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Oduvanchick [21]
3 years ago
11

Please help a brother out

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0
Also undefined. What they tried to do in this question was give you more info then needed. if there is no slope then it is considered undefined 
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Solve 3(a + 3) – 6 = 21.
tester [92]

Answer:

a=6

Step-by-step explanation:

to find the value of a you need to simplify the equation first. so...

3(a+3)-6=21 (you remove the bracket first)

3a+9-6=21

3a+3=21 (you collect the like terms then)

3a=21-3

3a=18 (then you both divide both sides by 3 to find the value of a)

a=18/3

a=6

to check your answer substitute 3 instead of a

3(a+3)-6=21

3(6+3)-6=21

3(9)-6=21 (according to BODMAS since multiplication comes first you multiply 3 with 9 before subtracting it from 6.)

29-6=21

21=21

6 0
3 years ago
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Mashutka [201]
Because 16/5 and 48/15 are equivalent fractions
7 0
3 years ago
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Leo and Maggie volunteer at the local bird sanctuary.
sattari [20]

Answer:2.4

Step-by-step explanation:

12 * 20% = 12 * 0.20 = 2.4 hours

It will not last the entire shift.

7 0
3 years ago
A washer and a dryer cost 450 combined. The cost of the washer is two times the cost of the dryer. What is the cost of the dryer
mixas84 [53]

Answer:

150

Step-by-step explanation:

The washer is $300

half of 300 is 150

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5 0
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kirza4 [7]
Byron would have to work 13 hours to earn $143.00
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