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wariber [46]
4 years ago
12

A piece of metal has a mass of 2210 g. The volume of the metal is 260 cm³.

Mathematics
2 answers:
Mademuasel [1]4 years ago
7 0

Answer:

8.5g*cm^{-3}

Step-by-step explanation:

Density = mass / volume

\rho=\frac{m}{V}

\rho =\frac{2210}{260} =8.5g*cm^{-3}

Vlada [557]4 years ago
6 0

Answer:

density= 8.5\,\,\frac{g}{cm^3}

Step-by-step explanation:

Recall that the formula for density is:

density=\frac{mass}{volume}

therefore for this case we have:

density=\frac{mass}{volume} \\density=\frac{2210}{260} \,\frac{g}{cm^3} \\density= 8.5\,\,\frac{g}{cm^3}

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At the movie theatre, child admission is $5.10 and adult admission is $9.00 .
sveticcg [70]

Answer:

5.10 X +9.00 Y = 831.60

We also know that for Wedneday we have two times tickets for adults compared to child so we have

Y =2x

And using this condition we have:

5.10 X + 18 X = 831.60

And solving for X we got:

X= \frac{831.60}{23.1}=36

So then the number of tickets sold for child are 36

Step-by-step explanation:

For this problem we can set upt the following notation

X = number of tickets for child

Y= number of tickets for adults

And we know that the total revenue  for Wednesday was 831.60. So then we can set up the following equation for the total revenue

5.10 X +9.00 Y = 831.60

We also know that for Wedneday we have two times tickets for adults compared to child so we have

Y =2x

And using this condition we have:

5.10 X + 18 X = 831.60

And solving for X we got:

X= \frac{831.60}{23.1}=36

So then the number of tickets sold for child are 36

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4 years ago
By visual inspection, determine the best-fitting regression model for the data plot below.
NeX [460]

Answer:

Quadratic

Step-by-step explanation:

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

To start, a square is 4 sides that are equal in length. This means that when you have a problem like this, you need to set the equations equal to each other like:

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In order to solve a problem like this, with the same variables on different sides, start by subtracting the smaller variable from both sides. In this case, you would be subtracting 2x from both sides, which would leave us with:

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4 years ago
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skad [1K]

Answer:

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Step-by-step explanation:

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