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otez555 [7]
3 years ago
14

There are 20 students in the classroom. 5 of these students are selected to go to an assembly. how many such selections are poss

ible?
Mathematics
1 answer:
Ksju [112]3 years ago
4 0
Order of the people does not affect the total number of ways. Thus, we use combinations.

Total combinations: 20C5 = 15,504 ways.
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12.
Genrish500 [490]

Answer:

I'm pretty sure the answer is D

4 0
3 years ago
How much water would a 8 ft by 25 ft rectangle hold
ziro4ka [17]

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8 0
3 years ago
E is 3 more than d.<br> f is 5 less than d.<br> Write an expression for e in terms of d
Nataly_w [17]

Answer:

Part A:

We are given that E is 3 more than D. This means that to get the value of E, we will simply add 3 to the value of D

Therefore:

E = D + 3

Part B:

We are given that F is 5 less than D. This means that to get the value of F, we will simply subtract 5 from the value of D

Therefore:

F = D - 5

Part C:

To get the value of E-F, we will simply subtract the equation we obtained from part B from the equation we obtained from part A

Therefore:

E - F = (D+3) - (D-5)

E - F = D + 3 - D + 5

E - F = 8

Hope this helps :)

Step-by-step explanation:

4 0
2 years ago
Two angles are complementary. one angle is 63.5 degrees. what is the other angle?
marusya05 [52]

Other angle = 90° - 63.5° = 26.5°

8 0
3 years ago
Read 2 more answers
Find x<br>1. x + 10 &lt; -7<br>2. -3x - 4 &gt; 5<br>Help me please
oksian1 [2.3K]

1)

x+10<-7

bring 10 to the other side

x<-10-7

x<-17

2)

-3x-4>5

bring -4 to the other side

-3x>9

divide -3 at the other side, since it is negative it changes to less than

x<-3

8 0
2 years ago
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