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3 years ago

Which expressions are equivalent to 5(3s-6a)

Mathematics

1 answer:

arsen [322]3 years ago

5 0

Answer:

15s-30a.

Step-by-step explanation:

Distribute 5 to 3s and 5 to 6a.

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Below are two linear equations . 1: y - 2 = 4/5 * (x + 4) 2: 5x + 4y = - 20 a) Are the lines 1 and 2 parallel , perpendicular or

Olenka [21]

Perpendicular and 2 I think that’s right

5 0

3 years ago

A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the

erica [24]

Answer:

Step-by-step explanation:

The maximum change happens when all 500 people moves form outer surface to the station center. When all of them are at the surface, the total moment of inertia is:

$I = I_s + 500I_p = 3*10^9 + 500m_pr_p^2=3*10^9 + 500*70*82.5^2=3.24*10^9$

When they are at the axis, the total moment of inertia is only the station's, which is $3*10^9$

By the law of angular momentum conservation:

$I_1\omega_1 = I_2\omega_2$

$\omega_2/\omega_1 = I_1/I_2 = \frac{3.24*10^9}{3*10^9} = 1.08$

So the angular speed changes by 0.08 of itself, or 8%

5 0

3 years ago

Which of the following is the correct factorization of the polynomial below?

diamong [38]

Answer: correct answer is B.(2x+3y)(4x^2-6xy+9y^2)

8x^3 + 27y^3

(2x)^3+(3y)^3

(2x+3y)(4x^2-6xy+9y^2) <----answer

7 0

3 years ago

1) Working alone, Ryan can dig a 10 ft by 10 ft

Thepotemich [5.8K]

Step-by-step explanation:

(Ryan+ castel)/2

(5+6)/2

11/2

5.5 hrs or 5½ hrs

5 0

2 years ago

Which of the following is the most appropriate unit to describe the rate at which people are entering a theme park? (2 points)

Kisachek [45]

D) People per hour, because the dependent quantity is the people

The dependent quantity is the quantity that relies on other variables of the situation. Therefore, the hours it takes relies on the amount of people that come into the theme park. People will continuously come into the park, they do not depend on anything. This is why it can not be C.

3 0

3 years ago

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