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ohaa [14]
2 years ago
15

At Norman's Newsstand, 5 magazines cost $10.00. How many magazines could you buy with $24.00?

Mathematics
2 answers:
kow [346]2 years ago
6 0

Answer: you could buy 12 magazines

Step-by-step explanation:

each magazine is $2

Feliz [49]2 years ago
4 0

Answer:

If 5 magazines = $10.00

Then,

10. 20

<u>15. 25</u>

20.30

Step-by-step explanation:

the answer would be 15

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Michelle has just been informed that her cell phone plan will be increasing in price. Her new pricing plan has a flat fee of $30
CaHeK987 [17]
30+0.10x
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34+30=64
64 dollars, I think
3 0
2 years ago
If Jerry has four apples and you take away two how many does Jerry have
Effectus [21]

Answer:

Jerry will have two apples only

4-2=2

7 0
3 years ago
Read 2 more answers
3x+2y+4+9y=<br> Plz answer
fomenos
<span>3x+2y+4+9y=


Combine like terms:
2y+9y=11y


I believe the answer is 3x+11y+4

(That is unless you know the numbers that y & x equals)</span>
5 0
3 years ago
A survey was conducted that asked 1003 people how many books they had read in the past year. Results indicated that x overbar eq
Sergio [31]

Answer:

The 99% confidence interval would be given (11.448;14.152).

Step-by-step explanation:

1) Important concepts and notation

A confidence interval for a mean "gives us a range of plausible values for the population mean. If a confidence interval does not include a particular value, we can say that it is not likely that the particular value is the true population mean"

s=16.6 represent the sample deviation

\bar X=12.8 represent the sample mean

n =1003 is the sample size selected

Confidence =99% or 0.99

\alpha=1-0.99=0.01 represent the significance level.

2) Solution to the problem

The confidence interval for the mean would be given by this formula

\bar X \pm z_{\alpha/2} \frac{s}{\sqrt{n}}

We can use a z quantile instead of t since the sample size is large enough.

For the 99% confidence interval the value of \alpha=1-0.99=0.01 and \alpha/2=0.005, with that value we can find the quantile required for the interval in the normal standard distribution.

z_{\alpha/2}=2.58

And replacing into the confidence interval formula we got:

12.8 - 2.58 \frac{16.6}{\sqrt{1003}}=11.448

12.8 + 2.58 \frac{16.6}{\sqrt{1003}} =14.152

And the 99% confidence interval would be given (11.448;14.152).

We are confident that about 11 to 14 are the number of books that the people had read on the last year on average, at 1% of significance.

3 0
3 years ago
Find the slope for each of the order pair. (-2,-1) and (8,-3)
kondaur [170]

Answer:

-0.2

Step-by-step explanation:

Slope (m) =ΔY/ΔX= 8-(-2)/-3-(-1)

= -1/5

= -0.2

4 0
2 years ago
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