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soldi70 [24.7K]
3 years ago
7

Really need help !!!!:(

Mathematics
1 answer:
ANEK [815]3 years ago
5 0
4

Is 4/10 which can be simplified to 2/5
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Whats the diffrence of 2 2/3 - 1 2/5 write answer in simplest form
Fofino [41]
2 \frac{2}{3}-1 \frac{2}{5}=2 \frac{2 \times 5}{3 \times 5}-1 \frac{2 \times 3}{5 \times 3}=2 \frac{10}{15}-1 \frac{6}{15}=\boxed{1\frac{4}{15}}
3 0
3 years ago
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Please answer this correctly
Illusion [34]

Answer:

$15.50

Step-by-step explanation:

0.5 (1) + 5 (3)

0.5 + 15

15.50

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3 years ago
How to factorise 5a squared - 4ab
Marizza181 [45]
You can take the a out of both values. There are no other factorable parts of this expression. Your factored version would look something like this- a(5a-4b)
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guillen floors advertise the same type of carpet at a cost of 10% less per square foot then Harlem Hardware determine the cost o
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This question is incomplete. Harlem sells 500 square feet at $750
cost per square foot = 500/750 = $1.50 
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5 0
3 years ago
The aquarium has 3 more yellow fish than green fish. 60 percent of the fish are yellow. How many green fish are in the aquarium?
kompoz [17]

9514 1404 393

Answer:

  6

Step-by-step explanation:

If 60% are yellow, the other 40% are green. Then the difference between yellow and green is 60% -40% = 20% of the total number of fish. That difference also happens to be half of the number of green fish:

  20% = (1/2)(40%)

So, the number of green fish is 2×3 = 6.

_____

If you wanted to, you could write a couple of equations:

  y - g = 3

  y = 0.60(y +g)

Using the first equation to write an expression for y, we get ...

  y = g +3

Using this in the second equation, we have ...

  g +3 = 0.6(g +3 +g)

  g +3 = 1.2g +1.8 . . . . eliminate parentheses

  1.2 = 0.2g . . . . . . . .  subtract g+1.8

  1.2/0.2 = g = 6 . . . . . divide by 0.2

There are 6 green fish in the aquarium.

6 0
3 years ago
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