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3 years ago

In a plane if two line are perpendicular to the same line then they ___ to each other.

Mathematics

2 answers:

Kruka [31]3 years ago

6 0

It’s either skew parallel

Debora [2.8K]3 years ago

4 0

Answer:

parallel

Step-by-step explanation:

Two lines perpendicular to the same line must be parallel to each other.

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An 8×8×8 cm cube was painted red, and then broken up into small cubes with side lengths of 1 cm. How many small cubes have none

Alona [7]

Answer:

216

Step-by-step explanation:

If you just paint the surface of the cube, then the inside of the cube would not have any of their faces painted red.

Just looking at the cube from a side view, you would realize that there would be a smaller cube, 6 x 6 x 6 (not 7 since you have to account for both the top side and the bottom side), and so that is the answer, 6 ^ 3, which is 216.

8 0

2 years ago

Read 2 more answers

500 people took part in a marathon. 35% of them were children and the rest

sineoko [7]

Answer:

325

Step-by-step explanation:

500×.35=175

500-175=325

3 0

2 years ago

Please help asap! One question! Please help me!!

Anna [14]

Answer:

false, false

Step-by-step explanation:

C' is (5, 4)

A' is (5, -4)

Each side of the triangle is larger in the image, and the area is larger.

Answer: false, false

4 0

2 years ago

10 times for thousands equals blank thousand equals blank

Marianna [84]

10×4,000=40,000 because all u do is add an extra zero everything you multiple something by ten

5 0

3 years ago

Please help me I will really appreciate it!!!

slega [8]

Answer:

$\displaystyle r=\sqrt[3]{\frac{3V}{4\pi}}$

The last option matches the correct solution

Step-by-step explanation:

Equation Solving

We have the following equation:

$\displaystyle V=\frac{4}{3}\pi r^3$

And it's required to solve it for r.

Solving this equation needs to perform some operations to have the r isolated from any other variables or constants.

It can be done by conveniently operating on both sides as follows:

Eliminate the denominator by multiplying by 3:

$\displaystyle 3V=4\pi r^3$

Move $4\pi$ to the other side by dividing by $4\pi$ :

$\displaystyle \frac{3V}{4\pi}= r^3$

Swapping sides to have r at the left side:

$\displaystyle r^3=\frac{3V}{4\pi}$

Finally, take the cubic root and leave r alone:

$\displaystyle r=\sqrt[3]{\frac{3V}{4\pi}}$

The last option matches the correct solution

5 0

3 years ago