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ryzh [129]
3 years ago
9

Evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5.

Mathematics
2 answers:
Over [174]3 years ago
6 0
Remember \sqrt[n]{x^m} =x^ \frac{m}{n} and
(x^m)(x^n)=x^{m+n} and
\frac{x^m}{x^n}=x^{m-n} and
(x^m)^n=x^{mn}

so

( \sqrt[4]{9})( \frac{ \sqrt{9} }{\sqrt[4]{9^5}})=
( \sqrt[4]{9})( \frac{ \sqrt{2}{3^2} }{9^\frac{5}{4}})=
( \sqrt[4]{9})( 3^\frac{2}{2} }{9\sqrt[4]{9}})=
\frac{3}{9}=
\frac{1}{3}
Naya [18.7K]3 years ago
4 0
It would be 0.33333333333
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f a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.
trasher [3.6K]

( x + (x  -  9))  \times 2 = 70 \\( 2x - 9) \times2= 70 \\ 4x - 18 = 70 \\ 4x = 70 + 18 = 88
x =  \frac{88}{4}  = 22
the length is 22


and the width is
22-9=17





good luck
3 0
3 years ago
Please answer this correctly
Stels [109]

Answer:

1/64

Step-by-step explanation:

The probability of landing on a 7 is 1/8.

The probability of landing on a 2 is 1/8.

1/8 \times 1/8

= 1/64

7 0
3 years ago
Read 2 more answers
Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the follo
Stells [14]

Answer:(X+Y)²

X²+Y² would be greater than X²-Y² since addition gives a greater result than subtraction.

X²+Y² would be greater than 2(X+Y); this is because 2(X+Y) = 2X+2Y, which will be less than X²+Y², since X>Y.

(X+Y)² = (X+Y)(X+Y). This can be simplified using the distributive property:

X(X)+X(Y)+Y(X)+Y(Y) = X²+XY+YX+Y² = X²+2XY+Y². This is greater than X²+Y².

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Liula [17]

Answer:

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3 years ago
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Norma-Jean [14]
The rate of change of a linear equation (first degree) is equivalent to the slope of a line. Slope is described as the vertical movement (rise) of the line over its horizontal counterpart (run). In determining the rate of change or slope (m) given 1 data point (x',y'), point-slope form is applicable. Point-slope form is: (y-y') = m (x-x'). Substitute the given point (-5,-1) in the equation. By substitution, [y-(-1)] = m [x-(-5)]. Re-arranging the equation, the rate of change or slope is, m = (y+1)/(x+5).
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3 years ago
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