2 years ago

Find the length, x, of the third side of the triangle.

Mathematics

2 answers:

Mkey [24]2 years ago

8 0

Is it 10.5625? i could be wrong

Genrish500 [490]2 years ago

3 0

Answer:

$x=6.5~ units$

Step-by-step explanation:

$x=\sqrt{13+29.25}$

$= \sqrt{42.25}$

$x=6.5$

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Pani-rosa [81]

<u>Answer:</u>

<u>Step-by-step explanation:</u>

Let's assume that the marks needed in the next exam is $x$ . Then if the average becomes 90,

$\frac{80 + 93 + 91 + x}{4}= 90$

Now we can simply solve for $x$ :

⇒ $\frac{264 + x}{4}= 90$

⇒ $264 + x = 360$ [Multiplying both sides by 4]

⇒ $x = 360 - 264$ [Subtracting 264 from both sides]

⇒ $x = \bf96$

Therefore, you need to score 96 in your next exam to have an average of 90 on the four exams.

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1 year ago

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JulijaS [17]

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2 years ago

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denpristay [2]

In probability?
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