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Triss [41]
3 years ago
11

Please Help Me!!! What is 81y + 54

Mathematics
1 answer:
stira [4]3 years ago
5 0

Answer:

2

Step-by-step explanation:

y

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A box with a square base and no top is to be built with a volume of 4000 in3. find the dimensions of the box that requires the l
vekshin1

Let the length of the square base be x inches .

And the height of the box be y inch .

Volume = x*x*y

4000 = x *x *y

y = \frac{4000}{x^2}

S = x*x + 2xy + 2 x y

S = x^2 + 4 xy

S = x^2+ 4x* \frac{4000}{x^2}

S = x^2 + \frac{16000}{x}

S ' = 2x - \frac{16000}{x^2}

S ' =0

2x - \frac{16000}{x^2}=0

2x^3 - 16000 = 0

x^3 = 8000

x = 20

y =  \frac{4000}{20^2} = \frac{4000}{400} = 10

6 0
3 years ago
Find the volume of the right prism.<br> For number 4
kvasek [131]
The answer is 36
Answer - 36
7 0
3 years ago
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Solve the equation.<br> 6 - x - x = 18
vova2212 [387]
X = -6
6 - -6 - -6 = 18
4 0
3 years ago
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The figure shows ∠AOC drawn with a protractor. What type of angle is it and what is its measure?
Debora [2.8K]

Answer:

the answer is acute 35.


Step-by-step explanation:


3 0
3 years ago
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A circle has An area of 36 pi square inches which best represents the circumference of the circle.
kkurt [141]

Answer: 12πins.

Step-by-step explanation:

Since the area if a circle = πr²

From the question

Area of the circle = 36πins²

To find the circumference of the circle, we need to find the common radius of the circle and this could be achieved from the area of the circle given above.

πr² = 36π, solving this gives. Divide through by π

r² = 36

r = +/-√36

= +/-6

Now to find the circumference of the circle, we substitute for r in the formula below.

Circumstances = 2πr

= 2 ×π × 6

= 12πins.

4 0
3 years ago
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