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lyudmila [28]
3 years ago
14

What are the solution(s) of the quadratic equation 98 – x2 = 0? x = x = x = no real solution

Mathematics
2 answers:
Harman [31]3 years ago
8 0

Answer:

Given the equation:

98-x^2 = 0

Subtract 98 from both sides we have;

-x^2 = -98

Multiply both sides by -1 we get;

x^2 = 98

Taking square root both sides we have;

x = \pm \sqrt{98}= \pm \sqrt{49 \cdot 2}

Simplify:

x = \pm 7\sqrt{2}

Therefore, the solutions of the quadratic equation are:

x = 7\sqrt{2} and x =-7\sqrt{2}

Svet_ta [14]3 years ago
7 0
I hope this helps you

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If a train traveled at 50 meters within 120 seconds, what is its speed?
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Answer:

v = 0.416 m/s

Step-by-step explanation:

Give that,

Distance covered by a train, d = 50 m

Time taken, t = 120 s

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v=\dfrac{d}{t}\\\\v=\dfrac{50\ m}{120\ s}\\\\v=0.416\ m/s

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What is 15% of 40?<br> A. 2<br> B. 4<br> C. 5<br> D. 6
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Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
Solve for x.<br> −8x+14≥60 OR −4x+50&lt;58
Reika [66]

Answer: The solution is,

x\leq -\frac{23}{4} or x>-2

Step-by-step explanation:

Given compound inequality,

-8x + 14 ≥ 60 or -4x + 50 < 58,

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By the division property of inequality,

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Using property a > b ⇒ - a < -b,

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