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Andrews [41]
3 years ago
10

10r2 = 2(5)(r)(r) 4r = 2(2)(r) What is the LCD of the expressions?

Mathematics
1 answer:
lina2011 [118]3 years ago
5 0
Would it be 2 because it is the smallest all those can go into and also the smallest shown
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snow_lady [41]
A i did this and i got a good grade
6 0
2 years ago
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Which is equivalent to 3/8x?
g100num [7]

Answer:

b.

Step-by-step explanation:

hope this helps, could i get brainliest?

5 0
3 years ago
What is the equation
erastova [34]
Thats figure is made of 2 triangles and 1 rectangle
so we will find the area of triangles and rectangles then add them

Triangle Area=1/2*x/2*2=x/2

multiply by 2 as we have two triangles=2*x/2=x
Area of a rectangle=x*2=2x
Add them=x+2x=14(given area of trepaziod
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6 0
3 years ago
Write each expression as an algebraic​ (nontrigonometric) expression in​ u, u > 0.
max2010maxim [7]

Answer:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)=\frac{20\sqrt{u^2-100}}{u^2}\text{ where } u>0

Step-by-step explanation:

We want to write the trignometric expression:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)\text{ where } u>0

As an algebraic equation.

First, we can focus on the inner expression. Let θ equal the expression:

\displaystyle \theta=\sec^{-1}\left(\frac{u}{10}\right)

Take the secant of both sides:

\displaystyle \sec(\theta)=\frac{u}{10}

Since secant is the ratio of the hypotenuse side to the adjacent side, this means that the opposite side is:

\displaystyle o=\sqrt{u^2-10^2}=\sqrt{u^2-100}

By substitutition:

\displaystyle= \sin(2\theta)

Using an double-angle identity:

=2\sin(\theta)\cos(\theta)

We know that the opposite side is √(u² -100), the adjacent side is 10, and the hypotenuse is u. Therefore:

\displaystyle =2\left(\frac{\sqrt{u^2-100}}{u}\right)\left(\frac{10}{u}\right)

Simplify. Therefore:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)=\frac{20\sqrt{u^2-100}}{u^2}\text{ where } u>0

4 0
3 years ago
the volume of a cube depends on the length of its sides.this can be written in function notation as v(s). what is the best inter
Sergeeva-Olga [200]

<u>Answer:</u>

Interpretation: A cube with sides of 4 units each has a volume of 64 units³.

<u>Explanation:</u>

As v(s) represents the volume of the cube, s represents the length of the sides.

∴ v(4) represents the volume of a cube with sides of  units, and the volume is 64 units³

4 0
2 years ago
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