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alex41 [277]
3 years ago
13

Find the value of x. Round your answer to the nearest tenth.​

Mathematics
2 answers:
SVEN [57.7K]3 years ago
5 0
13.9
it’s a special triangle and that side would be 8√3 which is 13.9
zmey [24]3 years ago
5 0

Answer:

c. 13.9

Step-by-step explanation:

we can work out the third angle

all angles add up to 180

90 + 30 = 120, 180 - 120 = 60

using law of sines

\frac{x}{ \sin(a) }  =  \frac{b}{ \sin(b) }

where sin(a) = 60, b = 30 and sin(b) = 30

\frac{x}{sin(60)}  =  \frac{8}{ \sin(30) }

x =  \frac{8}{sin(30)}  \times  \sin(60)

x = 13.9

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Zanzabum

Answer:

900

Step-by-step explanation:

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3 years ago
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4 years ago
Read 2 more answers
factor 3a^5-18a^3+6a^2, I know the answer is 3a^2(a^3-6a+2) but I am so lost on how to get the factor of 3a^2..How in the world
rusak2 [61]

Answer:

\huge\boxed{3a^2(a^3-6a+2)}

Step-by-step explanation:

\sf 3a^5-18a^3+6a^2\\\\HCF = 3a^2\\\\Take \ 3a^2 \ common\\\\= 3a^2(a^3-6a+2)\\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
5 0
3 years ago
In a sale there is 25% off all prices a bed costs £33 how much was it before the sale ?
Troyanec [42]
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8 0
3 years ago
verbally explain how to obtain the graph of the quadratic function f(x)=-2(x+3)^2-4 from the graph of y=x^2.
Ksivusya [100]

Answer:

The graph f(x)=-2(x+3)^2-4 is a reflection over the x-axis, vertical stretch by a factor of 2, a horizontal translation left 3 units and a vertical translation 4 units down of the graph y=x^2.

Step-by-step explanation:

The graph f(x) is reflected over the x-axis because the negative is outside of the parenthesis.

it's a vertical stretch by a factor of 2 because 2 is outside of the parenthesis and is greater than 1.

(x+3) is a horizontal translation left 3 units because it is inside the parenthesis.

-4 is vertical translation 4 units down because it is outside of the parenthesis.

7 0
3 years ago
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