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4vir4ik [10]
3 years ago
6

Addison plays 6 songs in of an hr. How many songs can she play for 4 hours?

Mathematics
2 answers:
3241004551 [841]3 years ago
8 0

Answer:

6 songs per hour, so multiply that with the number asked which is four

so four times six is24

so she can play 24 songs in four hours!

~ ...

~ !

~ !

Viefleur [7K]3 years ago
7 0

Answer:

24

Step-by-step explanation:

4x6=12or 2x6=12so then 12+12=24

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4 0
3 years ago
In a sample of 42 water specimens taken from a construction site, 26 contained detectable levels of lead. Construct 90% confiden
hram777 [196]

Answer:

(0.4958, 0.7422)

Step-by-step explanation:

Let p be the true proportion of water specimens that contain detectable levels of lead. The point estimate for p is \hat{p}=26/42=0.6190. The estimated standard deviation is given by \sqrt{\hat{p}(1-\hat{p})/n}=\sqrt{(0.6190)(1-0.6190)/42}=0.0749. Because we have a large sample, the 90% confidence interval for p is given by 0.6190\pm z_{0.05}0.0749 where z_{0.05}=1.6448 is the value that satisfies that above this and under the standard normal density there is an area of 0.05. So, the confidence interval is 0.6190\pm (1.6448)(0.0749), i.e., (0.4958, 0.7422).

5 0
3 years ago
A small​ plane's maximum takeoff weight is 2000 pounds or less. six passengers weigh an average of 150 pounds each. use an inequ
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F(x) = -3x+17 and g(x) = x^2 -6 find g(5)-f(5)
aniked [119]

Answer:

For the given functions, the value of   g(5)-f(5)  = 17

Step-by-step explanation:

Here, the given functions are:

f(x) =  -3x + 17

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So, f(5)  = -3(5) + 17

= -15 + 17  = 2

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3 years ago
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3 years ago
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