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Mandarinka [93]
2 years ago
5

HELP PLEASE WILL MARK RIGHT ANSWER BRAINIEST

Mathematics
2 answers:
slavikrds [6]2 years ago
8 0

Answer:

-2y^-2

Step-by-step explanation:

https://www.symbolab.com/solver/simplify-calculator/simplify%20%5Cleft(8x%5E%7B2%7Dy%5E%7B-1%7D%5Cright)%5Cdiv%5Cleft(-4x%5E%7B2%7Dy%5Cright)?or=input

Inessa05 [86]2 years ago
7 0

Answer:

i think that the correct answer would be the third one

Step-by-step explanation:

hope this helps

plz hit the thanks button

plz mark brainliest

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Someone please help me on these 2 problems!
Veronika [31]

1) function  2) not a function

the first one is a function because its y values are the same number (3), which means it is a horizontal line and horizontal lines are functions.  

the second one is not a function because the coordinates cannot have different inputs but different outputs. each input must have only one output.

the coordinates for the second one are:

(2,5); (1,1); (1,2); (3,2)

and <u>a function cannot have two same x-coordinates</u>. it must pass the vertical line test which is a way to tell if something is a function or not. since the second graph does not pass the vertical line test, it is not a function

hope this helps :)

5 0
3 years ago
If there are 75 people at a movie and 36% of them are men, how many men are at the movie?
Musya8 [376]

75 * .36 = 27 men

****************************************************************


8 0
3 years ago
Can someone please help with the last problem
Brut [27]

Answer:

  18x +9h

Step-by-step explanation:

Such problems are tedious, but not difficult. The trick is to avoid making mistakes in the algebra.

  \dfrac{f(x+h)-f(x)}{h}=\dfrac{(9(x+h)^2)-(9x^2)}{h}\\\\=\dfrac{9(x^2+2xh+h^2)-9x^2}{h}=\dfrac{18xh+9h^2}{h}=\boxed{18x+9h}

3 0
2 years ago
Use a net of the square pyramid, if necessary, to find the surface area of the pyramid.
katen-ka-za [31]

Answer:

128 if it wants the whole thing than 192

Step-by-step explanation:

8 0
2 years ago
A pump fills 25 of a tank in 23 hour. At this rate, how much of the tank will the pump fill in an hour?
Sophie [7]

60% or 3/5 of the tank will be filled in an hour.

The pump will fill 2/5 of the tank in 2/3 hours.

In order to find out how much of the tank will be filled in an hour, use direct proportion and assume portion of the tank that will be filled up in an hour is x.

<em>2/5 of tank        :            2/3 hours </em>

<em>x of tank            :             1 hour </em>

Cross multiply to get:

2/3x = 2/5

x = 2/5 ÷ 2/3

x = 2/5 x 3/2

= 0.6 of the tank

= 60%

= 3/5 of tank

In conclusion, 60% of the tank will be filled in an hour.

<em>Find out more at brainly.com/question/14336804.</em>

6 0
2 years ago
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