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bogdanovich [222]
2 years ago
9

The area of the square is a function of its perimeter. Graph the function on a second sheet of grid paper. Explain whether the f

unction is linear and if the graph is increasing or decreasing.
How am I supposed to do this problem?
Mathematics
1 answer:
kolbaska11 [484]2 years ago
4 0
The answer is not a linear equation and the graph is decreasing. sorry i had made a mistake the first time 
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The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?
Gnoma [55]
A ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio 
depth is 3.8km
width is 7600km
ratio is 3.8:7600
5 0
3 years ago
Two lighthouses flash their lights every 20 and 30 seconds respectively. given that they flash together at 8 p.m., at what time
VikaD [51]
Do you remember when you were learning about
Least Common Multiple (LCM) ?  And you were
wondering what on Earth you would ever need it for ?

THIS IS IT !

The amount of time after 8 PM when the lights will flash
together again is the LCM of 20 seconds and 30 seconds.
Do you remember how to find it ?

... When 20 is prime-factored, you have  2 · 2 · 5 .

... When 30 is prime-factored, you have  2 · 3 · 5 .

... So the Least Common Multiple of 20 and 30 is  2 · 2 · 3 · 5  =  60 .

The lighthouses will flash together again in 60 seconds after 8 PM.
That'll be  8:01 PM.  
6 0
3 years ago
Solve using proportions.
denis23 [38]

Answer:

7.8 = k

Step-by-step explanation:

Since the figures are similar, we can use proportions

c           k

----- = -------

b            j

Substituting the values in

6.5         k

----- = -------

4          4.8

Using cross products

6.5 * 4.8 = 4k

31.2 = 4k

Divide each side by 4

31.2/4 = 4k/4

7.8 = k

3 0
2 years ago
Can time difference between two places be greater than 24 hours?
Paha777 [63]
They can be 25hours and 10 minutes apart. <span>This is possible because the </span>International dateline is not a straight line<span>.
</span>
4 0
3 years ago
Need help on this one
Artist 52 [7]

Answer:

12

Step-by-step explanation: it’s right

8 0
3 years ago
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