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Aleks [24]
3 years ago
6

HELP ME!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
uysha [10]3 years ago
5 0

Answer:

it's G)

Step-by-step explanation:

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How are exponents and radicals used to present roots of real numbers
MissTica

Answer:

       \sqrt[n]{a}  =a^{\frac{1}{n}}

Explanation:

Roots of real numbers can be represented by <em>radicals</em> or by<em> exponents. </em>

First, I present some examples to show how exponents and radicals are related, and then generalize.

      \sqrt{4}=4^{(\frac{1}{2})}=(2^2)^\frac{1}{2}=(2)^{\frac{2}{2}}=2^1=2\\\\\\\sqrt{25}=(25)^{\frac{1}{2}}=(5^2)^{\frac{1}{2}}=(5)^{\frac{2}{2}}=5^1=5

       \sqrt[3]{8}=(8)^{\frac{1}{3}}=(2^3)^{\frac{1}{3}}=(2)^{\frac{3}{3}}=2^1=2

When you write 5² = 25, then 5 is the square root of 25.

And in general, if n is a positive integer and a^n=x , then a is the nth root of x.

Also, if n even (and positive)  and a is positive, then a^{\frac{1}{n}}   is the positive nth root of a

Thus,

       \sqrt[n]{a}  =a^{\frac{1}{n}}

5 0
3 years ago
Solve for x in each of the equations or inequalities below, and name the property and/or properties used:
nordsb [41]

Answer

a) 3/4 x = 9

    x = \dfrac{9\times 4}{3}

    x = 12

b)  10+ 3x = 5x

     2 x = 10

        x = 5

c) a + x = b

       x = b - a

d) c x = d

      x =  \dfrac{d}{c}

e)  \dfrac{1}{2} x - g < m

     \dfrac{1}{2} x< m + g

              x  < 2( m + g)

f) q + 5 x = 7 x - r

   q + r = 2 x

      x = \dfrac{q + r}{2}

4 0
3 years ago
If the perimeter of a square is 120f+80 inches, what is the length, in inches, of each side of the square?
Fittoniya [83]

Answer:

30f + 20

Step-by-step explanation:

A square has four sides, all of equal length. If we call that side length x, then the perimeter - the total length around the square - is 4x. To find the side length given the perimeter then, we can simply divide the perimeter by 4.

Our perimeter here is 120f + 80, and dividing each term by 4 gives us a side length of 30f + 20.

6 0
3 years ago
Point A'(2, 3) is the image of A(3,-4) under a translation.
Vesna [10]

positive numbers are to the right or up, negative numbers are to the left or down.

So this means 1 unit left and 7 units up.

6 0
4 years ago
How much of an alloy that is copper should be mixed with ounces of an alloy that is copper in order to get an alloy that is ​cop
tekilochka [14]

Answer:

1r + 8(400) = 3(r+400)

1r + 320 = 3r + 120

2r = 200

r = 200 / 2 = 1000

1400 * 3 = 420

100 + 320 = 420

Step-by-step explanation:

4 0
3 years ago
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