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Otrada [13]
2 years ago
11

Simply the following expression: 8x + 5y - 4z + 9y - 3x + 13z

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
7 0

Answer:

5x+14y+9z

Step-by-step explanation:

combine 8x and -3x to get 5x

combine 5y and 9y to get 13y

combine -4z and 13z to get 9z

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Georgie joins a gym. she pays $25 to sign-up and then $15 each month.
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In the y=mx+b format or a linear equation, this would be y=15x+25
8 0
3 years ago
How can I work it out to find the product of 7-3,7
romanna [79]
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6 0
3 years ago
Is 2 hours and 30 minutes more or less than 10% of a day?
belka [17]
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8 0
3 years ago
Last week a candle store received $515.90 for selling 30 candles. Small candles sell for $11.25 and large candles sell for $22.4
alex41 [277]

Answer:

16

Step-by-step explanation:

x+y=30  solve for x   x=30-y

substitute x with 30-y and solve

11.25x+22.4y=515.9

11.25(30-y)+22.4y=515.9

337.5+11.15y=515.9

11.15y=178.4

y=16

since we're solving for just large candles it's 16

if need small cangle number 30-16=14

8 0
2 years ago
1. Charlene makes $10 per hour babysitting and $5 per hour gardening. This week, she wants to make at least $80.
Lady_Fox [76]

Answer:

Step-by-step explanation:

Well is she wanted to make $80 “b” she would have to garden for 16 hours to make a maximum of $80

“C” if she wanted to make it out of babysitting she would have to work the same for 8 hours if she babysit

Workout : b part = 10+10+10+10+10+10+10+10 Key:10=2

:c part = 20+20+20+20. Key:20=2

Sorry I didn’t do a but just add all the things above and u get your answer

4 0
2 years ago
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