Pamela has 4 pink ribbons, 3 green ribbons, and 1 blue ribbon. what fraction of Pamela's ribbons are green?

Answers

Answer 1

Answer: The total number of ribbons is 8 because 4 + 3 + 1 is 8
The number of green ribbons is 3
That means that 3 out of the 8 ribbons are green
Answer: 3/8

Answer 2

Answer: 4 + 3 + 1 = 8
1 of those 8 is green
1/8

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Nine minus the quotient of two and a number x.
A fish tank is a cube. Its side length is 4 1/2 feet. The volume of water needed to completely fill the fish tank is ___ cubic feet.
Factor the expression on the left side of the equation. Then solve the equation.x³ - 2x² - 5x = 0 -5, 0, 3 0, -1 ± √24 0, -1 ± √6 0, 1 ± √6
Given: LK congruent NM,Kj congruent Mj Prove: LT congruent NJPLS PLS PLS HELP IM FAILING GEOMETRY RNNNNN
What is nine more than a number y, if that number is 4? 13 9 4 7

If they are drawn with replacement, what is the probability that both cards are 10s?

Answers

The probability that the second card is a queen should be the same as the probability that the second card is an ace, and the same as the probability that the second card is a 2 etc. There are 1313possibilities for the card number/letter, so the answer is 1/13

Suppose that you roll a pair of honest dice. If you roll a total of 6, you win $18; if you roll a total of 11, you win $72; if you roll any other total, you lose $9. Let X denote the payoff in a single play of this game. Find the expected value of a play of this game. Round your answer to the nearest penny.A.) - $0.50B.) − $1.00C.) $0D.) $0.75E.) − $0.75

Answers

You can roll a total of 6 by rolling (1, 5), (2, 4), (3, 3), (4, 2), or (5, 1). There are 36 total possible rolls that can be obtained, so you roll a total of 6 with probability 5/36.

You can roll a total of 11 by rolling (5, 6) or (6, 5), hence with probability 2/36 = 1/18.

Any of the other remaining 29 outcomes occurs with probability 29/36.

The expected value of your winnings is

$18*5/36 + $72*1/18 - $9*29/36 = -$0.75

so the answer is E.

Write 1 2568/10,000 in a decimal notation

Answers

12568/10000

The 10000 has four zeros, write 12568 as 12568.0, simply move the decimal point four places to the left, since 10000 has four zeros.

You have 1.2568 as the answer.

1.2568
It's simple....just follow these steps;
1. See the denominator(the number you are dividing with) which in this case is 10,000.
2. Now, since the denominator is a number that has "1" on the unit place (more examples of such numbers are 10, 100, 1000, 10000 etc.), follow the followig steps.
NOTE:- Do not follow these steps if such is not the case.
3. Count the number of zeros in the denominator.
4. Now, in this case we have 4 zeros, so start counting the digits in the numerator form right.
5. Put the decimal after number of digits equal to the counted zeros.
hope it helps... =)

The radius of a cylindrical gift box is (2x+3) in. The height of the gift box is twice the radius. What is the surface area of the cylinder? Write your answer as a polynomial form.

Answers

let "r" be the radius of cylinder and "h" be the height.
Formula for surface area is:

S= 2*r^2*pi + 2*r*pi*h

where 2*4^2*pi is surface of two bases of cylinder and 2*r*pi*h is surface of mantle.
One of the tasks conditions is that h = 2*r.

S = 2*r^2*pi + 2*r*2*r*pi

second and last condition is r=(2x+3). Now we express this as well.

S = 2*(2x + 3)^2 * pi + 4*(2x+3)^2*pi=6*pi*(2x+3)^2

S = 6*pi*(4x^2+12x + 9)
S = 24*pi*x^2 + 72*pi*x + 54*pi

Find the distance between the two points. Round to the nearest tenth if necessary.(8, 8), (12, 11)

7
5
25
28

9.
Find the distance between the two points. Round to the nearest tenth if necessary.

(–2, –6), (3, 9)

15.8
250
3.2
20

Answers

The distance formula is expressed as square root of the square of the difference of y's and the square of the difference of x's.
In 1) d = square root of (11-8)^2 + (12-8)^2 d = 5
In 2) d = square root of (9+6)^2 + (3+2)^2 d = 5 square root of 10 d = 15.81

Answer:

option B is correct

Option A is correct.

Step-by-step explanation:

Using distance formula:

$d = √((x_1-x_2)^2+(y_1-y_2)^2)$

Given the points:

(8, 8) and (12, 11)

then;

$d = √((8-12)^2+(8-11)^2) = √((-4)^2+(-3)^2) = √(16+9) =√(25) = 5$

Therefore, the distance between the two points is, 5 units.

Given the points:

(-2, -6) and (3, 9)

then;

$d = √((-2-3)^2+(-6-9)^2) = √((-5)^2+(-15)^2) = √(25+225) =√(250) = 15.8$

Therefore, the distance between the two points is, 15.8 units

Two equations are given below:a − 3b = 4
a = b − 2

What is the solution to the set of equations in the form (a, b)?

(−2, −2)
(−3, −1)
(−9, −7)
(−5, −3)

Answers

The solution to the set of equations in the form (a, b) is (-5, -3).

Hence, 4th option is the right choice.

What are simultaneous equations?

A system of equations, also known as an equation system or a set of simultaneous equations, is a finite collection of equations for which common solutions are found.

How do we solve the given question?

We are given two equations in a and b and are asked to find the solution to them. The equations are:

a - 3b = 4 . . . . . . . . . . . . . . (1)

a = b - 2 . . . . . . . . . . . . . . (2)

We substitute the value of a = b - 2 from (2) in (1) to get,

(b - 2) -3b = 4

or, b - 2 - 3b = 4.

or, b -2 - 3b + 2 = 4 + 2 (adding 2 two both sides of the equation)

or, -2b = 6 (simplifying)

or, -2b/(-2) = 6/(-2) (dividing both sides by -2)

or, b = -3 (simplifying)

Now, we substitute this value of b = -3, in (2) to get

a = (-3) - 2

or, a = -5.

∴ (a, b) = (-5, -3)

Learn more about simultaneous equations at

brainly.com/question/16863577

#SPJ2

Since the second equation gives a value for a, we can substitute it into the other equation to find a value for B.

Let's substitute b-2 into the first equation wherever there is an a.

a - 3b = 4
(b-2) - 3b = 4
b - 2 - 3b = 4
-2 - 2b = 4
-2b = 6
b = -3

Now let's find a by substituting -3 into either of the equations to find the value of a.

a = b - 2
a = -3 - 2
a = -5

So your solution set is (-5, -3)

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