3 years ago

Answer this for me please 25 points if you can

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

6 0

Answer: Its the 1, 2 and 5 statement

Step-by-step explanation:

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Which of the following represents the additive inverse of 12

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what are the options?

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Nataly [62]

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A = √7 + √c and b = √63 + √d where c and d are positive integers.

mrs_skeptik [129]

Answer:

$\displaystyle a:b=\frac{1}{3}$

Step-by-step explanation:

Ratios

We are given the following relations:

$a=\sqrt{7}+\sqrt{c}\qquad \qquad[1]$

$b=\sqrt{63}+\sqrt{d}\qquad \qquad[2]$

$\displaystyle \frac{c}{d}=\frac{1}{9} \qquad \qquad [3]$

From [3]:

$9c=d$

Replacing into [2]:

$b=\sqrt{63}+\sqrt{9c}$

We can express 63=9*7:

$b=\sqrt{9*7}+\sqrt{9c}$

Taking the square root of 9:

$b=3\sqrt{7}+3\sqrt{c}$

Factoring:

$b=3(\sqrt{7}+\sqrt{c})$

Find the ration a:b:

$\displaystyle a:b=\frac{\sqrt{7}+\sqrt{c}}{3(\sqrt{7}+\sqrt{c})}$

Simplifying:

$\boxed{a:b=\frac{1}{3}}$

3 0

3 years ago

I need help please!!!

vazorg [7]

963i think its probaly wrong

6 0

2 years ago

Answer this for me please 25 points if you can​

Answer this for me please 25 points if you can