3 years ago

Please help! Will mark Brainly!

Mathematics

1 answer:

Ulleksa [173]3 years ago

4 0

10 hot dogs and 5 hamburgers your graph would be 2y:1x

$\frac{2y}{1x}$

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Carl has 16 cd’s and 1/4 of them are classical music how many cd’s are classical? How many are not?

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Answer:

Step-by-step explanation:

since the fraction is 1/4 you can multiply 4 by 4 and get sixteen and 4x1=4

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Their win percentage was 40, then how many matches did they play in all!

Neko [114]

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2 years ago

3<br>Find the value of a <br>in the equation,(3+4√3)(2-a√3)=-18+2√3

ankoles [38]

Given:

The equation is:

$\left(3+4\sqrt{3}\right)\left(2-a\sqrt{3}\right)=-18+2\sqrt{3}$

To find:

The value of a.

Solution:

We have,

$\left(3+4\sqrt{3}\right)\left(2-a\sqrt{3}\right)=-18+2\sqrt{3}$

On simplification, we get

$(3)(2)+(4\sqrt{3})(2)+(3)(-a\sqrt{3})+(4\sqrt{3})(-a\sqrt{3})=-18+2\sqrt{3}$

$6+8\sqrt{3}-3a\sqrt{3}-4a(3)=-18+2\sqrt{3}$

$6+8\sqrt{3}-3a\sqrt{3}-12a=-18+2\sqrt{3}$

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On comparing both sides, we get

$6-12a=-18$

$-12a=-18-6$

$a=\dfrac{-24}{-12}$

$a=2$

And,

$8-3a=2$

$-3a=2-8$

$a=\dfrac{-6}{-3}$

$a=2$

Therefore, the value of a is 2.

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3 years ago