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insens350 [35]
3 years ago
9

Write the natural numbers from 1 to 30. What fraction of them are prime numbers?​

Mathematics
2 answers:
kobusy [5.1K]3 years ago
7 0

Prime Numbers can only divide by themselves and 1.

Prime Numbers From 1 to 30: 2,3,5,7,11,13,17,19,23,29.... ( 10 )

kicyunya [14]3 years ago
3 0

Answer:

The natural numbers from 1 to 30:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30.

The prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

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meriva
Add up all the numbers the divide by the amount of numbers in the set.
1199/11 = 109
B. 109 answer
8 0
2 years ago
How do you put 27% ,miles per hour , 42% and 45 in a sentence
Serjik [45]
  There are a number of possible combinations for this open-ended question, so here's an example question and answer, in which the two are non-related:
 James' car is going at 45 miles per hour, and that is 42% of his maximum speed. How much slower does James have to go to be 27% of his maximum speed?
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7 0
3 years ago
8-2|4-5y|=4<br><br> | | stands for absolute value
Contact [7]

Answer:

y = (2/5) OR y = (6/5)

Step-by-step explanation:

The first step is isolating the expression within the absolute value bars. The first thing we can do is subtract both sides by 8. If we do that, we get -2|4-5y| = -4. Now, to completely isolate the absolute value, we would have to divide by -2. This yields |4 - 5y| = 2. Finally, we can remove the absolute value bars. However, to do this, we need to first understand what an absolute value bar does to an equation. Lets say that |x| = 2. Absolute value describes the DISTANCE of some quantity from 0 (on the number line). Therefore, x (which is inside the absolute value bars) can be either positive or negative 2 (they are BOTH two units away from 0). Similarly, in this case, (4 - 5y) can either be 2 or -2 (because the absolute value of both is 2). Now we have two possible solutions to solve for:

4 - 5y = 2 OR 4 - 5y = -2

5y = 2 OR 5y = 6

y = (2/5) OR y = (6/5)

If we plug both of these answers back into the equation we can see that they both check out.

4 0
2 years ago
I need help on these please ​
sleet_krkn [62]

Answer:

its the third answer, fifth, and first. Im not sure tho.

Step-by-step explanation:

if it isnt right im so sorry T^T

5 0
3 years ago
PLZ HELP ME ILL MARK BRAINLEIST!!!!!!!!!!!!
FrozenT [24]

Answer:

B. ∠1 and ∠8 are parallel

Step-by-step explanation:

identification from the image.

8 0
3 years ago
Read 2 more answers
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