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Fofino [41]
3 years ago
9

Need a quick answer please

Mathematics
1 answer:
tino4ka555 [31]3 years ago
5 0

Answer:

X=22

Step-by-step explanation:

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X^4-28x^2=0 solve algebraically
Paha777 [63]
x^4 - 28x^2  = 0

x^2(x^2 - 28) = 0

x^2 = 0 \ \ or \ \ (x^2 - 28) = 0

x = 0 \ \ or \ \ x^2 = 28

x = 0 \ \ or \ \ x = \pm \sqrt{28}

x = 0 \ \ or \ \ x = \pm2 \sqrt{7}

---------------------------------------------------
Answer : x = 0 or 2√7 or -2√7
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8 0
3 years ago
Solve the equation.
Brrunno [24]
X^2 = 150
√x^2 = √150
x = 5√6 (or) ≈12.25

HOPE THIS HELPS!!!!
3 0
3 years ago
Read 2 more answers
everyday Penelope jogs three laps around the playground to keep in shape the playground is rectangular with the width of 163 m a
Veronika [31]

Answer:

The total amount of meters in one lap is 966

Step-by-step explanation:

we know that

The total amount of meters in one lap is the same that the perimeter of the rectangular playground

so

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P=2(L+W)

we have

L=320\ m\\W=163\ m

substitute

P=2(320+163)

P=966\ m

3 0
3 years ago
Find the inequality represented by the graph ​
Naya [18.7K]
The answer is 2 and over it is 3
3 0
3 years ago
please help me i have a huge science test that i have to study for after this so PLEASE HELP ME GET THE ANSWER
enot [183]
Usually, quadratic equations equal 0, and to find the solution you need to make x equal the value that, when added or subtracted to the rest of its bracket, makes 0. This means that your answer is (x + 5)(x - 2) = 0, because 5 - 5 = 0 and 2 - 2 = 0. I hope this helps! Let me know if you would like me to explain further :)
4 0
3 years ago
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