What is the domain of this relation?

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

8 0

(-3,3,5,9) is the domain. just don’t let it repeat itself.

anastassius [24]3 years ago

3 0

Answer:

Step-by-step explanation:

Your domain can be any number as long as it doesnt repeat itself.

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15 + 5m = 415<br><br> Can you help me find m?

Ann [662]

All you have to do is isolate m. We have to move all terms except m to the other side.

15 + 5m = 415

We have to cancel out the numbers. 15 is being added so we subtract it from both sides.

15 - 15 + 5m = 415 - 15

5m = 400

5 is being multiplied so we divide it on both sides.

5m/5 = 400/5
m = 80

We can plug in to prove.

15 + 5(80) = 415

15 + 400 = 415

415 = 415

6 0

3 years ago

Translate this sentence into an inequality:

marysya [2.9K]

Answer:

2x -5=-30

2x= 5 -30

2x= 25

x= 25/2

x= 12.5

4 0

3 years ago

A box contains 6 red marbles, 4 green marbles, 3 blue marbles, and 2 yellow marbles. If Greg chooses one marble at random 300 ti

dusya [7]

Answer:

$60$ times

Step-by-step explanation:

There are $6+4+3+2=15$ marbles in total. Out of those, $3$ are blue, so the probability of pulling a blue marble is $\frac{3}{15}=\frac{1}{5}$ . However, this is only the probability of pulling a blue marble when $1$ marble is pulled at random. Therefore, we can expect a blue marble to be pulled $\frac{1}{5}*300=60$ times if $1$ marble is pulled $300$ times at random. Hope this helps!