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yan [13]
3 years ago
5

How do you create and solve equations in one variable given a real-world situation?

Mathematics
1 answer:
kkurt [141]3 years ago
4 0

Answer:

by finding something to factor it by

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-10y + 9x = -9<br> 10y + 5x = -5
RoseWind [281]
The answer is (-1,0) or x=-1 and y=0 :)
5 0
3 years ago
PLEASE help with these math questions
SIZIF [17.4K]
Questions 1, 2, 3, and 4 are exercises to give you practice with
common denominators.  For each of these questions, change all
the fractions to common denominators, and the answers jump out at you.

#1).  5/12 = 25/60
         2/5  =  24/60
Make um negative, and then you'll have the answer right away.


#2).  The one that's negative is obviously the least.
Both positive ones must be bigger than the negative one.
For the positive ones:

           2/5  =  6/15
           2/3  =  10/15 .
Now it's easy.


#3).  This is tough.  The least common denominator is  2,520 !
It's probably easier to just do the divisions and get the decimals
for each fraction.

               -5/8  =  -0.625
               -7/9  =  -0.777...
               -4/5  =  -0.8
               -3/7  =  -0.428...
Now it's easy to line um up.


#4).  Sneaky one.
      Look closely at each fraction.
      B, C, and D are all less than 1, so they're not between 1 and anything more than 1.
      8/5 is the only one that's more than 1.     


#5).  A fraction is just a short way to write a division problem.
When you see a fraction, it means

               "the top number divided by the bottom number" .

When you actually do the division, the quotient you get
is the decimal form of the fraction.

To change a decimal into a percent,
move the decimal point two places that way  ==> .

The numbers in the boxes at the bottom of #5 are the correct numbers,
but they both should be negative.  (because the -3/8 is negative)
7 0
3 years ago
Tasty Donut Shack charges $4.00 for 6 donuts. At this rate, what is the charge for 4 dozen donuts?
ElenaW [278]
$4.00 for 6 donuts would mean $1.50 per donut. There are 48 donuts in 4 dozen. $1.50 times 48 is $72. The correct answer is $72.
Hope this helped!
3 0
3 years ago
What is the sum?<br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B%20%7Bx%7D%5E%7B2%7D%20%7D%20%20%2B%20%20%5Cfrac%7
shutvik [7]

Answer:

6/x^2

Step-by-step explanation:

Simplify the following:

2/x^2 + 4/x^2

2/x^2 + 4/x^2 = (2 + 4)/x^2:

(2 + 4)/x^2

2 + 4 = 6:

Answer: 6/x^2

8 0
3 years ago
Read 2 more answers
Need help fast please
romanna [79]

Answer:

Step-by-step explanation:

#1 is 24k^15

just add the #

#2 4096

4x4x4=64^2

64x64

=4096

4 0
3 years ago
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