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noname [10]
3 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]3 years ago
4 0
Take and do 8/9 - 1/5 which gives u 40/9which equals 4 4/9.
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Two numbers are said to be 'relatively prime' if their greatest common factor is 1. How many integers greater than 10 and less t
mars1129 [50]

Answer:

d. 9 integers

Step-by-step explanation:

Given that two numbers are said to be 'relatively prime' if their greatest common factor is 1.

We are to find relatively prime with 28 which are greater than 10 and less than 30

We have 11,12,13...29 satisfying the criteria greater than 10 and less than 30

To be relatively prime with 28, common factors should be only 1.

28 = 2x2x 7.  Hence the numbers which do not have factors as 2 or 7 will be relatively prime.  Remove all the even numbers from the list.

We have 11,13,15....29.

Of these 21 is the multiple of 7 so remove that.

Thus we have now 11,13,15,17,19,23,25,27,29

9 integers

d. 9 integers

3 0
3 years ago
Please Help<br> Given the function f(x)=x^2+2x+1, find:<br> f(2b)
DerKrebs [107]

Answer:

f(2b) = 4b^2 +4b +1

Step-by-step explanation:

Put 2b where x is and simplify.

f(2b) = (2b)^2 +2(2b) +1

f(2b) = 4b^2 +4b + 1

4 0
3 years ago
X+1.793=2.42
Varvara68 [4.7K]
The right answer is
0.627
4 0
2 years ago
n the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In the
aniked [119]

Answer:

In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half. Which expression represents the total number of points the player scored in the game?

a) 2x + 3x + 9

b) 2x + 3 + 9

c) 2x + 3x + 9x

d) 2 + 3x + 9

Answer:

a) 2x + 3x + 9

Step-by-step explanation:

3 0
3 years ago
The equation 116 = -7(4 - 2p) + 4p<br> is equivalent to which of the following?
Alexxx [7]

Answer:

d

Step-by-step explanation:

You distribute -7 into (4-2p) and then combine like terms to get 116=-28-18p

4 0
3 years ago
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