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Mademuasel [1]
3 years ago
7

There are 90 girls and 60 boys in the sixth grade at a middle school. Of these students, 7 girls and 2 boys write left-handed. W

hat percentage of the sixth graders at this middle school write left-handed?
Mathematics
2 answers:
matrenka [14]3 years ago
7 0

Step-by-step explanation: Ok so if there are 90 girls and 7 are left handed u  use this method 6/90 multiply by 100 and u get 7.77%

Radda [10]3 years ago
6 0

Answer:

6%

Step-by-step explanation:

  1. 90 + 60 = 150
  2. 7 + 2 = 9
  3. Set up a proportion: \frac{9}{150} = \frac{x}{100}  
  4. Cross multiply, then divide: 9 × 100 = 900, 900 ÷ 150 = 6
  5. So, 6% of students in 6th grade were left-handed

I hope this helps!

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How many like terms are in the expression? 14 x minus 14 y 7 minus x z 2 x 0 2 3 5.
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Like terms are those terms, which have the common variable with same powers.

The number of like terms in the given expression are 3, which is (14x,-x,2x). the option 3 is the correct option.

<h3>What is like terms?</h3>

In the algebra or the algebraic expression the like terms are those terms, which have the common variable with same powers.

Given information-

The given expression in the problem is,

14 x -14 y+ 7 - x+ z+ 2 x

The given expression is the algebraic expression which 3 number of unknowns variables.

There is total 6 terms in the given expression. In which 5 terms consists the variables and one term is constant.

In the given expression,

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