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castortr0y [4]
2 years ago
13

A box contains 14 books & 7 pieces of dusters. Each piece of duster weighs 0.2 pounds each book weighs 1.1 pounds. The box &

amp; its contents together weigh 18.25 pounds. How much does the empty box weigh?
Mathematics
1 answer:
Olin [163]2 years ago
4 0

Answer:

1.45

Step-by-step explanation:

weight of all books= 14×1.1= 15.4

weight of all duster=7×0.2= 1.4

weight of books and duster= 15.4+1.4=16.8

weight of the empty box = 18.25-16.8=1.45

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Is .56 rational or irrational
LiRa [457]
Rational, because Irrational Numbers are a<span>ll </span>numbers<span> that are not </span>rational<span> they are considered </span>irrational. A irrational number<span> can be written as a decimal, but not as a fraction. An </span>irrational number<span> has endless non-repeating digits to the right of the decimal point.</span>
6 0
3 years ago
How do you solve 100-99+98-97+96-85+.........+4-3+2-1? and show the pattern for it
andreyandreev [35.5K]

Answer:

50

Step-by-step explanation:

100 − 99 + 98 − 97 + 96 − 95 + ... + 4 − 3 + 2 − 1

(100 − 99) + (98 − 97) + (96 − 95) + ... + (4 − 3) + (2 − 1)

1 + 1 + 1 + ... + 1 + 1

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50

7 0
4 years ago
-7(2 + 2x) = -84 pls try and show work
Hoochie [10]

Answer:

The final answer is \bold{x = 5}.

Step-by-step explanation:

Hey there! We will solve this using the distributive property.

  • The distributive property states that when we are given a(b \pm c), we can "distribute" the <em>a</em> through the parentheses and therefore multiply together <em>a</em> & <em>b</em> as well as <em>a</em> & <em>c</em>.
  • This would end up giving us an equation such as (a \times b \pm b \times c).
  • After we get this, we can simplify it as a one-step, two-step, or multi-step equation.

Now, we can apply these methods and solve for x in the equation!

\text{-7(2 + 2x) =  -84 \ \ This is where we begin distributing.}\\\\\text{To distribute, we will multiply the -7 by 2, and the - 7 by 2x.}\\\\\text{Be sure to keep the original operator in the parentheses!}\\\\\text{-14 - 14x = -84 \ \ Now, simplify the equation as a two-step equation.}\\\\\text{-14x = -70 \ \ Now, we have to divide by -14 on both sides to get x by itself.}\\\\\text{x = 5 \ \ And, now, we have our final answer!}

And there we go! We found that the final answer is 5. Hope this helps!

8 0
3 years ago
A)1 year into second​
riadik2000 [5.3K]

Answer:

31536000 seconds in a year

Step-by-step explanation:

there are 365 days in a year, 24 hours in a day, 60 minutes in an hour, and 60 seconds in each minute. you have to multiply all of them

4 0
2 years ago
I NEED HELP ASAP!!!
Kobotan [32]

Answer:

Since the triangle we are dealing with is an isosceles triangle if MNO is 80° that means angle <OMN and < NOM are equal. Take 180°- 80°= 100°. Then divide by two to get each angle to get 50°.

Step-by-step explanation:

About integers and rounding off. Oopsie but we don't do it in Kenyan Syllabus. Hope I was helpful✌☺.

8 0
3 years ago
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