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nexus9112 [7]
3 years ago
8

-9x = 72 PLEASE HELP GIVING 21 POINTS PLEASE

Mathematics
2 answers:
Bad White [126]3 years ago
3 0

Answer:

X = -8

Step-by-step explanation:

Lilit [14]3 years ago
3 0

Answer:

-8

Step-by-step explanation:

divide the -9 by the 72 and you get X= -8

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Step-by-step explanation:

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24 water bottles for $2.95
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3 years ago
The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is five times
almond37 [142]

Answer:

First angle = 30°

Second angle = 60°

Third angle = 90°

Step-by-step explanation:

x + y + z = 180

y + z = 5x

z = y + 30

then:

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then:

x + y + z = 180

{(2y+30)/5} + y + y+30 = 180

{(2y+30)/5} + 2y + 30 = 180

{(2y+30)/5} = 180 - 30 - 2y

{(2y+30)/5} = 150 - 2y

2y+30 = 5(150-2y)

2y+30 = 5*150 + 5*-2y

2y+30 = 750 - 10y

2y + 10y = 750 - 30

12y = 720

y = 720/12

y = 60°

x = (2y+30)/5

x = (2*60 + 30)/5

x = (120+30)/5

x = 150/5

x = 30°

z = y + 30

z = 60 + 30

z = 90°

Check:

x + y + z = 180°

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7 0
3 years ago
A car dealership's goal is to sell a mean of 25 cars per day. In one week, it sold the following numbers of cars each day:
LUCKY_DIMON [66]

Answer:

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Step-by-step explanation:

17, 14, 19, 21, 27, 22, 20 add all of these numbers together

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8 0
3 years ago
Read 2 more answers
What is the domain and range?
Viefleur [7K]

Answer:

Domain is your x max and Min, Range is your y max and Min

Step-by-step explanation:

Domain would be -5 to 8 or (-5,8)

range would be -3 to 2 or (-3,2)

8 0
3 years ago
Read 2 more answers
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