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Agata [3.3K]
3 years ago
14

you have a piece of yarn that is 12 1/2 ft long. You need to cut it into strips that are 1 1/4 ft long. how many strips will you

have? A) 10 B) 8 C) 12 D) 6
Mathematics
1 answer:
zysi [14]3 years ago
5 0

Answer:

A.

Step-by-step explanation:

12.5/10=1.25.

12.5/8=1.56

12.5/12=1.04

12.5/6=2.08

it's important to know what 1/2 is, 1/3 is, 1/4 is and 1/5 it's also important to know things like 2/2, 2/3, 3/3, 2/4, 3/4, 4/4, 2/5, 3/5, 4/5, and 5/5. You don't need this until 8th grade though. But get on it if you can. Ask your parents or teacher.

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Required
sattari [20]

Answer:

50

Step-by-step explanation:

d-nr of ducks

g- nr of goats

2*d+4*g=260

d+g=80            /*(-2)

2d+4g=260

-2d-2g=-160

------------------

      2g=100

      g=100/2

     g=50

5 0
3 years ago
Read 2 more answers
1. A college newspaper, The College Spy, has a fixed production cost of $70 per edition and it costs 40¢ per copy to print and d
Mars2501 [29]

a. What is the cost expression for the newspaper? 


The cost would be the sum of fixed cost and the variable cost. The fixed cost is 70 while the variable cost is 0.40 x, where x stands for the number of copies made. That is:

Cost = 70 + 0.40 x            

where x = number of copies made


b. What is the revenue expression for the newspaper? 

The revenue would simply be the product of selling price and number of copies sold or made, that is:

Revenue = 0.50 x


c. Put the cost and revenue expressions into an inequality that would represent a successful newspaper. 


To have a successful newspaper, the difference of revenue and cost must be greater than 0, that is:

Revenue – Cost > 0

0.50 x – (70 + 0.40 x) > 0


d. How many copies should be sold to make a profit? Show all work! An answer with no work will receive 0 points. 

From the above equation, we solve for x.

0.50 x – (70 + 0.40 x) > 0

0.50 x – 70 – 0.40 x > 0

0.10 x > 70

x > 700

Number of copies made should be more than 700 copies


e. Now go back to your answer for d. On every line of your solution write what property of math you would use to justify the transformation that occurred. 

 

0.50 x – (70 + 0.40 x) > 0                Distribution property

0.50 x – 70 – 0.40 x > 0                    Addition property

0.10 x > 70                                           Addition property

x > 700                                                  Division property

4 0
3 years ago
Please help me I need this done not a lot of work but please get it done with good credit for a good reward and rating!
saw5 [17]

Answer:

what work

Step-by-step explanation:

7 0
3 years ago
CAN ANYONE PLEASE HELP ME WITH MY HOMEWORK ILL DO ANYTHING JUST PLEASE HELP ME
nasty-shy [4]

Answer:

9

Step-by-step explanation:

4x9=36

5x9=45

6x9=54

7x9=63

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5 0
3 years ago
Read 2 more answers
Let ​f(x)=x^2 and ​g(x)=x-3. Find ​(f​ º g)(​-1).
ValentinkaMS [17]

Answer:

Step-by-step explanation:

8 0
3 years ago
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