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Stells [14]
3 years ago
5

While at the store Mai finds a pair of boots she likes for $45.

Mathematics
1 answer:
uysha [10]3 years ago
8 0

Answer:

$31.5 i used a caculator

Step-by-step explanation:

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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
HELP PLEASE KHAN ACADAMY
pychu [463]

Answer:

-45

Step-by-step explanation:

4 0
3 years ago
A line goes through the points (4, 5) and (2, -6). Write the equation of the line in point-slope form. Show your work for full c
ehidna [41]

Answer:

y = 5.5x – 17

Step-by-step explanation:

Slope (m) = ΔY/ΔX=11/2 =5.5

When x=0, y = -17

4 0
2 years ago
I really need help asap with this math homework,<br> It is due tonight.
boyakko [2]

Answer:1920

Step-by-step explanation:

Sorry if this is not accurate but here is how your gonna do it

Find the constant speed per hour (The quotient is 80) then multiply that by 24 which you will get 1920 Hopefull this helps and its correct :D

7 0
3 years ago
A concrete stepping stone neasures 20 square inches. what is the area of 30 such stones?
sattari [20]
If the area of one is 20, that the area of 30 is 20*30=600 square inches.
3 0
3 years ago
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