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4 years ago

I’m plz help fast thanks 16

Mathematics

1 answer:

nataly862011 [7]4 years ago

5 0

Answer:

1/2 <3/4

Step-by-step explanation:

1/2 vs 3/4

We need a common denominator of 4

1/2*2/2 vs 3/4

2/4 vs 3/4

Since the denominators are the same, we compare the numerators

2 <3 so

2/4 < 3/4

1/2 <3/4

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(6+√25)/(4-√3) can be written in the form of (2+s√3)/13 where r and s are both integers what are the values of r and s

cestrela7 [59]

Answer:

r = 33

s = 18

Step-by-step explanation:

Given expression is $\frac{6+\sqrt{27}}{4-\sqrt{3}}$ .

Multiply numerator and denominator with the conjugate of (4 - √3).

$\frac{(6+\sqrt{27})(4+\sqrt{3})}{(4-\sqrt{3})(4+\sqrt{3})}$

= $\frac{4(6+\sqrt{27})+\sqrt{3}(6+\sqrt{27})}{4^{2}-(\sqrt{3})^2}$

= $\frac{24+4\sqrt{27}+6\sqrt{3}+\sqrt{81})}{16-3}$

= $\frac{24+12\sqrt{3}+6\sqrt{3}+\sqrt{81})}{16-3}$

= $\frac{24+18\sqrt{3}+9}{13}$

= $\frac{33+18\sqrt{3}}{13}$

Now compare this expression with $\frac{r+s\sqrt{3} }{13}$

r = 33

s = 18

3 0

3 years ago

These ones always confuse me.

MissTica

You just puts them in the order on the line

5 0

3 years ago

For what values of x is f(x) = square root of x-4 equal to 4?

zaharov [31]

Answer:

x = 20

Step-by-step explanation:

given f(x) = $\sqrt{x-4}$ , we have to solve

$\sqrt{x-4}$ = 4

Square both sides

( $\sqrt{x-4}$ )² = 4²

x - 4 = 16 ( add 4 to both sides )

x = 20

As a check

$\sqrt{20-4}$ = $\sqrt{16}$ = 4 ← correct

3 0

4 years ago

Is (-7,2 a solution

valentinak56 [21]

Answer:

(-7,2) is a solution but where is the question?

Step-by-step explanation:

5 0

3 years ago

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What is the answer to 6 times x squared minus the sum of 7 and 28

VashaNatasha [74]

6(x^) - 35 = 7x - 35... I think is squared and to the second power the same things?.......

4 0

4 years ago