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ziro4ka [17]
3 years ago
13

Can someone help me? Plis

Mathematics
1 answer:
viva [34]3 years ago
5 0
I don’t know if I’m right but this might help

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Can someone pls pls help me ?
Yakvenalex [24]

9514 1404 393

Answer:

  a = 9 meters

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  28 m = a + 2m + a + 8m

  18 m = 2a . . . . . . . . . . . . . . . . subtract 10m, collect terms

  9 m = a . . . . . . . . . . . . . . . divide by 2

The value of a is 9 meters.

8 0
3 years ago
Anna has a 12 quarter 4 dimes and 11 nickel in her piggy bank how much money is in the bank
Irina-Kira [14]

Answer:

$3.95

Step-by-step explanation:

12*0.25=3

4*0.10=0.40

11*0.05=0.55

3+0.40+0.55=$3.95

5 0
3 years ago
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Please be quick, i need this as soon as possible!
dalvyx [7]

Answer:

I’m pretty sure the answer is a

Step-by-step explanation:

7 0
3 years ago
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Which expression is equivalent to 2/3 (6x − 9y)?
k0ka [10]

Answer:

4x - 6y

Step-by-step explanation:

\frac{2}{3} (6x - 9y) \\  \\  =  \frac{2}{3}  \times 6x -\frac{2}{3}  \times 9y \\  \\  = 2 \times 2x - 2 \times 3y \\  \\  = 4x - 6y \\  is \: equivalent \: expression.

7 0
3 years ago
90 books represent 3% of the total books at the library
joja [24]

Answer:

3000 books.

Step-by-step explanation:

Let x be total number of books.

3% is 3/100.

So:

3x/100=90

3x=9000

x=3000 books

3 0
3 years ago
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