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Zarrin [17]
3 years ago
14

❗️❗️❗️Find the length of side x in simplest radical form with a rational denominator.❗️❗️❗️

Mathematics
2 answers:
harkovskaia [24]3 years ago
6 0

Answer:

3

Step-by-step explanation:

In a 30-60-90 triangle, the ratio of the shorter side to the longer side length is 1:\sqrt{3}. Therefore:

x=\sqrt{3} \cdot \sqrt{3}= \\\\\sqrt{3}^2= \\\\3

Hope this helps!

Marizza181 [45]3 years ago
5 0

Answer: 3

Step-by-step explanation:

Oh the joys of a 30, 60, 90 triangle, what makes this great is the fact that there is a common ratio. The lengths go as follows:

1 ,  \sqrt{3},  2

So in this case the 1 is the \sqrt{3}, and the hypotenuse is 2\sqrt{3}, thats because in a 30, 60, 90 triangle the hypotenuse must always be twice the length of the smallest side in the triangle.

Okay so now we are left with the weird middle side of the triangle. And basically you multiply \sqrt{3} to \sqrt{3} = 3.

  1 ,  \sqrt{3},   2

multiply by \sqrt{3}

\sqrt{3},   3,   2\sqrt{3}

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Factor: 64v^4 - 225w^10
love history [14]

Answer:

(8v^2-15w^5)(8v^2+15w^5)

Step-by-step explanation:

STEP 1:

8^{2}v^{2*2} - 15^{2}w^{2*5}

STEP 2:

8^{2} * (v^{2})^{2} - 15^{2} * (w^{5})^{2}

STEP 3:

(8v^2)^2 - (15w^5)^2

STEP 4:

(8v^2-15w^5)(8v^2+15w^5)

6 0
3 years ago
Find the measure of <2.
n200080 [17]

Answer:

\displaystyle 90° = m∠2

Step-by-step explanation:

In every rhombus, when you have two diagonal segment bisectors, you will always have a circumcentre showing all midpoints of both segment bisectors, plus, it measures 90° all around, so with that being said, you have your answer.

I am joyous to assist you anytime.

6 0
3 years ago
A mathematics teacher wanted to see the correlation between test scores and
SpyIntel [72]

Answer:

The homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

Step-by-step explanation:

The general form of the linear regression equation is:

y=a+bx

Here,

<em>y</em> = dependent variable = test grade

<em>x</em> = independent variable = homework grade

<em>a</em> = intercept

<em>b</em> = slope

Compute the value of <em>a</em> and <em>b</em> as follows:

a=\frac{\sum Y\cdot \sum X^{2}-\sum X\cdot\sum XY}{n\cdot \sum X^{2}-(\sum X)^{2}}\\\\=\frac{(592\times 44909)-(591\times45227)}{(8\times44909)-(591)^{2}}\\\\=-14.316                b=\frac{n\cdot \sum XY-\sum X\cdot\sum Y}{n\cdot \sum X^{2}-(\sum X)^{2}}\\\\=\frac{(8\times 45227)-(591\592)}{(8\times44909)-(591)^{2}}\\\\=1.195

The linear regression equation that represents the set of data is:

y=-14.316+1.195x

Compute the value of <em>x</em> for <em>y</em> = 68 as follows:

y=-14.316+1.195x

68=-14.316+1.195x\\1.195x=68+14.316\\1.195x=82.316\\x=68.884\\x\approx 69

Thus, the homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

8 0
2 years ago
What is the system of equations 6x-6y=42 7x+6y=-78
Makovka662 [10]
X= -11.14
y= -18.14

Plug in and check for yourself but these answers worked for me.



6 0
3 years ago
Please help me with this!!
jeka94

Answer:

I think it is 3.

Step-by-step explanation:

4 0
2 years ago
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