3 years ago

This is something to get you'll day up and make it lucky, Post it on Pinterest, or Face book, etc.

Mathematics

2 answers:

tiny-mole [99]3 years ago

6 0

This is cool! have a good day!

Gnom [1K]3 years ago

5 0

Very nice question! Have a good day!

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Sedbober [7]

Answer:

$x=\frac{275}{62}$ , $y=\frac{127}{31}$

Step-by-step explanation:

<h3>I will use the elimination method.</h3>

We want to make the X's the same:

$24x-15y=45$

$24x+16y=172$

Because the signs of the X's are the same we subtract the 2 equations to make:

(I put the second one on top of the 1st)

$31y=127$

So:

$y=\frac{127}{31}$

Substitute y into either equation 1 or 2:

(I chose equation 1)

$8x-5(\frac{127}{31})=15$

$8x=5(\frac{127}{31}) + 15$

$x=\frac{5(\frac{127}{31})}{8}$

So:

$x=\frac{275}{62}$

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2 years ago

Would you rather put 3 dollars in the bank and have it triple each week for 4 weeks or put 4 dollars in the bank and have it qua

Gnesinka [82]

Answer:

4 dollars

Step-by-step explanation:

3x3x3x3x3 =243

4x4x4x4=256

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3 years ago

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A kennel has 90 dogs in total, some are puppies and some are adult dogs. The ratio

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Answer:

Step-by-step explanation:

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2 years ago

$18 and $20 in a expression

gogolik [260]

An expression with 18 and 20.

An expression does not have an equal sign.

18+20

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Answer:

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