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3 years ago

please answer the two question and how you answered it NO LINKS AND NO WEBSITES I really need help with this.

Mathematics

1 answer:

kobusy [5.1K]3 years ago

8 0

Answer:

x=10, y=-1

Step-by-step explanation:

x-y=11

2x+y=19

3x=30

x=10

10-y=11

-y=1

y=-1

USED ELIMINATION BC THERE WAS ALREADY A Y AND -Y

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3 years ago

Alex mixes 2/3 pounds of walnuts with 3/5 pound of dried fruit. To create more of the same mixture, how many pounds of walnuts d

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ANSWER

Alex needs to mix one pound of dried fruit with
$1 \frac{1}{9}$
pounds of walnuts.

EXPLANATION

It was given that, Alex mixes
$\frac{2}{3}$
pounds of walnuts with

$\frac{3}{5}$
pounds of dried fruit.

We can write the ratio,

$\frac{2}{3} : \frac{3}{5}$

Let
$x$
represent how many pounds of walnuts Alex needs to mix with one pound of dried fruit.

Then we can again write the ratio,

$x: 1$
We can therefore write the proportion,

$\frac{2}{3} : \frac{3}{5} = x: 1$

This can be rewritten as,

$\frac{ \frac{2}{3} }{ \frac{3}{5} } = \frac{x}{1}$

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4 years ago

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Answer:

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1 - sin^2x

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3 years ago

please answer the two question and how you answered it NO LINKS AND NO WEBSITES I really need help with this.​

please answer the two question and how you answered it NO LINKS AND NO WEBSITES I really need help with this.