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Tamiku [17]
2 years ago
11

Multiply:

rac{8n^{2} }{m^{2}-16 }" alt="\frac{8n^{2} }{m^{2}-16 }" align="absmiddle" class="latex-formula">×\frac{m^{2}-4m }{6n}
Mathematics
1 answer:
Mkey [24]2 years ago
3 0

9514 1404 393

Answer:

  4mn/(3m+12)

Step-by-step explanation:

It is often helpful to factor expressions so that common factors can cancel.

  \dfrac{8n^2}{m^2-16}\times\dfrac{m^2-4m}{6n}=\dfrac{8mn^2(m-4)}{6n(m-4)(m+4)}=\dfrac{4mn}{3(m+4)}\\\\=\boxed{\dfrac{4mn}{3m+12}}

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Exercise
svp [43]

By addition of all the exercise and substracting it from 1 hourJavier runs on treadmill on Monday is 0.40 hour.

Now According to the question javier completed 3 repetitions of each exercise so by multiplication time taken by javier to complete each exercise is as follow;

Squats = 0.8*3= 0.24 hour

Crunches = 0.03*3 = 0.09 hour

Lunges = 0.04*3 = 0.12 hour

curls = 0.05*3 = 0.15 hour

we can calculate total time taken to complete all exercise by Addition is,

0.24 + 0.09 + 0.12 + 0.15

0.60 hour

time taken on treadmill by javier;

1 hour - 0.60 hour

0.40 hour

Read more about Addition here:

brainly.com/question/20658817

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4 0
1 year ago
Aidan has 20 ft of fence with which to build a rectangular dog run. What is the maximum area he can enclose? Enter your answer i
irina1246 [14]
<h2>Maximum area is 25 m²</h2>

Explanation:

Let L be the length and W be the width.

Aidan has 20 ft of fence with which to build a rectangular dog run.

         Fencing = 2L + 2W  = 20 ft

                     L + W = 10

                      W = 10 - L

We need to find what is the largest area that can be enclosed.

     Area = Length x Width

      A = LW

       A = L x (10-L) = 10 L - L²

For maximum area differential is zero

So we have

      dA = 0

      10 - 2 L = 0

        L = 5 m

      W = 10 - 5 = 5 m

Area = 5 x 5 = 25 m²

Maximum area is 25 m²

7 0
3 years ago
If f(x) = e^[3ln(x^2)], then f'(x) = ?
kherson [118]
You might need to give out the choices, if there are any. thanks for asking.
8 0
3 years ago
Read 2 more answers
Do any of you guys know this please i need helppp!!
Fudgin [204]
The third one
5/6 is the answer
7 0
2 years ago
Read 2 more answers
Write a fact with the same sum as 7+5
kaheart [24]
7+5=12 so it can be one of these 8+4=12, 9+3=12, 10+2=12, and 11+1=12.
5 0
2 years ago
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