Rationalise this please........it's verey imp to me....
1 answer:
Step-by-step explanation:
i) root3 + root5 × 2root5 / 2root5 × 2root5
= 2root15 + 10 / 20
ii) root3 - root7 × root3 - root7 / root3 + root7 × root3 - root7
= 3 - 2root21 + 7 / 3 - 7
= 10 - 2root21 / -4
= -10 - 2root21 / 4
iii) root2 + root7 × 2root2 + root3 / 2root2 - root3 × 2root2 + root3
= 4 + 2root14 + root6 + root21 / 8 - 3
= 4 + 2root14 + root6 + root21 / 5
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Remember
![x^ \frac{m}{n} = \sqrt[n]{x^m}](https://tex.z-dn.net/?f=x%5E%20%5Cfrac%7Bm%7D%7Bn%7D%20%3D%20%5Csqrt%5Bn%5D%7Bx%5Em%7D%20)
and
and
(x^m)^n=x^(mn)
so
![((7x^3)(y^2))^ \frac{2}{7} = \sqrt[7]{((7x^3)(y^2))^2}](https://tex.z-dn.net/?f=%20%28%287x%5E3%29%28y%5E2%29%29%5E%20%5Cfrac%7B2%7D%7B7%7D%20%3D%20%5Csqrt%5B7%5D%7B%28%287x%5E3%29%28y%5E2%29%29%5E2%7D%20)
=
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=
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Answer:
10 minutes?
Step-by-step explanation:
Sorry if it is incorrect but what I did was I found the average of 5 minutes and 15 minutes and got 10.
Here's my problem solving explanation:
(5 + 15) / 2 = 10
Answer: B. y=9
Explanation: divide both sides of the equation by three
y3/3 = y
27/3=9
y=9
hope this helps:)
Answer:
<h2>x + 2y = 8</h2>
Step-by-step explanation:
The standard form of an equation of a line:
We have:
Convert:
<em>multiply both sides by 2</em>
<em>add x to both sides</em>
It’s letter d
since m and n are parallel the measure of b will be equivalent to the angle 35 degrees
