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mestny [16]
3 years ago
9

4(x-3)-5(x+1)=3 What math property do I use?

Mathematics
2 answers:
34kurt3 years ago
6 0

you use the distributive property

hopes this helps


LekaFEV [45]3 years ago
5 0
You can use the distributive property by multiplying 4 by x and 3. Then by multiplying -5 times x and -5 times 1. 


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Solve the system by substitution y=x-8 y=2x-14
marishachu [46]

Answer:

x = 6

y = -2

Step-by-step explanation:

6 - 8 = -2

2 x 6 = 12 - 14 = -2

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elie is now 4 times as old as her son. in 5 years time shes going to be 3 times as old as her son. how old is ellies son now?
tigry1 [53]

Answer:

Her son is 10 years old.

Step-by-step explanation:

Let son be x

Ellie is 4x

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Ted has $55. 00 in his pocket. Which purchase will he be able to pay for with cash? two books for $29. 95 each headphones for $2
kotykmax [81]

If Ted has $55. 00 in his pocket then out of  two books for $29. 95 each headphones for $29. 99 and a portable speaker set for $30. 95 an MP3 player for $35. 99 and a $20. 00 gift card for downloading music three books for $16. 99 each he can purchase  three books for $16. 99 each.

<h3>How to calculate total money spent ?</h3>

To calculate total money spent we have to add all the money we spent on all things.

Given that Ted has $55. 00 in his pocket.

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two books for $29. 95 each

Money needed for 2 books = 2\times 29.95=59.9

So Ted is not able to purchase 2 books

(ii) headphones for $29. 99 and a portable speaker set for $30. 95

Money needed for headphones and portable speaker = 29.99+30.95=60.94

So Ted is not able to purchase  headphones and portable speaker

(iii)  an MP3 player for $35. 99 and a $20. 00 gift card for downloading music

Money needed for MP3 player and gift card= 35.99+20.00=55.99

So Ted is not able to purchase  MP3 player and gift card

(iv) three books for $16. 99 each.

Money needed for 3 books =3\times16.99=50.97

So ted is able to purchase these three books .

If Ted has $55. 00 in his pocket then out of  two books for $29. 95 each headphones for $29. 99 and a portable speaker set for $30. 95 an MP3 player for $35. 99 and a $20. 00 gift card for downloading music three books for $16. 99 each he can purchase  three books for $16. 99 each.

To learn more about money spent visit : brainly.com/question/21625005

7 0
2 years ago
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