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irina1246 [14]
2 years ago
12

-9(y+12)=4(-7y-8) Solve for y

Mathematics
1 answer:
miv72 [106K]2 years ago
5 0

-9(y + 12) = 4(-7y -8)

Use the distributive property:

-9y - 108 = -28y -32

Add 32 to both sides:

-9y - 76 = -28y

Add 9y to both sides:

-76 = -19y

Divide both sides by-19

Y = 4

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Is rolling a 3 standard doe and then rolling a sum greater than 4 when counting the next roll an independent event?
zhannawk [14.2K]

Answer:

False

Step-by-step explanation:

In this question, you roll 3 from the standard die and then add it with the next roll to see if the sums are greater than 4.

From this explanation you can see that you use the result from your first roll for the second event, so we can conclude that the event is dependent.  

Imagine if we change the result of the first roll into 5, without adding the second roll we can know that the sum will be greater than 4. The first event result will influence the second event, so it is a dependent event.

5 0
3 years ago
Dominique paid $15.50 to join an online music service.If she purchases 10 songs each month at a cost of $0.99 per song,what will
ozzi

Answer:

94.7

Step-by-step explanation:

15.50+10*0.99*8

4 0
3 years ago
Braden biked 10 8/9 miles on Monday. On Tuesday, he biked 3/ 4 as far as Monday. How many total miles did he bike over the two d
torisob [31]

Answer:

19 1/18 miles.

Step-by-step explanation:

For Tuesday's ride we need to multiply 10 8/9 by 3/4.

10 8/9 = (9*10+8) / 9 =  98/9 miles.

98 / 9  * 3/4

= 98/3 * 1/4

49/6

= 8 1/6 miles.

Total miles over 2 days = 10 8/9 + 8 1/6

= 18 + 8/9 + 1/6

= 18 +  48/54 + 9/54

= 18 57/54

= 19 3/54

= 19 1/18 miles.

5 0
3 years ago
Please help<br><br> 23 - 7 3/5
kompoz [17]

Answer:15 2/5

Step-by-step explanation:

23 - 7 = 16

16 - 3/5 → 15 5/5 - 3/5 = 15 2/5

6 0
2 years ago
139°<br> (17x + 3)<br> answer
nasty-shy [4]

Answer:

x= 8

Step-by-step explanation:

17x + 3 = 139

17x = 136

x = 8

6 0
2 years ago
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