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KIM [24]
3 years ago
12

Three fish are swimming at three different elevations: -1 foot, -5 feet, and - 8 feet. Which fish is closest to the surface of t

he water? How do you know?
Mathematics
1 answer:
Furkat [3]3 years ago
8 0

Answer:

Fish with -1 foot

Step-by-step explanation:

- = under

+= above

If you set your water level to 0 then:

-1 +0 = -1 so the fish is 1 foot under the water level

-5 +0 = -5 do the fish is 5 foot under the water

And the last fish either jumped super high or it was hanging on a fishing line becouse it was 8 feet above the water level

So the fish that was the closes to the water level was the fish with -1

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Find the constant of proportionality for the table of values.
Anna [14]

The constant of proportionality k is 3.5

Step-by-step explanation:

Proportionality describes any relationship that is always in the same

ratio

If two quantities x and y are in proportionality, then

1. y ∝ x

2. y = k x , where k is the constant of proportionality

∵ x ⇒    6    ,    7      ,    8    ,    9

∵ y ⇒    21   ,   24.5 ,    28  ,    31.5  

∵ y ∝ x

∴ y = k x

- Use x = 6 and y = 21 to find the value of k

∵ x = 6 and y = 21

∴ 21 = k (6)

- Divide both sides by 6

∴ k = 3.5

- Use x = 7 and y = 24.5 to find the value of k

∵ x = 7 and y = 24.5

∴ 24.5 = k (7)

- Divide both sides by 7

∴ k = 3.5

- Use x = 8 and y = 28 to find the value of k

∵ x = 8 and y = 28

∴ 28 = k (8)

- Divide both sides by 8

∴ k = 3.5

- Use x = 9 and y = 31.5 to find the value of k

∵ x = 9 and y = 31.5

∴ 31.5 = k (9)

- Divide both sides by 9

∴ k = 3.5

The constant of proportionality k is 3.5

Learn more:

You can learn more about proportionality in brainly.com/question/10708697

#LearnwithBrainly

4 0
4 years ago
Find the difference. Your answer must be in standard form.
allochka39001 [22]

Answer:

the answer is   -x5 + 7x3 + 11x2 + 10x - 4

Step-by-step explanation:

7 0
3 years ago
What is the answer for <br> 7(-9)
Cerrena [4.2K]

Answer:

-63

Step-by-step explanation:

7×9= 63

7 × -9 = -63

Hope this helps!

5 0
3 years ago
Perform he operations in the correct order :<br> 10 + 8 ÷ 1 -5
melisa1 [442]
The answer is 13 !!!
3 0
4 years ago
Read 2 more answers
Find c such that (−3,−8), (−7,−6), and (c,4) lie on a line.
bearhunter [10]
If the 3 points are collinear, then the slopes of all line segments connecting the points are the same.

Thus,

-6 - (-8) 2
m = ------------- = -------- = -1/2
-7 - (-3) -4

Then the following must be true:

4-(-6) 10
-1/2 = ------------ = ---------
c - (-7) c + 7

Cross multiplying, -(c+7) = 20, and c+7 = -20, so that c = -27
7 0
3 years ago
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