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noname [10]
2 years ago
13

arcus had 8/9 of a pack of construction paper. he used 1/5 of the paper to make paper airplanes. what fraction of the original p

ack did Arcus use to make paper airplanes?
Mathematics
1 answer:
vovikov84 [41]2 years ago
4 0
Take and do 8/9 - 1/5 which gives u 40/9which equals 4 4/9.
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75,000 = _____ tens<br>please answer
ValentinkaMS [17]
It would be 7500 because if you divide 75000/10 your answer would be 7500
6 0
3 years ago
If the 10th of the 10 consecutive numbers is 10, what is their sum?
liq [111]
Represent these consecutive numbers (assuming that they are all integers):

x
x+1
x+2
x+3
x+4
x+5
and so on
x+8
x+9 is the tenth number.  x+9 = 10, so x = 9.

Think of it this way:  there are 10 consecutive numbers, and the last one is 10.

Working backwards, we get the sequence 10, 9, ... 3, 2, 1.

The sum of such an arith sequence is equal to the count of the numbers times the average of the first and last terms:

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7 0
3 years ago
Reduce -8 + b^2 by 5 + b^2
ozzi

Answer:-13

Step-by-step explanation:

-8 + b^2 - 5 - b^2

=============

-13

8 0
3 years ago
Read 2 more answers
Is 69 a multiple of 3?
Mrac [35]
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4 0
2 years ago
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5x+15y=12 ordered pair are solution to the equation
gayaneshka [121]

Let's solve for x.

5x+15y=12

Step 1: Add -15y to both sides.

5x+15y+−15y=12+−15y

5x=−15y+12

Step 2: Divide both sides by 5.

5x

5

=

−15y+12

5

x=−3y+

12

5

Answer:

x=−3y+12/5

Let's solve for y.

5x+15y=12

Step 1: Add -5x to both sides.

5x+15y+−5x=12+−5x

15y=−5x+12

Step 2: Divide both sides by 15.

15y

15

=

−5x+12

15

y=

−1

3

x+

4

5

Answer:

y=-1/3x+4/5

Hope this helps!

-Josh

brainliest?

5 0
2 years ago
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