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harina [27]
2 years ago
6

Simplify (5x^7y^3z^-1)^2x(2xy^-5)^3x(2y^-3z^2)^3

Mathematics
1 answer:
juin [17]2 years ago
8 0
Remember
(abc)^x=(a^x)(b^x)(c^x)
and
(x^m)(x^n)=x^{m+n}
and
(x^m)^n=x^{mn}
and
x^{-m}= \frac{1}{x^m}
so

(5x^7y^3z^{-1})^2(2xy^{-5})^3(2y^{-3}z^2)^3=
(5^2)((x^7)^2)((y^3)^2)((z^{-1})^2)(2^3)(x^3)((y^{-5})^3)(2^3)((y^{-3})^3)((z^2)^3)=
(25)(x^{14})(y^6)(z^{-2})(8)(x^3)(y^{-15})(8)(y^{-9})(z^6)=
1600x^{17}y^{-18}z^4=
\frac{1600x^{17}z^4}{y^{18}}
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A 10 metre length of Wood is marked out into 10 equal lengths. How many metres from one end is the third mark?
Eduardwww [97]

3 metres from one end to the third mark

Solution:

Total length of wood = 10 metre

Wood is marked into 10 equal length.

$\text{Length of each marking}=\frac{\text{Total length}}{\text{Number of marking}}

                                     $=\frac{10}{10}

                                     = 1 metre

Length of each marking = 1 metre

Number of metres from one end to third mark = 1 + 1 + 1 = 3 metre

The image of the marking is attached below.

Hence 3 metres from one end to the third mark.

7 0
3 years ago
What is the area of a rectangle with a length of 3in and a with of 5 square root of 2
abruzzese [7]

Answer:

The area of the rectangle = 15√2 in²

Step-by-step explanation:

What is the area of a rectangle with a length of 3in

and a width of 5√2.

……………………………………………

FORMULA :

area of a rectangle = length × width

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Then

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7 0
2 years ago
Solve the system of equations given below.
Yuri [45]

Answer:

C. (-1, 10)

Step-by-step explanation:

{5 = 10 - 5 ☑

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4 0
3 years ago
Piete)
liubo4ka [24]

Answer:

It doesn't make sense

Step-by-step explanation:

Given

Statement: .... at a speed of 35 miles .....

Required

Does it make sense?

In motion, speed is measured in km/h, m/s, miles per hour (depending on context) while distance is measured in km, m or miles.

However, the given statement mention the unit of speed to be miles which is incorrect.

Hence, we can conclude that the statement does not make sense.

A correct statement would be: <em>I drove at a speed of 35 miles per hour .......</em>

<em />

5 0
3 years ago
kim is renting a kayak on the hudson river . the cost of each boat is $10 and you have to pay $3.75 per hour that you rent each
DanielleElmas [232]
10+3.75h=21.25
Subtract 10 from both sides 3.75h=11.25
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8 0
2 years ago
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