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3 years ago

6

If 2/3 of the girls have brown eyes and 1/4 of the girls have blue eyes what fraction of the girls in class have neither blue or

brown eyes

1 answer:

alex41 [277]3 years ago

4 0

1/7th of girls have neither

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What does "rationalizing" the denominator mean?

svetlana [45]

Answer:

It simply means getting rid of the square root or radical in the denominator

Step-by-step explanation:

Rationalizing the denominator simply means getting rid of the square root or radical symbol in the denominator thereby making the denominator to be just a whole number.

For example if we want to rationalize the denominator in; 3/√2

We will multiply the numerator and the denominator by √2 to get rid of the radical in the denominator which is the square root sign.

Thus;

(3/√2) × (√2)/(√2)

This gives;

(3√2)2

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2 years ago

Read 2 more answers

Explain how you can determine the number of real number solutions of a system of equations in which one equation is linear and t

Assoli18 [71]

Answer:

To determine the number of real number solutions of as system of equations in which one equation is linear and the other is quadratic

1) Given that there are two variables, x and y as an example, we make y the subject of the equation of the linear equation and substitute the the expression for y in x into the quadratic equation

We simplify and check the number of real roots with the quadratic formula, $x = \dfrac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}$ for quadratic equations the form 0 = a·x² - b·x + c

Where b² > 4·a·c there are two possible solutions and when b² = 4·a·c equation there is only one solution.

Step-by-step explanation:

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2 years ago

Ivanna has budgeted $331.50 to spend on meals during her vacation.

frutty [35]

Answer:

13 days.

Step-by-step explanation:

What I did was I took 331.50 and divided that by the amount of each meal.

331.50/8.50= 39 meals

Then divide the number of meals by the number of meals per day.

39/3= 13 days.

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3 years ago

A college student collected data from a number of his classmates. He recorded the number of hours each spent watching television

kipiarov [429]

I think it would be B 15 hours

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2 years ago

N<br> What<br> is the vertex of<br> the absolute value function below?

MatroZZZ [7]

Answer: I think the answer is (-3,-2)

Step-by-step explanation:

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2 years ago