MATHEMATICS MIDDLE SCHOOL

PLS HELP ME WITH THIS QUESTIONNN

Answers

Answer 1

Answer:

Answer:

F 1/36

Step-by-step explanation:

There are 3+5+10 = 18 markers in the drawer

P (green) = green/total =3/18 = 1/6

P( green,green) = P(green) * P (green)

= 1/6* 1/6 = 1/36

Getting 2 greens in a row with replacement is 1/36

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The cylinder is 10 meters wide and the volume is 300 cubic meters what's the height of the cylinder?

Answers

Cylinder is 10 meters wide, so its diameter is 10 meters. You get radius of it by dividing 10 by 2, which equals 5.
As you count volume of cylinder from that equation
$V=A*h= \pi r^(2)*h$
You get an equation to count height:
$h= (V)/( \pi r^(2) )$
h≈3.82 meters

Is 1/x + 3y = -5 a function ?

Answers

We can say that a relationship between two variables is a function if, for every input, we get one and only one unique output. If we want to talk about y as a function of x in this problem, we want to make sure that every x has only one y associated with it. We can do this by solving our equation for x and seeing whether we can have more than one y that satisfies that equation. Here, I'll do the algebra and briefly explain my steps:

Multiply either side by x to cancel the denominator in 1/x:

$x((1)/(x)+3y)=x(-5)\n1+3xy=-5x$

Add 5x to either side to collect all of the x terms on one side, and subtract 1 to get all of the constants on one side:

$(1+3xy)+5x-1=-5x+5x-1\n3xy+5x=-1$

Factor an x out of the left side of the equation:

$x(3y+5)=-1$

Divide either side by 3y + 5 to get the x by itself:

$(x(3y+5))/(3y+5)=(-1)/(3y+5) \n\nx=(-1)/(3y+5)$

For every x we pick, only one y can satisfy the above equation, so we can say that yes, $(1)/(x)+3y=-5$ is a function.

Solve Ax + By = -C for x.
Ox=-By-C
А
x=-By+C
Ox=By=0

Answers

Answer:

$\textbf{Option 1}\n$

Step-by-step explanation:

$\textup{Given $ Ax + By = -C$}\n\textup{Subtracting $By$ on both sides, we get,}\n$ Ax = -C -By $\n$

$\textup{Dividing by $A$ on both sides, (Assuming $A$ is not equal to zero) we get }\n$$ x = (-By -C)/(A)$$$

IM BEGGING PLEASE HELP I GIVE THANKS

Answers

Opposite angles are equal:

4y-8=79+y

4y-y=79+8

3y=87

y=87/3

y=29

What is the solution of the system? Use substitution. 3x + 2y = 7
y = –3x + 11
A.
(6, -3)

B.
(6, -7)

C. {-4,19 }
2

D.
(5, -4)

Answers

b. I don't If it help

Is 5.4and 5.400 equal

Answers

yes because the zeroes on 5.400 are just added as a filler they dont mean anything

they are equal no matter how many zeros you add at the end, its like 6.5 is equal to 6.5000000000

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0.45833333333 as a fraction