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ikadub [295]
2 years ago
10

Find x. Round your answer to the nearest tenth of a degree. plz help!

Mathematics
1 answer:
Nuetrik [128]2 years ago
7 0

Answer:

  36.9°

Step-by-step explanation:

The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

  cos(x) = 8/10 = 0.8

The inverse trig function is used to find the angle:

  x = arccos(0.8) ≈ 36.9°

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Rudik [331]
This problem is a combination of the Poisson distribution and binomial distribution.

First, we need to find the probability of a single student sending less than 6 messages in a day, i.e.
P(X<6)=P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)
=0.006738+0.033690+0.084224+0.140374+0.175467+0.175467
= 0.615961

For ALL 20 students to send less than 6 messages, the probability is
P=C(20,20)*0.615961^20*(1-0.615961)^0
=6.18101*10^(-5)   or approximately
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3 years ago
If i make $8.75 per hour, what will my hourly wage be for 14 hours?
Ludmilka [50]
Your wage would be $122.5, (8.75)(14)
6 0
3 years ago
Read 2 more answers
a rental car agency charges 190 per a week plus .25 per mile to rent a car. How many miles can you travel in one week for 370
alekssr [168]

Let m represent the number of miles traveled. If the whole budget amount of 370 is spent, then ...

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8 0
3 years ago
A cat gave birth to 3333 kittens who each had a different mass between 147147147147 and 159 g159\,\text{g}159g159, start text, g
harina [27]

Answer:

The correct option is (B).

Step-by-step explanation:

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The mean of a data set is:

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Now a fourth kitten is born, with weight 57 g.

Now the range of the weight of 4 kittens is, 57 g to 159 g.

The mean is going to decrease as one more value is added to the data and the value is the least.

The median will also decrease because now the median will be mean of the 2nd and 3rd values.

But the mean would decrease more than the median because a smaller value is added to the data.

Thus, the correct option is (B).

5 0
3 years ago
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kumpel [21]
C because u have 3/7 which is a fraction
7 0
3 years ago
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