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ankoles [38]
3 years ago
10

Find the length of the third side. If necessary, write in simplest radical form.

Mathematics
2 answers:
Andrews [41]3 years ago
8 0

Answer:

Third side = √7 units.

Step-by-step explanation:

Use Pythagoras Theorem:

4^2 = 3^2 + x^2

x^2 = 4^2 - 3^2 = (4-3)(4+3) = 7

x = √7.

alukav5142 [94]3 years ago
7 0

Answeri dont know sorry

Step-by-step explanation:

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Which 2 values of x are roots of the polynomial below?
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Given:

The given polynomial is:

f(x)= 3x^{2}-3x+1

To find the roots of the given polynomial.

To find the roots we have to take f(x) = 0

So,

3x^{2} -3x+1 = 0

Formula

By quadratic formula, the root of the equation ax^{2} +bx+c = 0 is,

x = \frac{-b+\sqrt{b^{2}-4ac } }{2a} and \frac{-b-\sqrt{b^{2} -4ac} }{2a}

Now,

Putting, a=3, b=-3, c=1 we get,

x = \frac{3+\sqrt{3^{2}-4(3)(1) } }{(2)(3)} and \frac{3-\sqrt{3^{2}-4(3)(1) } }{(2)(3)}

x = \frac{3+\sqrt{-3} }{6} and x=\frac{3-\sqrt{-3} }{6}

Hence,

The values of the roots of the given polynomial arex=\frac{3+\sqrt{-3} }{6} and x=\frac{3-\sqrt{-3} }{6}

Hence, Option A and F are the correct answer.

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3 years ago
Let a represent a non zero rational number and let b represent an irrational number. Which expression could represent a rational
Marta_Voda [28]

The operation between a rational and a irrational number that results in a rational number is a multiplication, hence the expression ab could represent a rational number.

<h3>What are rational and irrational numbers?</h3>

If a number can be represented by a fraction, it is rational, otherwise, it is irrational.

The addition/subtraction of a rational and an irrational numbers is irrational, while the multiplication is rational, hence the expression ab could represent a rational number.

More can be learned about rational numbers at brainly.com/question/10814303

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How do you divide a fraction
My name is Ann [436]
There are 3 Simple Steps to Divide Fractions:
Step 1. Turn the second fraction (the one you want to divide by) upside down
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Step 2. Multiply the first fraction by that reciprocal

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6 0
3 years ago
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nadezda [96]

Answer:

32, because when you are dividing by a fraction, you can multiply by the divident by reciprocal of the divisor.

Step-by-step explanation:

4 ÷ 1/8

4/1 ÷ 1/8

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4 × 8

32

When you are dividing by a fraction, you can multiply by the divident by reciprocal of the divisor.

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