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kiruha [24]
3 years ago
5

a metal cube measures 2-centimeters on each side the mass of the cube is 72 grams what is the density of the metal cube​

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

9 gram/cm³

Step-by-step explanation:

Volume of  a square (L³) = 2³ = 8cm³

Volume of  a square (L³) = 2³ = 8cm³

But Density = mass/volume

But Density = Mass/Volume

Density = 72grams/8cm³

Density = 9grams/cm³

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Step-by-step explanation:

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A biologist tracked the growth of a strain of bacteria, as shown in the graph.
ozzi

Answer:

Part A -> Function

Part B -> Function

Step-by-step explanation:

<u>Concept</u>

A relationship is a function only if there's a single y value corresponding to an x value. It can have the same y value for different x values but it <em>must not have multiply y values for a single x value</em>.

Below is an example

<u>Function</u>                                        <u>Not a Function</u>

<u>x</u>           <u>y</u>                                        <u>x</u>           <u>y</u>

1           5                                        1            5

2          6                                        2           7

3          5                                         1           6

<u>Part A</u>

Looking at the given graph, we see that the relationship has a single y value corresponding to an x value and so it is a function.

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If there was the same number of bacteria for two consecutive hours it would mean the same y value for different x values. So, it would still remain a function.

7 0
3 years ago
Find the 44th percentile, P44, from the following data! pls help
irina [24]

Answer:

P_{44} = 29.9

Step-by-step Explanation:

The 44th percentile, P_{44}, of the given data can be calculated using the kth formula for percentile given as:

i = \frac{k}{100}(n + 1)

where,

i = the ranking or the position of the percentile = ?

k = the percentile = 44

n = total number of the given data values = 23

Plug in the values into the formula to find "i"

i = \frac{44}{100}(23 + 1)

i = \frac{44}{100}(24)

i = \frac{1,056}{100}

i = 10.56

Since "I", 10.56, is not an integer, round the number down, and round it up to the nearest integer, then look for the position each occupy in the ordered data set, and find their average.

Thus,

i_{down} = 10.56 = 10

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The data occupying the 10th position on the data set = 28.7

11th = 31.1

P_{44} = \frac{28.7 + 31.1}{2} = \frac{59.8}{2}

P_{44} = 29.9

6 0
3 years ago
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