It will have 15 protons because the atomic number will always equal the number of protons and vice versa
The probability of selecting a yellow marble is #of yellow marbles/total # of marbles= 6/30 or .2 or 20%
If there are 300 marbles in the bag, a good estimate for the total number of red marbles in the bag is 90.
9/30=.3 = the percentage of red marbles
.3(300) = 90
Sqrt of 144 = 12 so in other words your answer is 12
2 x - 5y = 13
2 × -1 - 5 × -3 = 13
Answer:
(-1, -3)
Answer:
proportional relationship
Step-by-step explanation:
proportional relationships are straight lines that go thru the origin
This is a straight line going thru (0,0) so it is a proportional relationship
