A game consists of randomly choosing a bag out of a choice of 100 and then again randomly,picking a ball from it. Each bag has the same total number of balls

Answers

Answer 1
Answer:

Answer:

P(Red) = 0.44

Step-by-step explanation:

The question required a tree diagram (see attachment)

Required

Determine P(Red)

To do this, we simply each path that leads to red on the attached tree.

So, we have:

Red\ 1 = 0.35 * 0.6

Red\ 2 = 0.45 * 0.2

Red\ 3 = 0.20 * 0.7

P(Red) is then calculated as:

P(Red) = Red\ 1 + Red\ 2 + Red\ 3

P(Red) = 0.35 * 0.6 + 0.45 * 0.2 + 0.20 * 0.7

P(Red) = 0.44

Hence, the probability of selecting Red is 0.44


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1. Which expression is a cubic polynomial?3x^2 - 1 x^3 - 1 x^2 - x + 3 3x^2 - x + 3 2.Which of the following binomials is a factor of x^3 + 4x^2 +x - 6? 3. If a polynomial equation p(x) = 0 has 3 + 4i as a solution, what other solutions must it have?

Find an equation of a line that comes close to the points listed in the table.X|y
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10|13
12|15
16|18
18|21

Answers

y=x+2\nx=6\to y=6+2=8\nx=10\to y=10+2=12\nx=12\to y=12+2=14\nx=16\to y=16+2=18\nx=18\to y=18+2=20\n-----------------------\ny=x+3\nx=6\to y=6+3=9\nx=10\to y=10+3=13\nx=12\to y=12+3=15\nx=16\to y=16+3=19\nx=18\to y=18+3=21\n-----------------------\nAnswer:y=x+1.5

Solve for x.
4x-5/y=2z

Answers

So you don't know the value of x, y, or z; all you're told is to solve for x. This is not impossible (even though it may seem like it). Your answer will have several variables in it, but in algebra you won't always have the complete answer.
Start with the equation: 4x - 5 / y = 2z
The first thing you'll want to do to it is try to get x alone on one side.
4x - 5 / y = 2z
       +5       +5 --> 4x / y = 2z +5
                               *y           *y --> 4x = y (2z + 5)
                                                        /4              /4   --> x = (y (2z + 5)) / 4 
Your final answer will be: x = (y (2z +5)) / 4
Hope it makes sense to you!!
4x- (5)/(y)=2z \n + (5)/(y)\ \ \ \ \ \  +(5)/(y) \n 4x=2z+ (5)/(y) \n /4\ \ \ \ \ /4 \n \boxed{x= (2)/(4)z+ (20)/(y)}

The vertices of a right triangle are (6, 2), (–2, –4), and (–2, y). What is the value of y?



A.
–4


B.
–2


C.
2


D.
4

Answers

The answer should be C. 2
:P hope this helps you
The value of y is C. 2.

(6, 2), (-2, -4), (-2, 2)

16 is what percent of 64

Answers

16 / 64 is the same as 1/4 because 16 is 1/4 of 64.

1/4 in percent form is 25%

So, 16 is 25% of 64.
To get the solution, we are looking for, we need to point out what we know. 

1. We assume, that the number 64 is 100% - because it's the output value of the task. 
2. We assume, that x is the value we are looking for. 
3. If 100% equals 64, so we can write it down as 100%=64. 
4. We know, that x% equals 16 of the output value, so we can write it down as x%=16. 
5. Now we have two simple equations:
1) 100%=64
2) x%=16
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=64/16
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 16 is what percent of 64

100%/x%=64/16
(100/x)*x=(64/16)*x       - we multiply both sides of the equation by x
100=4*x       - we divide both sides of the equation by (4) to get x
100/4=x 
25=x 
x=25

now we have: 
16 is 25% of 64

HELP ASAP PLEASE!!!Explain how to tell if a point is a solution for a system of equations.

Answers

Explanation:

When you put the solution values into each equation, the equation becomes a true statement. If all equations become true statements, the point is a solution to the system.

_____

For example, consider the system of equations ...

  • x + y = 6
  • x - y = 4

The point (x, y) = (5, 1) is proposed as the solution. When we put those values into the equations, we get ...

  5 + 1 = 6 . . . . . true

  5 - 1 = 4 . . . . . .true

(x, y) = (5, 1) is the solution to this system of equations. (Since it is a system of two independent linear equations in an equal number of unknowns, we know there is only one solution.)

Mary and her family ordered a large pizza for dinner. Half of the pizza is plain and half of the pizza has pepperoni. Mary loves pepperoni so she ate 1/5 of the full pizza (all of which had pepperoni). How much of the remaining full pizza has pepperoni?

Answers

Answer:

3/10 of the renaming full pizza has pepperoni

Step-by-step explanation:

Here, we want to calculate how much of the remaining pizza had pepperoni.

From the question, 1/2 has pepperoni and 1/2 is plain without pepperoni

she eats 1/5 of the pizza having pepperoni, this means that she is actually left with some parts is the half having pepperoni

The actual of the half remaining with pepperoni will be 1/2 - 1/5 = 3/10

This means that 3/10 of the remaining full pizza has pepperoni