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iris [78.8K]
3 years ago
12

Answer both questions

Mathematics
1 answer:
julsineya [31]3 years ago
4 0

Answer:

First Question - 74.25

Second Question - 23.92

Hope this helps you out

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the teacher of a senior class needs to choose 4 members of the class to represent the school. if there are 10 seniors in the cla
3241004551 [841]
There are 10 seniors in the class, from which 4 should be chosen by the teacher. The order of the chosen students does not matter. This means that we speak of combinations. THe equation for calculating the number of possible combinations is:
C=N!/R!(N-R), where N is the total number of objects and R is the number of objects we select from the N 
In our case, N=10, R=4.
C= 10!/4!*6!=10*9*8*7*6!/6!*4*3*2*1=<span>10*9*8*7/24=5040/24=210
There are 210 different ways for the teacher to choose 4 seniors in no particular order.</span>
6 0
4 years ago
Please answer!<br> (1) what mistake was made?<br> (2) what suggestion could help avoid that?
AveGali [126]

Answer:

1) the signs of the numbers is not in standard form

2) always make sure that the signs of the two equations is standarised and then solve

please follow me

3 0
3 years ago
At a sale this week, a sofa is being sold for $555. This is a 26% discount from the original price. What is the original price?
vlabodo [156]
Divide 555/.26 & you’ll get your original price
6 0
3 years ago
What are the solution and the answer?
dedylja [7]

Answer:

I think its 40 if i did it right Ill show you how i did it

Step-by-step explanation:

First I added 12+12 and the is 24.

The I added 8+8 and that was 16.

Lastly I added 16+24= 40

7 0
3 years ago
Read 2 more answers
In order for a field trip to be scheduled, at least 30 students
Stella [2.4K]

Answer:

7 more students need to sign up.

Step-by-step explanation:

if you subtract the number of students needed by the number of students you have, you get 7 (30-23)

5 0
3 years ago
Read 2 more answers
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