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vredina [299]
2 years ago
5

Evaluate in a clever way.(7.07+70.007+7.0007+700)÷7

Mathematics
2 answers:
zaharov [31]2 years ago
7 0
It is 112.0111 because if you do inside the parentheses it will be 784.0777 and then divide by 7 so it equals 112.0111
olga2289 [7]2 years ago
5 0
It's 112.0111


(((((((((:
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2 years ago
A certain electronics manufacturer found that the average cost C to produce x DVD/Blu- ray players can be found using the equati
Marina CMI [18]

Answer:

Minimum average cost = 743.75

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Step-by-step explanation:

Given the cost equation

C = 0.04x² − 5x + 900

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Find dc/dx = 0

Diffentiate cost, c it ith respect to x

dc/dx = 2(0.04x) - 5

dc/dx = 0.08x - 5 = 0

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6 0
2 years ago
A container built for transatlantic shipping is constructed in the shape of a right rectangular prism. Its dimensions are 7 ft b
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Given:

Dimensions are 7 ft by 5 ft by 8.5 ft

Contents weigh 0.21 pound

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Sol:

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\begin{gathered} Volume\text{ = }7\times5\times8.5 \\  \\ =297.5 \end{gathered}

The formula of density is:

\text{ Density =}\frac{\text{  Mass}}{\text{ Volume}}

So,

\begin{gathered} 0.21=\frac{\text{ Weight  of contents in container}}{\text{ Volume of container}} \\  \\ 0.21=\frac{\text{ Weight}}{297.5} \\  \\ 0.21\times297.5=\text{ Weight} \\  \\ \text{ Weight of contents in container = }62.475\text{ Pound} \end{gathered}

Now $8.80 per pound

For 62.475 pounds the value is:

\begin{gathered} =62.475\times8.80 \\  \\ =549.78 \end{gathered}

So the value of the container contents is 549.78

7 0
1 year ago
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Y_Kistochka [10]
I'm 90% sure the answer is twenty-six cm.
7 0
3 years ago
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Reptile [31]

Answer: The answer is A

Step-by-step explanation: because 5x-30= -150 because I looked it up

8 0
3 years ago
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