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konstantin123 [22]
3 years ago
5

The quotient of -8x^2y^3/xy is same as the product of 4xy and

Mathematics
2 answers:
Fynjy0 [20]3 years ago
5 0

Answer:

The quotient of -8x^2y^3/xy is same as the product of 4xy and -2y.

Step-by-step explanation:

First find the quotient:

\frac{-8x^{2} y^{3} }{xy} \\=-8x^{2} y^{3} *x^{-1} y^{-1} \\=-8xy^{2}

The quotient should be equal to 4xy times an unknown quantity. Set the unknown quantity equal to a:

4xy*a=-8xy^{2} \\a=\frac{-8xy^{2}}{4xy} \\a=-2xy^{2}*x^{-1} y^{-1} \\a=-2y

Dafna1 [17]3 years ago
4 0
We know that
<span>The quotient of
-8x</span>²y³/xy=-8xy²

then 
<span>the product of
(4xy)*z= -8xy</span>²------> z=-8xy²/(4xy)-----> z=-2y

the answer is
-2y
so
The quotient of -8x²y³/xy is same as the product of (4xy)*(-2y) 

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The second angle of a triangle is double the first angle. The third angle is 40 less than the first angle. Find the three angles
ArbitrLikvidat [17]

Answer:

Angle 1: 55

Angle 2: 110

Angle 3: 15

Step-by-step explanation:

Angle 1: x

Angle 2: 2x

Angle 3: x-40

The total degrees for all the angles in a triangle add up to 180, so we now have the equation x+2x+x-40=180. From here we solve to get 55 degrees for x, so angle 1 is 40 degrees, angle 2 is 110 (2 times 40) and the third angle is 15 (55-40).  

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3 years ago
What is the range of a cosine function?
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The smallest y can be is y = -1. The largest it can be is y = 1. The value of y can be anything in between. The value of y is a real number.

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4 0
2 years ago
An office manager needs to decide between two tables for the conference room. One is rectangular, 5 feet wide by 10 feet long. T
zvonat [6]
Radius of circle= 4

a) circle circumference=2(pi)r
circumference=2(pi)4=25.13

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5 0
3 years ago
The shorter leg of a right triangle is 5 inches shorter than the longer leg. The hypotenuse is 5 inches longer than the longer l
Licemer1 [7]

Answer:

longer leg: 20 in

shorter leg: 15 in

hypotenuse: 25 in

Formulas:

<u>Pythagorean Theorem</u>

c^2 = a^2 + b^2

c ... hypotenuse

a ... one leg

b ... another leg

Pythagorean theorem is used in right triangles (triangles in which one angle is 90°).

Step-by-step explanation:

longer leg: x

shorter leg: x - 5

hypotenuse: x + 5

To find x (longer leg), let's use Pythagorean theorem.

c^2 = a^2 + b^2\\(x+5)^2 = x^2 + (x-5)^2\\x^2 + 10x + 25= x^2 + x^2 -10x + 25\\x^2 + 10x = 2x^2 - 10x\\0 = x^2 - 20x

Now let's factorize to get solutions for x.

0 = x(x-20)

First solution:

x = 0

Second solution:

x - 20 = 0\\x = 20

Since a side of a triangle has to be a positive number, x is equal to 20.

Now let's just substitute x back to get side lengths. From the question the lengths are in inches.

longer leg: x = 20 in

shorter leg: x - 5 = 20 - 5 = 15 in

hypotenuse: x + 5 = 20 + 5 = 25 in

6 0
2 years ago
What is the sum of 15 – 6i and –2 + 9i? 13 + 3i 17 + 3i 24 – 147i 24 + 147i
Delicious77 [7]

13 + 3i

15 - 6i - 2 + 9i  → Sum

collect like terms

(15 - 2) + ( - 6i + 9i) =13 + 3i


7 0
3 years ago
Read 2 more answers
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