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MArishka [77]
2 years ago
5

If Osa is in a submarine that is 275 feet below sea level and Jill is hiking a mountain and is at 250 feet above sea level, whic

h person is closest to sea level? Explain how you used math to determine your answer.
Mathematics
1 answer:
nexus9112 [7]2 years ago
4 0

Answer:

Jill

Step-by-step explanation:

Since 250 is closer to 0 (which is the sea level) on the number line compared to 275, Jill is closer to sea level.

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The sum of two numbers is 9 . one number is nine less than twice the other. find the two numbers.
dimulka [17.4K]
Hello!

To solve this problem, we will use a system of equations. We will have one number be x and the other y. We will use substitutions to solve for each variable.

x+y=9
x=2y-9

To solve for the two numbers, we need to solve the top equation. The second equation shows that x=2y-9. In the first equation, we can replace 2y-9 for x and solve.

2y-9+y=9
3y-9=9
3y=18
y=6

We now know the value of y. Now we need to find x. We can plug in 6 for y in the second equation to find x.

x=2·6-9
x=12-9
x=3

Just to check, we will plug these two numbers into the first equation.


3+6=9
9=9

Our two numbers are three and six.

I hope this helps!
7 0
3 years ago
Americans who are 65 years of age or older make up 12.2% of the total population. if there are 30.2 million Americans in this ag
tensa zangetsu [6.8K]

Divide the population of 65 or older by the percentage:

30.2 million / 0.122 = 247.54 million total population. (Round answer as needed)

8 0
3 years ago
Helpp I have pictures
Lera25 [3.4K]

Answer:

2³ · 11

Step-by-step explanation:

                                                             88

                                                  2                     44

                                                                  2            22

                                                                               2       11

Prime factorization: 2³ · 11

8 0
3 years ago
Read 2 more answers
Mike travels 13 miles per 2 hours on his bike.
LiRa [457]

Answer:

It took Markus half an hour to drive home from work.  He averaged 34 miles per hour.  How far does Markus live from his work?

Solution

We are given that it takes 1/2 an hour for the trip.  This is a time:

       t  =  1/2

We are given that he averages 34 miles per hour.  This is a rate:

       r  =  34

We are asked how few he has traveled.  This is a distance.  We use the d=rt equation:

       d  =  rt

           =  (34)(1/2)

           =  17

Markus lives 17 miles from work.

Now try one by yourself.  If you want to see the answer, put your mouse on the yellow rectangle and the answer will appear.

Exercise 1

The current along the beach is moving towards the south at 1.5 miles per hour.  If a piece of debris is placed into the water, how far will the current take it in 6 hours?

Step-by-step explanation:

4 0
3 years ago
a rational number m is called a perfect square if and only if for some positive rational number, m equals​
dmitriy555 [2]
If m= a number that can be square rooted to give a whole number
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2 years ago
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