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Rus_ich [418]
1 year ago
15

For every left handed person, rhere are about 4 right handed people. If there are 30 students in a class, predoct the number of

students who are right handed
Mathematics
1 answer:
hjlf1 year ago
7 0

Answer:

4 right handlers for everytime 5 people

solution:

4/5. = x/30

x = (4)(30)/5

x= 24

there are 24 right handed people

Step-by-step explanation:

I am left handed so I know this is true :)

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6 0
3 years ago
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Hi! Can someone please help me, I would appreciate it!
bonufazy [111]

Answer:

x5-2x3+2x2-8x+4

Step-by-step explanation:

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5 0
3 years ago
PLease help me solve this
Mnenie [13.5K]

Answer: 729

Step-by-step explanation:

\frac{1}{3^{-2} * 3^{-4} * (-1)^{2}  }

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4 0
2 years ago
What is 7 1/12 - 2 3/4 in simplest form
stich3 [128]

7 1/12  -  2 3/4

First we have to change mixed numbers to improper fractions

7 1/12  =  7 x 12 + 1 = 85   85/12

2 3/4  =  2 x 4 + 3 =  11     11/4

 85/12 - 11/4

Now we need to find the LCD (least common denominator) for 4 and 12

4, 8, 12

12

12 is our LCD, so it becomes our new denominator

85/12 would stay the same because the denominator wasn't changed but for 11/4 our new denominator is 12, so our fraction will change.

11/4  =  33/12 

4 goes into 12, 3 times. What you do to the bottom, you do to the top.

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3 x 4 = 12

So, our new fraction is 33/12.  Now we subtract

85/12  -  33/12  =  52/12

Now we convert back to a mixed number

52 ÷ 12 = 4 4/12 reduce

4 1/3

Hope this helps.


6 0
4 years ago
A soccer team lost 30% of its games. Suppose the team won 14 games. How many games did the team play?
-BARSIC- [3]
They would have played 20 games altogether
8 0
3 years ago
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