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Nat2105 [25]
3 years ago
11

Which property is used to simplify the expression 5(3x +18) to 15x+90

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer:

Distributive

Step-by-step explanation:

You distribute the 5 into 3x+18, multiplying it by each part of the equation (each part is separated by one of these signs: +, -, x, or /) to get 15x (from 5 x 3x) plus 60 (from 5 x 18).

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vredina [299]

Answer:

B

Step-by-step explanation:

That is my final answer so I maybe wrong so don't take my word for it

4 0
3 years ago
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?
yanalaym [24]

Answer:

A=\pi \frac{d^2}{4}

Step-by-step explanation:

The typical equation for the area of a circle is A=\pi r^2. Since the answer choices are in terms of <em>d</em>, the diameter of the circle, you will need to find <em>r</em> in terms of <em>d</em>.

To find <em>r</em> in terms of <em>d</em>, you know that the diameter of a circle is two times its radius. As an equation, this is

d=2r, or solving for <em>r</em>,

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Now that you have an equation for <em>r</em> in terms of <em>d, </em>you can substitute <em>r</em> with \frac{d}{2} from the original equation.

A=\pi r^2

A=\pi (\frac{d}{2})^2

A=\pi \frac{d^2}{4}

4 0
3 years ago
The graph represents this system of equations. What is the solution to the system of equations? a(–2, 4) b( 3, 4) c (4, –2) d(4,
alekssr [168]
Okay. All we have to do is look at this graph and see what points out of those answer choices show up. (-2, 4) is on the line (actually where the line intersects) but what about the others? (4, -2) and (4, 3) are not connected with any of the lines, so C and D are eliminated. (3, 4) is on the line, but that's not where both lines intersect. Intersecting lines at a point shows that the point is the solution, in this case (-2, 4) is the solution to this system of equation. The answer is A: (-2, 4).
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3 years ago
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Calculus find the functions and state the domain
Sergio039 [100]

Answer:

check image below

Step-by-step explanation:

f of g of x is also known as a composite function and it is mathematically denoted as (f ∘ g)(x) and it means that x = g(x) should be substituted in f(x)

8 0
2 years ago
To finish a project, you need to paint the lateral surfaces of a cube with side length 2.5 inches. Find the area that you need t
valentina_108 [34]

Answer:

25 in^2

Step-by-step explanation:

We want to find the lateral surface area of the cube.

The lateral surface area of a cube is given as:

A = 4a^2

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Therefore, given that the length of the side of the cube is 2.5 inches, the area you need to paint is:

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