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REY [17]
3 years ago
13

I will rate you brainliest

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0

\dfrac{{x+4\over2}}{{x^2-16\over3}}

=\dfrac{3(x+4)}{2(x+4)(x-4)}=\frac{3}{2(x-4)}

but in original fraction, denominator can't be zero so we have to exclude x=±4

do that answer is D

IgorC [24]3 years ago
3 0

Answer:

D) 3/2(X-4)

Step-by-step explanation:

Invert and multiply to get:

3(x+4)/2(x²-16)

factor the bottom

3(x+4)/2(x+4)(x-4)

The (x+4)’s cancel out, and you’re left with

3/2(X-4)

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Please help me with the problem
mixas84 [53]
Let's see what we're working on here 

\frac{1}{2}  - 2(m) =?
            ? = 0
Simplify this → \frac{1}{2}

\frac{1}2y} - 2(m) = ?

\frac{2(m)(2)}{2}

\frac{1 - 4(m)}{2} = ?

\frac{1 - 4(m)}{2} = 2

-4(m) + 1 = 0
 Subtract ( - )the number 1 from each of your sides on this part

4(m) = 1 
Multiply( ×) the number -1 to your sides for this part of the equation 

Therefore, the value of m is \frac{1}{4}
m =  \frac{1}{4}


3 0
3 years ago
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Find the vertex of the parabola.<br> x² + y - 6x + 10 = 0
Drupady [299]
Find the Vertex Form

y = -(x-3)^2-1
3 0
3 years ago
Lin rode a bike 20 miles in 120 at a constant speed. How far did she ride in 12 minutes?<br>​
zaharov [31]

Answer: 72 miles

Step-by-step explanation:

4 0
3 years ago
Analyze the diagram below and complete the instructions that follow. Find a, b, and c.
ahrayia [7]

Answer:

<u>The correct answer is the letter C. </u>

Step-by-step explanation:

We can use the following trigonometric identity:

cos(60)=\frac{6}{b} (1)

cos(45)=\frac{c}{b} (2)

Solving each equation by b and equaling we have:

\frac{6}{cos(60)}=\frac{c}{cos(45)}

\frac{6}{cos(60)}=\frac{c}{cos(45)}

Let's recall that:

cos(45)=\frac{1}{\sqrt{2}}

cos(60)=\frac{1}{2}

Then we have:

c=\frac{cos(45)*6}{cos(60)}

c=\frac{2*6}{\sqrt{2}}

c=\frac{12}{\sqrt{2}}

c=6\sqrt{2}

Using equation (1) we can find b.

cos(60)=\frac{6}{b}  

b=12      

Finally, we can find a using the next equation:

tan(60)=\frac{a}{6}

a=6*tan(60)

a=6\sqrt{3}

<u>Therefore, the correct answer is the letter C. </u>

I hope it helps you!

5 0
2 years ago
The price of a pair of shoes is 45.90. the sales tax is 5%. how much sales tax do you need to pay
grin007 [14]
2.295 rounded out to be 2.30
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