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katen-ka-za [31]

2 years ago

11

An IPod Nano has 2 gigabytes of storage and can hold about 500 songs. The iPod Plus has 80 gigabytes of storage. How many songs

can the IPod Plus hold?

2 answers:

aleksandr82 [10.1K]2 years ago

6 0

Answer - 20,000 as the iPod can hold 250 songs per gigabyte - explanation - 80 X 250

jasenka [17]2 years ago

4 0

80 * 250 =20,000

The iPod can hold 250 songs per gigabyte.

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The principal of a middle school claims that test scores of the seventh-graders at his school vary less than the test scores of

AveGali [126]

Answer:

There is sufficient evidence to support the claim that the standard deviation is less than 14.7.

Step-by-step explanation:

From the question we are told that that the null hypothesis is

$H_o : \sigma < 14.7$

Now given from the question that this null hypothesis was rejected, it mean, in non technical term that there is sufficient evidence to support the claim that the standard deviation is less than 14.7.

3 0

2 years ago

The population of a species of rabbit triples every year. This

jok3333 [9.3K]

Answer:

"4" represents that there are 4 rabbit in the beginning.

Step-by-step explanation:

Given that the population of a species of rabbit triples every year. This

can be modeled by function $f\left(x\right)=4\left(3\right)^x$ and $f(5) = 972$ .

Now we need to find about what does the 4 represent in the given function.

We know that exponential function is given by $f\left(x\right)=a\left(b\right)^x$ . Where "a" represents the initial amount.

we have a=4 in given function $f\left(x\right)=4\left(3\right)^x$ .

So that means "4" represents that there are 4 rabbit in the beginning.

3 0

2 years ago

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diamong [38]

Answer:

3x+12y+4 -- is the simplified version, variables would be x and y

5 0

2 years ago

What linear function can be represented by the set of ordered pairs?

zzz [600]

<span>Solving for the slope using points ( (−4, 15), (0, 5)</span>
M = ( 15 – 5) / ( -4 – 0) = -5 / 2
Solving for b <span>
Y = mx + b</span> 5 = 0(-5/2) + b
B = 5
So the linear function is
<span>Y = (-5/2) x + 5</span>

8 0

2 years ago

Read 2 more answers

Find the value of the variable

Neporo4naja [7]

Answer:

x=6

Step-by-step explanation:

I would look at this triangle and notice that x can be solved by setting up a ratio.

I generally put the short side of the triangle on the top and the long side on the bottom

4/x = x/9

You then cross multiply to get 36=x^2, or +-6=x

A length of a triangle cannot be negative, so we are left with the answer x=6

8 0

2 years ago