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stira [4]
2 years ago
10

In a classroom of 28 students: 19 of the students have brown eyes 13 of the students wear glasses 7 of the students do not have

brown eyes or glasses how many brown-eyed students wear glasses? answer
Mathematics
2 answers:
V125BC [204]2 years ago
7 0

Total students = 28

Students with brown eyes = 19

students wear glasses = 13

Not brown eyes or no glasses = 7


Not brown eyes = 28 - 19 = 9

Not wearing glasses = 28 - 13 = 15

Not brown eyes and wearing glasses = 15 - 9 = 6

Brown eyes and wearing glasses = 13 - 6 = 7 <==== answer

AnnyKZ [126]2 years ago
5 0

Answer:7 is the answer

Step-by-step explanation:

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-4x+2=26           <em>subtract 2 from both sides</em>

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\boxed{x=-6}

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LM is the midsegment of ABC is AC is 28 centimeters long , how long is LM?
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The legs of an isosceles trapezoid have lengths of 48 - 7x and x + 8. What is the length of one of the legs?
sdas [7]

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13 units

Step-by-step explanation:

The legs of an isosceles trapezoid are congruent, then

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4 0
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What value of b will cause the system to have an infinite number of solutions? A system of equations. y equals 6 x plus b. negat
Natasha_Volkova [10]

The value of b is 6 for which the system of equation will have an infinite number of solutions option third is correct.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have two linear equations:

y = 6x - b ..(1)

\rm -3x + \dfrac{1}{2}y = -3 ..(2)

From the second equation:

\rm -3x + \dfrac{1}{2}y = -3

-6x + y = -6

After rearranging:

y = 6x - 6 ..(3)

On comparing equation (1) and (3)

b = 6

Thus, the value of b is 6 for which the system of equation will have an infinite number of solutions option third is correct.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ1

8 0
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