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PilotLPTM [1.2K]
3 years ago
15

Is square root of 7 a rational number?? Why or why not.

Mathematics
1 answer:
miss Akunina [59]3 years ago
3 0
2.64575131106.. or you can round it but it is irrational because rational numbers either stop or repeat irrational don't
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Andreas wants to estimate how many fish there are in a lake. One day he catches 20 fish,marks them,and returns them to the lake.
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Answer:

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Step-by-step explanation:

The ratio of marked fish to caught fish is 4:10, we need to solve for x in 20:x, since 4 * 5 = 20, 10 * 5 = x so x = 50 fish.

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Angle F and angle G are complementary . The measure of angle F is three times the measure of angle G. What is the measure of eac
weqwewe [10]

Answer:

g = 22.5°

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Step-by-step explanation:

Let’s create a system of equations for f and g.

Complementary angles are two angles that add up to 90°, so f+g=90

Also, f is thrice of g: f=3g

We can now substitute 3g in f+g=90 for f.

3g + g = 90\\\\4g = 90\\\\g=22.5

Now, we can find f by substituting g into either equation.

f + 22.5 = 90\\\\f = 90-22.5\\\\f = 67.5

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3 years ago
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