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Archy [21]
2 years ago
13

Which measure does not change when a wave moves from one medium to another?(1 point)

Mathematics
1 answer:
Elden [556K]2 years ago
5 0

Answer:

The frequency and phase.

Step-by-step explanation:

The medium has no effect on the frequence or the phase.

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Hello! First we should note that the shape of the figure can be broken down into two rectangular prisms, so that the expression will look like:

Volume = (w • h • l) vertical rectangular prism + (w •h • l) horizontal rectangular prism

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6 0
3 years ago
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A table has 4 equal edges, one side is 4 cm what is the perimeter
nasty-shy [4]

Answer:

well if each edge is equal in that mean each side equal in length so each side  is 4cm  

Step-by-step explanation:

so

perimeter= all sides added together

4+4+4+4

=16cm  

hope this helped

6 0
3 years ago
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Express the function graphed on the axes below as a piecewise function.
N76 [4]

Answer:

f(x) =

if x ≤ -3, -2 + 1

if x > 1, 2x - 8

4 0
3 years ago
1. In order to get more female customers, a new clothing store offers free gourmet coffee and pastry to its customers. The avera
ioda

Answer:

No, the manager is not correct based on the 95% confidence interval.

Step-by-step explanation:

We are given that the average daily revenue over the past five-week period has been $1,080 with a standard deviation of $260, i.e.; X bar = $1080 and s = $260 and sample size, n = 35 .

The Pivotal quantity for 95% confidence interval is given by;

                \frac{Xbar - \mu}{\frac{s}{\sqrt{n} } } ~ t_n_-_1

where, X bar = sample mean = $1080

                s  = sample standard deviation = $260

                 n = sample size = 35 {five-week}

So, 95% confidence interval for average daily revenue, \mu is given by;

P(-2.032 < t_3_4 < 2.032) = 0.95

P(-2.032 < \frac{Xbar - \mu}{\frac{s}{\sqrt{n} } } < 2.032) = 0.95

P(-2.032 * {\frac{s}{\sqrt{n} } < {Xbar - \mu} < 2.032 * {\frac{s}{\sqrt{n} } ) = 0.95

P(X bar - 2.032 * {\frac{s}{\sqrt{n} } < \mu < X bar + 2.032 * {\frac{s}{\sqrt{n} } ) = 0.95

95% confidence interval for \mu = [ X bar - 2.032 * {\frac{s}{\sqrt{n} } , X bar + 2.032 * {\frac{s}{\sqrt{n} } ]

                                            = [ 1080 - 2.032 * {\frac{260}{\sqrt{35} } , 1080 + 2.032 * {\frac{260}{\sqrt{35} } ]

                                             = [ 990.70 , 1169.30 ]

<em>No, the manager is not correct based on the fact that the coffee and pastry strategy would lead to an average daily revenue of $1,200 because the calculate 95% confidence interval does not include value of $1200.</em>

Therefore, the store manager believe is not correct.

8 0
3 years ago
Identify the trinomial that is not a perfect square.
ANEK [815]
The answer is <span>36x^2 − 20x + 9

</span>
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