There are 3 green cups, 4 red cups and 5 blue cups. What is the probability that at the top of the stack that there will not be a green cup

Answers

Answer 1
Answer: That is easy you have to had up all the numbers so therefore it would be

3+4+5=12

So there is 3 green cups, you would do 5/12 

So the answer would be 5/12



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a number is multiplied by 2. then that product is multiplied by 5. write to explain how you know what digit is in the ones place of the final product

Answers

If the number is a multiple of 2 and 5, it must also be a multiple of 10.

Al multiples of 10 end with a 0 in the ones place.

Final answer:

Multiplying any number by 2, and then by 5, results in the final product ending in 0, regardless of what the initial number was.

Explanation:

The question is about the identification of the digit in the ones place when a number is initially multiplied by 2 and that product is further multiplied by 5. Firstly, we know that any number multiplied by 2 will either end in 0, 2, 4, 6, or 8. This is because all multiples of 2 are even. Secondly, consider the product of this number (which may end in 0, 2, 4, 6, 8) being multiplied by 5. Any number ending with any of these digits, when multiplied by 5, will result in the product ending with 0. Hence, regardless of the initial number, multiplying it by 2 and then by 5 will result in a final product whose digit in the ones place is 0.

Learn more about Multiplication of Numbers

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Divide 25kg in a ratio of 2:3:5

Answers

The required answer is 25 kg in the ratio 2 : 3 : 5 = 5 : 7.5 : 12.5.

What is Ratio?

The ratio is defined as a relationship between two quantities, it is expressed as one divided by the other.

We have to divide 25 kg into the ratio 2 : 3 : 5

The ratio is given in the question

⇒ 2:3​:5

We can see that the sum of the parts of the given ratio as

⇒ 2 + 3 + 5 = 10 parts

Divide 25 by 10 to determine the value of one part of the ratio

So the value of 1st part of the ratio

⇒ 25 ÷ 10 = 2.5

Now, 2nd parts = 2 × 2.5 = 5

And, 3rd parts = 3 × 2.5= 7.5

And, 4th parts = 5 × 2.5= 12.5

So, 25 in the ratio 2 : 3 : 5 = 5 : 7.5 : 12.5

Therefore, the required answer is 25 kg in the ratio 2 : 3 : 5 = 5 : 7.5 : 12.5.

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2 + 3 + 5 = 10

25 ÷ 10 = 2.5

2.5 × 2 = 5
2.5 × 3 = 7.5
2.5 × 5 = 12.5

7.5 12.5

Find the volume please help

Answers

Answer:

204

Step-by-step explanation:

To find the volume of a rectanguar prism, you must multiply legnth x width x height to get the volume.

Before we multiply, first lets convert the fractions into improper fractions to make multiplying a little easier.

6 3/8 = 51/8

10 2/3 = 32/3

Now, we multiply.

[To multiply fractions, multiply the numerators and denominators.]

51/8 x 32/3

51 x 32 = 1632

8 x 3 = 24

1632/24 = 68

Now that we've multiplyed the length and height, multiply 68 by the width, 3.

68 x 3 = 204

Therefore, the volume of the rectangular prism is 204. I hope this helps!

About 204 inches.

Hope this helps!

Find the product. -320 * 7/16



A.
280


B.
140


C.
–140


D.
–280

Answers

-320 *  (7)/(16) = -140

The product of -320 and (7)/(16) is C. -140
((-320)(7))/(16)  \n  \n  (-2240)/(16)  \n  \n = -149

2 PointsIf y(x) = x - 2, which of the following is the inverse of Ax)?
O . F'(x) = 2 - x
O B. f'(x) = x-2
O c. f'(x) = 2x
OD. F'(x) = x+2

Answers

Answer:

D

Step-by-step explanation:

let y = x - 2 and rearrange making x the subject, that is

y = x - 2 ( add 2 to both sides )

y + 2 = x

now change x to f^(-1) (x) and y back to x, thus

f^(-1)(x) = x + 2 → D

What is the equation of the line –3x–2y=30 in slope-intercept form?

Answers

Answer

y = (-3/2)x - 15


Explanation

The general linear equal in slope intercept form is y = mx + c.

Where m is the slope and c is the y-intercept.

–3x–2y=30 in slope-intercept form

–3x–2y=30

-2y = 3x + 30

y = (-3/2)x - 15

Answer:

y = (-3)/(2)x - 15  

Step-by-step explanation:

We are given the following information in the question:

We are given equation of line:

-3x-2y = 30

The slope intercept form of a straight line is given by:

y = mx +c

where m is the slope of the line and c is the y intercept of the line.

Considering the given equation of the line:

-3x-2y = 30\n-2y = 3x + 30\ny = \displaystyle(3x + 30)/(-2)\n\ny = (-3)/(2)x - 15

is the required form of line.

where the slope of the given line is m = (-3)/(2) and y-intercept is c = -15