1/10 + 20/100= 2/3+ 1/4 = ANSWERS ASAP!! RIGHT ANSWERS GET AUTOMATIC BRAINLYEST

Mathematics

2 answers:

Bess [88]3 years ago

7 0

Answer:

$\frac{1}{10} + \frac{20}{100} = \frac{10}{100} + \frac{20}{100} = \frac{30}{100}$

$\frac{2}{3} + \frac{1}{4} = \frac{8}{12} + \frac{3}{12} = \frac{11}{12}$

Lyrx [107]3 years ago

6 0

3/10 and 11/12 jejejakanwjwiaowkwjjwjwja

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Gekata [30.6K]

Answer:

Converting the equation $x^2-20x+13=0$ into completing the square method we get: $\mathbf{(x-10)^2=87}$

Step-by-step explanation:

we are given quadratic equation: $x^2-20x+13=0$

And we need to convert it into completing the square method.

Completing the square method is of form: $a^2-2ab+b^2=(a-b)^2$

Looking at the given equation $x^2-20x+13=0$

We have a = x

then we have middle term 20x that can be written in form of 2ab So, we have a=x and b=? Multiplying 10 with 2 we get 20 so, we can say that b = 20

So, 20x in form of 2ab can be written as: 2(x)(10)

So, we need to add and subtract (10)^2 on both sides

$x^2-20x+13=0\\x^2-2(x)(10)+(10)^2-(10)^2+13=0\\(x^2-2(x)(10)+(10)^2) \:can\: be\: written\: as\: (x-10)^2 \\(x-10)^2-100+13=0\\(x-10)^2-87=0\\(x-10)^2=87$