ and $Q_2$ is directly proportional to the product of the magnitudes of charges $Q_1$ and $Q_2$ and it is inversely proportional to the square of the distance between the two charges.

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3 years ago

Help please I’m confused

tiny-mole [99]

3y= 21

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3 years ago

B=3x+9xy solving for x

yuradex [85]

Answer:

Dear its two variable function so either you should give me other function of x and y or you should give me condition to solve this problem

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Step-by-step explanation:

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3 years ago

3x+y+z=4 2x+2y+3z=3 X+3y+2z=5

zhenek [66]

1) 3x+y+z=4
2) 2x+2y+3z=3
3) x+3y+2z = 5

1)*2 6x + 2y + 2z = 8
2) 2x + 2y +3z = 3
- __________________
4x - z = 5

2)*3 6x + 6y + 9z = 9
3)*2 2x + 6y + 4z = 10
- __________________
4x+5z =-1

4x+5z = -1
4x - z =5
- ________
6z = -6
z = -1

If z=-1,

4x -(-1) =5
4x = 5-1
x = 4/4
x=1

3x+y+z=4
3(1)+y+(-1)=4
3+y-1=4
y=2

So z=-1, x=1, y=2

6 0

3 years ago

what is the volume of the largest sphere that you could carve out of a wooden block whose edges measure 8 m by 8 m by 8 m? Use t

Papessa [141]

Given data:

The given cube .

The expression for the volume of the sphere is,

$\begin{gathered} V=\frac{4}{3}\pi(\frac{8}{2}m)^{3^{}} \\ =268.0826m^3 \\ \approx261m^3 \end{gathered}$

Thus, the volume of the sphere is 261 cubic-m.

7 0

1 year ago