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3 years ago

Please help Due in 3 Min!

Mathematics

1 answer:

iren2701 [21]3 years ago

7 0

The answer is 32 I really hope this helps with

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Can Someone Plz Help, I have to attachments.

Sav [38]

What you have is right

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2 years ago

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Drag steps of the solution into order to solve for x in the equation 7(x – 4) = 84.

Olin [163]

1. 7x - 28 = 84
2. 7x = 112
3. x = 16

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2 years ago

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a toy manufacturer has designed a new piece for use in building models. It is a cube with side lengths 7 mm and has a 3 mm in di

Ray Of Light [21]

Given that the cubical piece has side (s) 7 mm, and a cylindrical hole of diameter (d) as 3 mm.

The volume of the piece can be calculated as,

$\begin{gathered} \text{Volume of piece}=\text{ Volume of cube}-\text{ Volume of cylinder} \\ V=s^3-\frac{\pi}{4}d^2s \\ V=7^3-\frac{\pi}{4}(3)^2(7) \\ V=343-\frac{63\pi}{4} \\ V\approx293.52mm^3 \\ V\approx293.52\times10^{-9}\text{ }m^3 \end{gathered}$

It is mentioned that the material costs $207 per cubic meter, so the cost (c) of 1 piece is calculated as,

$\begin{gathered} \text{Cost of 1 piece}=\text{ Cost per unit volume}\times\text{ Volume of 1 piece} \\ c=207\times293.52\times10^{-9} \\ c\approx60758.64\times10^{-9} \end{gathered}$

This is the cost (in dollars) for 1 piece.

Given that the manufacturer wants to produce 1,000,000 such pieces, so the total cost (TC) is calculated as,

$\begin{gathered} \text{Total Cost}=\text{ Cost per piece}\times\text{ No. of pieces} \\ TC=60758.64\times10^{-9}\times1,000,000 \\ TC=60758.64\times10^{-9}\times10^6 \\ TC=60758.64\times10^{-3} \\ TC=60.75864 \\ TC\approx60.75 \end{gathered}$

Thus, the total prototypes will cost around $60.75

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1 year ago

What is the most reasonable answer for PI squared?

Daniel [21]

Answer:

9.87

Step-by-step explanation:

usually in math you never have to write down what pi squared is, you just have it incorporated into your equations. But here is the best written answer.

3 0

2 years ago

Write this ratio as a fraction in simplest form without any units. 3 gallons to 40 quarts.

STALIN [3.7K]

Answer:

120quarts because you have to add 40+40+40

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1 year ago