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Feliz [49]
3 years ago
5

Round to the nearest while number; 66.4

Mathematics
1 answer:
alexira [117]3 years ago
4 0
66 because .4 and lower rounds down and .5 and higher rounds up.
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Can someone please help with these two problems thx
Helen [10]
Get ready, wake your psyche up, MOB!
Get ready, dig your anger up, MOB!
Get ready, wake your psyche up, MOB!
Get ready!

Coming down, could you fill your satisfaction?
You're a MOB. Can't you feel your own frustration?
Coming down, could you fill your satisfaction?
You're a MOB. What do you want to be?

今、氾濫していく感情を身にまとってbreak it down
限界超え、見える景色は?
99.9! 99.9!
正体不明のpercentage

Cryin' my life, cryin' my psyche
Cryin' my heart in such commonplaces!
Is that your ideal? Is that your mind?
100になるとき始まる
The MOB is alive. The MOB is high
The MOB is staying frustrated, aren't you?
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YOUR LIFE IS YOUR OWN

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8 0
3 years ago
Read 2 more answers
What are simulations?​
lord [1]

Answer:

Step-by-step explanation:

"A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling. Mathematical models are used in the natural sciences (such as physics, biology, earth science, chemistry) and engineering disciplines (such as computer science, electrical engineering), as well as in the social sciences (such as economics, psychology, sociology, political science).

A model may help to explain a system and to study the effects of different components, and to make predictions about behavior."

6 0
3 years ago
Can someone explain to me why are we adding 2kpi when we are doing zeros for sin and cos, but adding kpi when doing zeros for tg
makvit [3.9K]

on the first exercise, you got a solution angle of π/18, that's a good solution for the I Quadrant only, however, on a circle, we have angles that go from 0 to 2π, however we can always keep on going around and continute to 2π + π/2 or 3π or 4π, or 115π/3 or 1,000,000π/18 and so on, and we're really just going around the circle many times over, getting a larger and larger angle, same circular motion.

π/18 on that exercise works for the I Quadrant, however if we continue and go around say 2π, we'll find that 2π/3 + π/18 is a coterminal angle with π/18, and thus that angle has also the same sine value.

π/18 + 2kπ/3 , where k = integer, is a way to say, all angles around the circle that look like this have the same sine, namely

π/18 + 2(1)π/3

π/18 + 2(2)π/3

π/18 + 2(3)π/3

π/18 + 2(5)π/3

π/18 + 2(99999999)π/3

.....

so using the "k" as some sequence multiplier, is a generic notational way to say, "all these angles".

you'll also find that "n" is used as well for the same notation, say for example

2π/3  + 2πn.

8 0
3 years ago
A car averages 32 mpg. Gas costs $1. 97 per gallon. How much would it cost to pay for the gas if this car made a trip of 866 mil
eimsori [14]

The cost to pay for the gas if this car made a trip of 866 miles cost is $53.31.

A car averages 32 mpg and gas costs $1.97 per gallon.

By unitary method for 866 miles, average would be,

= 866/32

= 27.0625 miles per gallon

and the cost to pay for the gas if this car made a trip of 866 miles would be,

= 27.0625 × $1.97

= $53.31

Therefore, the cost to pay for the gas if this car made a trip of 866 miles cost is $53.31.

Learn more about the unitary method here:

brainly.com/question/22056199

#SPJ4

5 0
1 year ago
A business school professor uses multiple choice tests. Each question on his exams has five possible answers which are assumed t
avanturin [10]

Answer:

a. The null hypothesis for this test is that the observed distribution is the same as uniform distribution

b. The degrees of freedom do you have for this test is 4

c.  The calculated value of the test statistic is 9.250

Step-by-step explanation:

a. According to the given data we can conclude that the null hypothesis for this test is that the observed distribution is the same as uniform distribution.

b. In order to calculate the degrees of freedom do you have for this test we would have to make the following calculation:

degrees of freedom=k-1

degrees of freedom=5-1

degrees of freedom=4

c. In order to calculate the value of the test statistic first we have to calculate the frecuency expected as follows:

expected frecuency=total observed frecuency/total number of category

expected frecuency=1,000/5

expected frecuency=200

Hence, to calculate the value of the test statistic we have to calculate the following formula:

x∧2=∑(fo-fe)∧2/fe

=(185-200)∧2/200+(230-200)∧2/200+(215-200)∧2/200+(180-200)∧2+(190-200)∧2

=9.250

The calculated value of the test statistic is 9.250

7 0
4 years ago
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