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monitta
3 years ago
6

What is twenty devided by 5 equalls what?

Mathematics
1 answer:
Alona [7]3 years ago
8 0
20 divided by 5 equals 4

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Jo is thinking of a number. four less than 9 times the number is 176. find jo's number
luda_lava [24]

Answer:20

Step-by-step explanation:

7 0
3 years ago
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Solve each proportion<br> how do you do this?
pav-90 [236]

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So i have 136 sq units in surface area of a rectangle how do i get 136 <br> plz helps as so you can
Savatey [412]

Answer:

well you answered the question in your question: you have Area = 136 square units. How you got it, you need to be more specific. Maybe it's because the side lengths are 2 * 68 for example. If anything provide more info. tried to help the best I can

Step-by-step explanation:

5 0
3 years ago
A fence is to be built to enclose a rectangular area of 210 square feet. The fence along three sides is to be made of material t
Serhud [2]

Answer with explanation:

Let the length of rectangular fence = x meters

Let the width of the rectangular fence = y meters

Thus

Area=x\times y=210ft^{2}...........(i)

Now Let the total cost to construct the fence be 'C' can be obtained if we construct the shorter side with material with cost $12 per foot

\therefore C=5\times (2y+x)+12\times x\\\\C=10y+17x...............(ii)

Using value of x from the equation i into equation ii we get

C=10y+17\times \frac{210}{y}

hence to minimize the cost we differentiate both sides with respect to 'y' and equate the result to zero thus we get

C=10y+17\times \frac{210}{y}\\\\\frac{dC}{dy}=\frac{d}{dy}(10y+\frac{3570}{y})\\\\0=10-\frac{3570}{y^{2}}\\\\\therefore y=\sqrt{\frac{3570}{10}}=18.894feet

Thus x=\frac{210}{18.894}=11.11feet

Thus value of length = 11.114 feet and value of width = 18.894 feet.

4 0
3 years ago
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Factor the common factor out of 16p^4÷4p^3
astra-53 [7]
4p^3(4p/1) is the answer (slash and divided are the same thing in case there's confussions)
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3 years ago
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