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sammy [17]
3 years ago
11

if there are 21 students in the club and the y-shirt order costs a total of $187, how much does each y-shirt cost?​

Mathematics
2 answers:
S_A_V [24]3 years ago
8 0

Answer:

8.90476190

Step-by-step explanation:

divide the total number by the number of people

neonofarm [45]3 years ago
3 0
$8.90 (eight dollars and ninety cents)
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An open-top box with a square base is to have a volume of 4 cubic feet. Find the dimensions of the box (in ft) that can be made
Lemur [1.5K]

Answer:

The dimension of box=2ft\times 2ft\times 1ft

Step-by-step explanation:

We are given that

Volume of box=4 cubic feet

Let x be the side of square base and h be the height of box

Volume of box=lbh=x^2h

4=x^2h

h=\frac{4}{x^2}

Now, surface area of box,A=x^2+4xh

A=x^2+4x(\frac{4}{x^2})=x^2+\frac{16}{x}

\frac{dA}{dx}=2x-\frac{16}{x^2}

\frac{dA}{dx}=0

2x-\frac{16}{x^2}=0

2x=\frac{16}{x^2}

x^3=8

x=2

\frac{d^2A}{dx^2}=2+\frac{32}{x^3}

Substitute x=2

\frac{d^2A}{dx^2}=2+\frac{32}{2^3}=2+4=6>0

Hence, the area of box is minimum at x=2

Therefore, side of square base,x=2 ft

Height of box,h=\frac{4}{2^2}=1 ft

Hence, the dimension of box=2ft\times 2ft\times 1ft

5 0
2 years ago
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fiasKO [112]
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3 0
2 years ago
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Alina [70]

Answer:

Step-by-step explanation:

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4 0
2 years ago
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Yuki888 [10]

Answer:

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Step-by-step explanation:

step by step explanation

3 0
3 years ago
A winter jacket cost $200. It is on sale for 30% off when you have a coupon to save another 20%. How much do you have to pay for
Luba_88 [7]

Answer:

$100

Step-by-step explanation:

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50/100 = 1/2

200*1/2 = $100

5 0
3 years ago
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