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Solnce55 [7]
3 years ago
7

Can you pleaseeeee solve (x-5)^2=3

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
7 0

Answer:

x = 5±sqrt(3)

Step-by-step explanation:

(x-5)^2=3

Take the square root of each side

sqrt((x-5)^2)=±sqrt(3)

x-5 = ±sqrt(3)

Add 5 to each side

x-5 +5= 5±sqrt(3)

x = 5±sqrt(3)

son4ous [18]3 years ago
5 0

Answer:

\huge\boxed{x=5-\sqrt3\ \vee\ x=5+\sqrt3}

Step-by-step explanation:

(x-5)^2=3\iff x-5=\pm\sqrt3\qquad\text{add 5 to both sides}\\\\x-5+5=-\sqrt3+5\ \vee\ x-5+5=\sqrt3+5\\\\x=5-\sqrt3\ \vee\ x=5+\sqrt3

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In ΔGHI, the measure of ∠I=90°, the measure of ∠G=34°, and HI = 7 feet. Find the length of GH to the nearest tenth of a foot.
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Answer:

GH ≈ 12.5 ft

Step-by-step explanation:

Using the sine ratio in the right triangle

sin34° = \frac{opposite}{hypotenuse} = \frac{HI}{GH} = \frac{7}{GH} ( multiply both sides by GH )

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Answer
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Dafna1 [17]

Answer:

I will set this up for you and you work the math.

 

f(n) = f(n - 1) + 3

 

n = 7

 

f(7) = f(7 - 1) + 3 = f(6) + 3

 

Do the same for f(6).

 

f(6) = f(5) + 3 ⇒

 

f(7) = f(5) + 3 + 3

 

Similarly,  

 

f(5) = f(4) + 3 ⇒

 

f(7) = f(4) + 3 + 3 +3

 

Do you see the pattern emerging here?  Keep going until you are down to

 

f(2) = f(1) + 3 = 6 + 3 = 9

 

Then carefully plug the intermediate answers into their proper place in

 

f(7) = f(6) + 3

Step-by-step explanation:

recursive equation

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