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3 years ago

HELP PLEASE!!! I'm desperate!!

Mathematics

1 answer:

yarga [219]3 years ago

4 0

Answer:

X(-64/3, 0) 8/3

Step-by-step explanation:

We can set this up using a system of inequality

16/8 = x/-8

We do this because we know whatever scaled 0,6 to become 0,16 will scale -8,0 to become x,0. Since we know that the Y value will remain 0, we can plug in x.

So,

16/8 = x/-8, cross multiply to get 6x = -128

divide to get x = -128/6 and reduce for -64/3

the scale factor is 16/6, which reduces to 8/3

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2 years ago

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2 years ago

A cash register contains $10 bills and $20 bills with a total value of $520. If there are 32 bills total, then how many of each

ohaa [14]

12 is the number of $10 bills

20 is the number of $20 bills

Step-by-step explanation:

Hello,

Let's note

a the number of $10 bills

b the number of $20 bills

The total value is $520 so we can write the first equation (1)

$\boxed{\sf 10a \ + \ 20b \ = \ 520 }$

We know that there are 32 bills in total so we can write the second equation (2)

$\boxed{\sf a \ + \ b \ = \ 32 }$

(1) - 10*(2) gives

10a + 20b - 10(a+b) = 520 - 320 = 200

10a + 20b - 10a - 10b = 10b = 200

So b = 200/10=20

and then from (2) a = 32 - 20 = 12

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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2 years ago

Susan was writing a paper for English, and she thought it was going to take her 4 hours to write. In fact, it took her 6.5 hours

Goryan [66]

Answer:

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Step-by-step explanation:

i could be wrong

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2 years ago

Read 2 more answers