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Ilya [14]
3 years ago
11

25 points

Mathematics
2 answers:
meriva3 years ago
6 0
I’m assuming this is multiple choice? So it’s be 4 protons
Andrej [43]3 years ago
3 0

Answer:

4 protons

Step-by-step explanation:

because protons are positive and the ion has a negative charge

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If x+y=8 and xy=24,<br> Fnd the value of x and y
Brilliant_brown [7]

Answer:

No solution

Step-by-step explanation:

I hope it helps

7 0
3 years ago
Read 2 more answers
Can you help me with this problem: Elena and Jada both read at a constant rate, but Elena reads more slowly. For every 4 pages t
Paraphin [41]

4 pages Elena = 5 pages Jada

To figure out how many pages Jada reads if Elena reads 1, divide 5 by 4: 1.25. This means that for every 1 page Elena reads, Jada reads 1.25 pages.

So if Elena reads 9 pages, multiply 1.25 by 9: 11.25 pages that Jada reads.

For S pages read by Elena, this is a variable, so I’m assuming it means for every S pages, Jada reads 1.25S

7 0
3 years ago
How many 7-digit numbers are there where all the digits are different and in increasing order? for example, the numbers 1345689
frutty [35]
For this problem,we use the Fundamental Counting Principle. You know that there are 7 digits in a number. In this principle, you have to multiply the possible numbers for every digit. If the first number cannot be zero, then there are 9 possible numbers. So, the value for the first digit is 9. The second digit could be any number but less of 1 because it was used in the 1st digit. So, that would be 10 - 1 = 9. The third digit must be the value in the second digit less than 1. That would be 9 - 1 = 8. And so on and so forth. The solution would be:

9×9×8×7×6×5×4 = 544,320 7-digit numbers
4 0
3 years ago
Would you rather save 25% off or save one third?
Trava [24]

Answer:

One-third

Step-by-step explanation:

One-third (which is about 33.3%) is greater than 25%

7 0
3 years ago
Read 2 more answers
Think of your favorite spot to get food from. You are going there to get your first meal after quarantine and the meal cost $35.
sveta [45]

Answer:

You will be paying $41.30 in total.

Step-by-step explanation:

The cost of the meal is $35 and you want to leave 18% tip on the meal.

We want to find the total amount that will be paid.

First, we have to find 18% of $35 and then, add it to the original bill ($35).

18% of 35 is:

18/100 * 35 = $6.30

The tip is $6.30, therefore, the total amount paid will be:

$35 + $6.30 = $41.30

You will be paying $41.30 in total.

6 0
3 years ago
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