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Rufina [12.5K]
3 years ago
12

Can somebody plz help me out:)))

Mathematics
2 answers:
Valentin [98]3 years ago
7 0

Answer:

Sin 30°

= 0.5 appromaxit

sashaice [31]3 years ago
5 0

Answer:28 possibly? I know that you connect it with the angles use across from the angle I hope I helped a little

Step-by-step explanation:

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LuckyWell [14K]

Answer:

D, because his ratw of change ia going up quicker then the othera. will you ease attempt to help me out on my most previous question? its for a test, and i have no idea what im doing.

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3 years ago
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A student is given data that follows a normal distribution. According to the data, the mean amount of time that students spent r
sergejj [24]

Answer:

a. Only 68% of the students will fall in the range of 10- 2 and 10 + 2 hours.

Step-by-step explanation:

He appies the empirical 68-95-99.7 rule, where 68% of the data is expected to be within ne standard deviation from the mean, to the right and to the left.

Half of this (68%/2=34%) will be between the mean and one deviation standard to the right. This is between 10 hours and 10+2=12 hours.

The right answer is:

a. Only 68% of the students will fall in the range of 10- 2 and 10 + 2 hours.

6 0
3 years ago
The number of boots that 12 students had in their homes in Florida were recorded below:
marin [14]
Minimum : 0
maximum: 12
first quartile: 1
median: 2
third quartile: 4
3 0
3 years ago
PLEASE HELP!
Leona [35]

Answer:

The initial temperature of the object was 37.6

Step-by-step explanation:

we have

f(t)=Ce^{(-kt)} +20

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

Find the value of the constant C

we have the ordered pair (4,35)

substitute in the equation and solve for C

35=Ce^{(-0.0399*4)} +20\\Ce^{(-0.0399*4)}=15\\C=15/e^{(-0.0399*4)}\\C=17.6

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

so

For t=0

f(0)=(17.6)e^{(-k*0)} +20\\f(0)=17.6 +20\\f(0)=37.6

therefore

The initial temperature of the object was 37.6 (I not include units)

7 0
3 years ago
PLEASE HELP! <br><br> Which of the following is a monomial?
ladessa [460]

Answer:

x

Step-by-step explanation:

3 0
3 years ago
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