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2 years ago

The ratio of toy cars to toy airplanes in Drew’s collection is 5:2.

Mathematics

2 answers:

Monica [59]2 years ago

7 0

Answer:

For every 7 toys, there are 5 toy cars.

For every 7 toys, there are 2 toy airplanes.

For every 5 toy cars, there are 2 toy airplanes.

Step-by-step explanation: For anyone who is interested, there is 5 toy cars and 2 toy airplanes. 5+2 = 7. (That equals the total amount of toys) Using that information, A and B would be incorrect.

Dima020 [189]2 years ago

5 0

The answer is For every 5 toy cars, there is 2 toy airplanes. Hopes this helps

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B. and D. are functions

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3 years ago

Y is a number such that 6y = 12

nataly862011 [7]

6y = 12
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3 years ago

I need help with my math homework.

posledela

Answer:

Step-by-step explanation

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3 years ago

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

7 0

1 year ago

I have a question for you

egoroff_w [7]

Answer:

10 5/6

Step-by-step explanation:

First we have to make 2 1/6 into an improper fraction. This can be rewritten as 13/6. Now, we can multiply 13 by 5 and get 65/6. If we re-convert this into a mixed number, 6 goes into 65 10 times with a remainder of 5, so the final answer is 10 5/6.

4 0

3 years ago