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IrinaVladis [17]
3 years ago
15

-3(x+ 2y) + 5(3x - y) + y2 for x = 6 and y= 2.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

54

Step-by-step explanation:

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Randy walks 1/2mile each 1/5 hour.how far will randy walk in one hour ?
Irina18 [472]

1/2 mile / 1/5 hour = x miles/ 1 hour

using cross products

1/2 * 1 = x * 1/5

multiply by 5 on each side

1/2*5 = x

x = 5/2 miles

x = 2 1/2 miles

5 0
3 years ago
If the average grade on an English class rose from 70 to 85 what is the approximate percent increase ?
mixer [17]

Answer: The approximate percent increase is 121.42857%. This is a rounded value. To get this, first you would need to find out which increased and in what direction. Of course, the 70 turned into an 85. So you can divide 85 by 70 and receive a number. Then in whatever form you found it, decimal, fraction, or even percent straight away, ensure the value is a percentage.

70 -> 85

85/70

About 1.21 [decimal]

1.21 x 100 = 121 [add the %]

121% [rounded]


4 0
3 years ago
Read 2 more answers
10,000 pounds = ____ tons Write numerical answer only
MrRa [10]

Answer:

2,000 pounds = 1 ton........sooooo 10,000 pounds = 5 tons

Step-by-step explanation:


5 0
2 years ago
One copy of a new book by Amanda's favorite author cost $9.45. If a total of 2,740 copies of the book were sold on the first day
Arisa [49]
Without taking out the cost that would be given to the author and publisher it would be $25,893, you just multiply 9.45 by 2,740
4 0
2 years ago
The yoga instructor at Universe Fitness spent $1,925 on 200 items for the upcoming yoga seminar. He purchased yoga mats for $12.
Alex17521 [72]

Answer:

The auditing book is not accurate

Step-by-step explanation:

25($12.5)+50($8)+125($10)+= $1,925

$312.5 + $400 + $1,250 = $1,925

$1,962.5 not= to $1,925

4 0
3 years ago
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