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11111nata11111 [884]
3 years ago
7

professor must randomly select 4 students to participate in a mock debate. There are 18 students in his class. In how many diffe

rent ways can these students be selected, if the order of selection does not matter?
Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
    18 divided by 4 gives 4r2 so we could do 32 different ways

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Karen had 15 snicker bars. she gave 7 to her brother. what percent did she give away
Mekhanik [1.2K]

Step-by-step explanation:

The way to get this is that you put them in fraction form 7/15 and then you make it equal to to x/100 and then divide the known part of the fraction which in this case is 100/15 which gives 6.67 (rounded). After you get that you multiply it by 7 which give you 46.69%

6 0
3 years ago
What is the value of x to the nearest tenth?
konstantin123 [22]

Answer:

I'm not 100% sure on this but I think it would be C- 8.1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
1/3 (q + 3) = 5<br> What is Q? <br> Explain why<br> 1/3 is a fraction
Harrizon [31]

Answer:

q=12.

Step-by-step explanation:

1/3(q+3)=5 can be translated to (q+3)/3=5.

Multiply each side by 3 to get q+3=15.

Subtract 3 from each side to get q=12.

Can you explain what you mean by "Explain why 1/3 is a fraction?"

7 0
4 years ago
Read 2 more answers
1. Find the inverse of the one-to-one function f(x)= 6x-7 / 5
Elenna [48]
Rewrite it as y=6x-7/5

Flip the x and y
x=6y-7/5

Solve
5x=6y-7
5x+7=6y
5/6x+7/6=y

f^-1(x)=5/6x+7/6
4 0
3 years ago
1- mass of earth is 1/95 of the mass of Saturn. if mass of earth is 5.97 x 10^24 kg.find mass of Saturn. show your all work out.
amm1812

Answer:

5.6715 * 10^26 kg

Step-by-step explanation:

Given that :

Mass of earth = 1/95 the mass of saturn

If Mass of earth = 5.97 x 10^24 kg

Let the mass of saturn = x

5.97 x 10^24 kg = 1/95 * x

5.97 x 10^24 kg = x / 95

x = 95 * 5.97 x 10^24 kg

x = 567.15 * 10^24

x = 5.6715 * 10^26 kg

Mass of saturn = 5.6715 * 10^26 kg

7 0
3 years ago
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