To the nearest millimeter, a cell phone is 135 mm long and 51 mm wide. What is the ratio of the width to the length?
1 answer:
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Answer:
Presumably you're solving for x here? Without further information we'll assume that.
With that in mind, x is approximately equal to 0.86 and -0.46
Step-by-step explanation:
Let's start by putting it in the usual ax² + bx + c format.
let's solve it. First we'll multiply both sides by five, making the first term a perfect square:
Now we'll add 11 to both sides:
Which makes the left side a perfect square:
And now we can solve for x:
Note that there's no apparent way of drawing the ± symbol when editing equations, so take that + sign as actually being ±.
That gives us two answers:
<h3>Solution:</h3>
</h3><h3>Answer:</h3>
- Given, side (a) = x+3
- We know, surface area of a cube = 6a^2
- Therefore, the surface area of the cube
The answer is
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