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Anvisha [2.4K]
3 years ago
5

Se van a colocar mosaicos de 15m×0.30 m en un espacio que mide 3.2 m2. ¿Cuántos mosaicos completos se colocarán?

Mathematics
2 answers:
Nonamiya [84]3 years ago
7 0

Answer: hola soy nuevo

Step-by-step explanation:

kati45 [8]3 years ago
5 0

Answer:

tu aimes les hommes

Step-by-step explanation:

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Rationalize the numerator
julsineya [31]

Answer:

It is about 1.2

Hope it helps

4 0
3 years ago
The pic is the question so plss help mee
Allisa [31]

Answer:

3)

Step-by-step explanation:

4 0
3 years ago
If <mac=86 of a pizza and I ate it, how many degrees of pizza did I give to you​
Dmitry_Shevchenko [17]

180- 86 = 94

degrees of pizza did I give to you = 94

3 0
2 years ago
Plz help me plz help me​
sladkih [1.3K]

Answer:

In one hour Stephanie earns $1.50 more than Marco

Step-by-step explanation:

w=9h

H is a variable

9×hour= wage

9×15= $135

9×18= $162

157.50-135=$22.50

189-162=$27

27-22.50=4.50

Now cause its per hour we know she earns $4.50 more in 3 hours.

4.50÷3=$1.50

8 0
2 years ago
A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds. Find the te
vredina [299]

Answer:

b. 2.333

Step-by-step explanation:

Test if the mean transaction time exceeds 60 seconds.

At the null hypothesis, we test if the mean transaction time is of 60 seconds, that is:

H_0: \mu = 60

At the alternate hypothesis, we test if it exceeds, that is:

H_1: \mu > 60

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.

60 is tested at the null hypothesis:

This means that \mu = 60

A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds.

This means that n = 16, X = 67, s = 12

Value of the test statistic:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{67 - 60}{\frac{12}{\sqrt{16}}}

t = \frac{7}{3}

t = 2.333

Thus, the correct answer is given by option b.

5 0
2 years ago
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