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docker41 [41]
3 years ago
10

Simplify 2(6(3.5+2.1))

Mathematics
1 answer:
Katarina [22]3 years ago
6 0

Answer:67.2

Step-by-step explanation:

3.5+2.1=5.6

6 times 5.6 is 33.6 then 33.6 times 2 is 67.2

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How is 1.479 a rational number​
Firlakuza [10]

Step-by-step explanation:

because it has decimal number.

4 0
3 years ago
The tax on a $80 item is $3.20.<br> Find the tax on a $140 item.<br> What is the tax?
allsm [11]
Tax is 4%

Tax in the $140 item is $5.60
(0.04x140)
7 0
2 years ago
A sports store sells three different packs of tennis balls. Brand A costs $2.50 for two balls, brand B sells three balls for $3.
meriva

Answer:

Step-by-step explanation:

sports store sells three different packs of tennis balls. Brand A costs $2.50 for two balls, brand B sells three balls for $3.90, and brand C has a sale of four balls for $5.12. Which inequality about the unit price per ball is correct

Brand A:

$2.50 for 2

Brand B :

$3.90 for 3

Brand C:

$5.12 for 4

We calculate the unit price :

Brand A:

$2.50 / 2 = $1.25

Brand B:

$3.90 / 3 = $1.30

Brand C:

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4 0
3 years ago
Use the ratio table to determine how many people 13 subs would serve. Explain look at the photo
adoni [48]
I think its 44. The amount of people increase by 12 every time you add more subs. Hope that helps!
5 0
3 years ago
Read 2 more answers
Erin feeds her dog 7/10 cup of food a day . With 3/10 cup canned and the rest dry . She also gives her dog 1 treat a day . How m
gavmur [86]

Answer:

2\frac{4}{5}\ \ or \ 2.8 \ \ cups

Step-by-step explanation:

-The total portion fed to the dog is 7/10 cup

  • Canned-3/10
  • Dry=7/10-3/10=4/10

-One week has 7 days. we multiply the dry portion per day by the number of days in a week.

Dry= Total -Canned\\\\=\frac{7}{10}-\frac{3}{10}\\\\=0.40 \ cup\\\\Dry \ per \ Week= Dry/ day\times days\\\\=0.40\times 7\\\\=2\frac{4}{5}\  or\  2.8 \ cups

Hence, Erin feed her dog 2 4/5 0r 2.8 cups of dry food

5 0
3 years ago
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