2 years ago

What's the easiest way to rotate a shape into it self

Mathematics

1 answer:

Hitman42 [59]2 years ago

4 0

Rotate the shape about its central axis by making it stationary.

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The diameter of a pearl is about 4 x 10-3cm and the diameter of an atom is about10-11m. How much larger than an atom is a pearl?

Ugo [173]

Answer:

D. 4 × 10⁶ times

Step-by-step explanation:

The diameter of a pearl is

4 × 10⁻³cm = 4 × 10⁻⁵ m

The diameter of an atom is

10⁻¹¹m

How much larger than an atom is a pearl?

4 × 10⁻⁵ ÷ 10⁻¹¹ = 4 × 10⁻⁵⁺¹¹ = 4 × 10⁶ times

Correct option is D

5 0

3 years ago

For each ordered pair, determine whether it is a solution to the system of equations.

andreyandreev [35.5K]

Answer:

(-6, 2) NO

(3, 5) NO

(-3, - 4) YES

(2, 9) NO

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3 years ago

PT=7x-24 and TQ=6x-2, Find PT.

Nastasia [14]

We can't find what PT exactly is because we don't know TQ or x. However, we can find PT in terms of TQ!

Multiply the second equation by seven sixths to get:

$\frac{7TQ}{6}=7x- \frac{7}{3}$

Subtract $\frac{65}{3}$ from both sides to get:

$\frac{7TQ}{6}- \frac{65}{3}=7x-24$

Substituting PT for 7x-24, we see that:

$PT= \frac{7TQ}{6} - \frac{65}{3}$ , which is our answer.

4 0

4 years ago

The length of a rectangle is 5 times it’s width. If the perimeter of a rectangle is 72 m, find its area

Olenka [21]

X = width. the perimeter of a rectangle is 2*length + 2*width, so the perimeter of this rectangle is 2x + 2(5x) = 72. distribute the two to get 2x + 10x = 72. so 12x = 72. divide by twelve to get x = 6. the width is six, so the perimeter (5x) is 30. the area of a rectangle is length times width, 30*6, so the area is 180 m.

6 0

4 years ago

Please gimme a hand I appreciate it in advance!!!

inessss [21]

Answer:

30 degrees

Step-by-step explanation:

They are corresponding angles.

7 0

2 years ago

Read 2 more answers