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Kamila [148]
3 years ago
9

What is this i need the answer and common denominator 5/6,1/3 and 5/6,2/9

Mathematics
1 answer:
Alona [7]3 years ago
5 0
The least common multiple of 3, 6, and 9 is 2*3*3 = 18. That is your common denominator.

5/6 = 15/18
1/3 = 6/18
2/9 = 4/18
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What is the exact value of tan 30° ? enter your answer, as a simplified fraction, in the box?
attashe74 [19]

In this question , we have to find the value of tan 30  and we need to write the answer in simplified form .

tan x = \frac{sin x}{ cos x}

Substituting the values of sin (30) and cos(30, we will get

tan (30) = \frac{1/2}{ \sqrt{3} /2}

Multiplying both numerator and denominator by 2, we will get

tan(30 )  = \frac{1}{ \sqrt3}

TO simplify it, we need to multiply both numerator and denominator by square root 3.

tan(30) = \frac{ \sqrt 3}{ \sqrt3 * \sqrt 3} = \frac{ \sqrt 3}{3}

6 0
2 years ago
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What is the measure of ABC?<br> A. 130<br> B. 85<br> C.40<br> D.170
Nitella [24]

Answer:

130

Step-by-step explanation:

3 0
3 years ago
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For part A and B, the options are positive and negative.
ipn [44]

Answer:

Coordinates: (2, -1)

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X coordinate is positive

Y coordinate is negative

Part B

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X coordiate is negative

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6 0
2 years ago
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Graph the equation to solve the system. y=2x+7 1/2y=x+7/2
vlabodo [156]

Given equation is y=2x+7 and \frac{1}{2}y=x+\frac{7}{2}

Let's simplify the 2nd equation \frac{1}{2}y=x+\frac{7}{2} before we can start graph so that calculation will be easy

\frac{1}{2}y=x+\frac{7}{2}

multiply both sides by 2 to cancel out fractions

2*\frac{1}{2}y=2*x+2*\frac{7}{2}

y=2x+7

which is exactly same as the first equatoin so graph of both will be exactly same and solution will be infinitely many solutions.

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3 0
3 years ago
Umm so I'm confused<br> The question says<br> 5x - 2y = 24<br> x + 2y = 12
Anna007 [38]

Answer:

Step-by-step explanation:

5x-2y=24

x+2y=12

add the two equations

(5x-2y)+(x+2y)=24+12

6x=36

x=6

Plug in x=6 into any of the two equations

5(6)-2y=24

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-6= -2y

y= 3

x=6

y=3

(6,3)

6 0
2 years ago
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