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Natasha2012 [34]
2 years ago
14

78 students are separated into groups of 8 for a field trip how many groups are there there are many students from a smaller gro

up of how many students
Mathematics
1 answer:
mixas84 [53]2 years ago
5 0
Nine groups of 8 students and one group of 6 students. 9 x 8 = 72. 78 - 72 = 6.
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(2/3 to the third power) what else equals the answer giving 88 points for it
antoniya [11.8K]

Step-by-step explanation:

please type the question correctly, it's confusing. thanks

3 0
3 years ago
The life expectancy (in hours) of an electric bulb is normally distributed with a mean of 5000 and a standard deviation of 1000.
Sergeu [11.5K]

Answer:

P(z>1.3) = 0.9032

Step-by-step explanation:

We are given:

Mean = 5000

Standard deviation = 1000

x = 6300

P(x>6300)=?

z-score =?

z-score = x- mean/standard deviation

z-score = 6300 - 5000/1000

z- score = 1300/1000

z-score = 1.3

So, P(x>6300) = P(z>1.3)

Looking at the z-probability distribution table and finding value:

P(z>1.3) = 0.9032

So, P(z>1.3) = 0.9032

7 0
3 years ago
find all the solutions of sec theta - 2 =0. It says use "or" as necessary and gives an example of kpi.
swat32
Sec t (theta) - 2 = 0
sec t = 2
1/ cos t = 2
cos t =  1/2
Answer:
t = π / 3 + 2 k π ,  or :  t = 5 π / 3 + 2 kπ,
k ∈ Z
5 0
2 years ago
There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?​
Sophie [7]
<h2>Required Answer:</h2>

\Large{\boxed{\tt{600 \:  Students}}}

<h2 /><h2>Question:</h2>

  • There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?
<h2>To find:</h2>
  • No. of students
<h2>Given:</h2>
  • Total no. of classrooms = 20
  • students in each class= 30
<h2>Answer:</h2>
  • Total no. of students in school= Total no. of classrooms×students in each class
  • Total no. of students in school=20×30
  • Total no. of students in school=600

best of luck! ^_^

8 0
3 years ago
Read 2 more answers
PLZ HELP BRAIN FAM!!!
RideAnS [48]
It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45
5 0
3 years ago
Read 2 more answers
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