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Sergio [31]
3 years ago
14

Please help marking brainlist

Mathematics
2 answers:
Paul [167]3 years ago
7 0

Answer:

-3

Step-by-step explanation:

-3 times 3 equals -9

bekas [8.4K]3 years ago
4 0

Answer:

-3

Step-by-step explanation:

-9/3=-3

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We were never taught this in class, and I understand it, kind of... but i'm just confused with everything.
GaryK [48]
\bf \cfrac{x^3y}{xy^5}\cdot \cfrac{x^2y^9}{x^8}\implies \cfrac{x^3x^2y^1y^9}{x^1x^8y^5}
\\ \quad \\
\textit{now, using exponent rules, same base, different exponent}
\\ \quad \\
\cfrac{x^{3+2}y^{1+9}}{x^{1+8}y^5}\implies \cfrac{x^5y^{10}}{x^9y^5}\\
----------------------------\\\bf \textit{now, keep in mind that}
\\ \quad \\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad

\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\\ \quad \\
%  negative exponential denominator
a^{{ n}} \implies \cfrac{1}{a^{- n}}
\qquad \qquad 

\cfrac{1}{a^{- n}}\implies \cfrac{1}{\frac{1}{a^{ n}}}\implies a^{{ n}}
\\ \quad \\
thus\\
----------------------------\\
\bf \cfrac{x^5y^{10}}{x^9y^5}\implies \cfrac{x^5y^{10}}{1}\cdot \cfrac{1}{x^9}\cdot \cfrac{1}{y^5}\implies x^5y^{10}\cdot x^{\boxed{-9}}\cdot y^{\boxed{-5}}
\\ \quad \\
x^5x^{-9}y^{10}y^{-5}\implies x^{5-9}y^{10-5}\implies x^{-4}y^5
\\ \quad \\
\cfrac{1}{x^{\boxed{4}}}\cdot \cfrac{y^5}{1}\implies \cfrac{y^5}{x^4}
8 0
3 years ago
Jada’s hamster walked 4.5 feet, and then half of that length again
labwork [276]

Answer:

Jada's hamster walked a total of 6.75 feet.

Step-by-step explanation:

If this was not the answer you were looking for just let me know and i will help as much as i can.

6 0
3 years ago
The absolute value of a number is the distance it is from 0. The bug is currently to the left of 0 and the absolute value of its
Ksenya-84 [330]

Answer:

- 4

Step-by-step explanation:

The absolute value of a number renders a number positive regardless of the preceeding sign. Therefore, either a number is positive or negative, the absolute value of such number will be positive.

In a number line, 0 is the midpoint and values to the left of 0 are negative, while those to the right are positive.

For the scenario, above, the bug is to the left of 0 and has an absolute value of 4 ;

The current position of the number line will be 4 (absolute value) places to the left of 0 which is - 4 (negative numbers are in the left).

6 0
3 years ago
Plz help me thank you :^((​
Degger [83]

Answer:

Correct choice is 4, f(6) = 15

Step-by-step explanation:

f(6) means x = 6. If you look at the piecewise function, x = 6 meets the criteria for the second equation which is just 15. You need the first equation ONLY if x is less than 4.

4 0
3 years ago
Im confused on how to use distance formula on this
zheka24 [161]

Answer:

Not sure what you need ----see below

Step-by-step explanation:

Leg 1  of left triangle  = 8 units

Leg 2                          = 6

Hypotenuse               = 10  ( via Pythag theorem....or distance formula)

R triangle  Leg1 = 8 units

                  leg 2 = 6 units

        hypotenuse = 10 units      so the triangles are congruent by SSS

distance from right angle of triangle 1 ( at 0,0)   to

               right angle of triangle 2  ( at 6,-3)  

                     using<u> distance formula </u>

                      from 0,0  to 6, -3

              d^2 = ( 6-0)^2  + (-3 -0)^2

               d^2 = 45

                d = sqrt 45  

4 0
2 years ago
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