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Aleksandr [31]
3 years ago
14

U.S. Postal Service regulations state that a package can be mailed using Parcel Post rates if it weighs no more than 80 pounds.

What is the maximum number of books weighing 14 pounds each that can be mailed in one box using Parcel Post rates?
Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0

5 because 80/14 is 5.714

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A triangle has sides with lengths of 6 inches, 8 inches is it a right triangle? ​
My name is Ann [436]

Answer:

Yes

Step-by-step explanation:

8²+6²=100

√100

=10

6 0
3 years ago
What is the solution to 2sin^(2)x+sinx+1=0
Alexus [3.1K]
Well you can try rewriting it to this

answer is   d  270

first start of by factoring  and subtracting the 1 into the right side

sin(x)  ( 2 sin (x)  + 1)  = -1  

set each one equal to -1 

sin( x) = -1   and   2 sin (x) +1 =  -1 

                              2 sin (x) = -2
                               sin ( x) = -1 
so therefore we have our final equation

sin ( x )  = - 1  and sin (x) = -1 

so then you look in your unit circle and find what coordinate equals -1 in terms of sin x 

3 0
3 years ago
Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te
dedylja [7]
<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>



4 0
3 years ago
Please help me thank youuu(๑&gt;◡&lt;๑)
coldgirl [10]

Answer:

  • 15x -45
  • 3(5x -15)

Step-by-step explanation:

The expression can be fully factored as ...

  3·5·(x-3)

Equivalent expressions can be formed by eliminating parentheses to give ...

  15x -45

or by combining different pairs of factors:

  • 3(5x -15)
  • 5(3x -9)

Of course any of the terms can be broken apart and/or combined in different ways:

  = 15(x -2) -15

  = (7x -7) + 2(4x -19)

6 0
3 years ago
Factor: −22d³+33d²+33
Studentka2010 [4]

Answer:

-2d^3 +3d^2 +3

Step-by-step explanation:

The biggest number you can take out of each term would be 11, so you divide each term individually by 11.

-22/11= -2

33/11=3

33/11=3

Then you keep the variables the same because you don't have a d in every term, therefore you cannot remove a d.

7 0
3 years ago
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