Assume that when adults with smartphones are randomly selected , 44% use them in meetings or classes. If 8 adult smartphone users are randomly selected , find the probability that exactly 3 of them use their smartphone in meetings or classes

Answers

Answer 1

Answer:

you just answered your own question


Related Questions

Simplify (3xy)^5/x^3

Answers

Answer:

[tex]243 {x}^{2} {y}^{5} [/tex]

Step-by-step explanation:

[tex] \frac{(3xy {)}^{5} }{ {x}^{3} } [/tex]

[tex] \frac{243 {x}^{5} {y}^{5} }{ {x}^{3} } [/tex]

simplify:

[tex]243 {x}^{2} {y}^{5} [/tex] ✅

6 less than 8 times a number (x) is equal to 14

Answers

Answer:

8x-6=14

Step-by-step explanation:

Whenever you see less next to a number, you know it's gonna be -6. If it said 6 minus 8x though, then you would do 6-8x etc. Hope this helped.

12 more than x
algebra expression

Answers

Answer:

the expression + 12

Step-by-step explanation:

anything that has 'than' after it will be comparing "a" and "b" will be switched

a: 12

b: the expression

a more than b

it'll become

'b + a'

because its comparing both variables of which one is greater than the other in terms of quantity

Answer: 12 + x

Concept:

In mathematics, there are four general wordings for operations:

Addition (+): more than, adding toSubtraction (-): minus, less thanMultiplication (×): multiplied, the product of A and BDivision (÷): Divided by, the quotient of A and B, divide

Solve:

Given expression

12 more than x

Find the corresponding operation

more than →→ refers to addition

(Refer to the list above)

Apply the operation to the expression

[tex]\boxed{12+x}[/tex]

Hope this helps!! :)

Please let me know if you have any questions

5x + 4m = 43my + 6 solve for m

Answers

9514 1404 393

Answer:

  m = (5x -6)/(43y -4)

Step-by-step explanation:

Subtract 4m+6 to separate m-terms from other terms.

  5x +4m -(4m +6) = 43my +6 -(4m +6)

  5x -6 = 43my -4m

  5x -6 = m(43y -4) . . . . factor out m

 (5x -6)/(43y -4) = m . . . . divide by the coefficient of m

0.189 divided by 1.75=

Explain your answer

Answers

Answer:

0.189x1000=189

1.75x1000=1750

189÷1750 = 0.108

PLEASE ANSWER QUICK 70 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Identify the property that justifies each step asked about in the answer area below.
Line 1: (9+x)x
Line 2: x(9+x)
Line 3: x(x+9)


Line 1 to Line 2:______________
Line 2 to Line 3:_______________

Answers

Line 1 to 2: Commutative Property of Multiplication, because all that changed was the order of the things being multiplied.
Line 2 to 3: Commutative Property of *Addition*, because all that changed was the order of the things being added.

All that changed in either step was the ordering of the things being multiplied or added. That’s the commutative property.

Answer:

The answer above me is correct!

Step-by-step explanation:

Give them BRAINLIEST! have a good day<3 :)

Calculate the area of this figure. Round your answer to the nearest tenth.

Answers

Answer:

Step-by-step explanation:

The figure is divided into a rectangle and a right-triangle.

The area of the figure is the sum of the individual areas of the rectangle and triangle

Area of rectangle = Length x Width = 10 ft x 8 ft = 80 ft²

Area of triangle = 1/2 x Base X Height = 1/2 x 6 ft x 8 ft =24ft²

Hence, the area of the figure is:

80 ft²+ 24ft² = 104 ft²

Answer:

104 ft^2

Step-by-step explanation:

The figure consist a rectangle and a triangle

to calculate triangle's area we multiply height and base then divide it  by two

the height of the triangle is 8 ft (the given is a special right triangle)

8*6/2 = 24 ft^2

to calculate the area of the rectangle we multiply width and length

8*10 = 80 ft^2 the total area of the figure is :

24 + 80 = 104 ft^2

Find the equation of the
line in standard form with
slope m = - 1/3 and
passing through the point
(1, 1/3).

Answers

Answer:

y=-1/3 x +2/3

Step-by-step explanation:

all steps are in picture

someone to help me complete this and explain how to do it, please

42x2 y4 − 41xyz3

Answers

Answer:

use cymath

Step-by-step explanation:

Find a8 when a1= 9, d = 4 of the arithmetic sequence whose first term is a1 and common difference is d.

Answers

General Arithmetic Terms

[tex] \displaystyle \large{a_n = a_1 + (n - 1)d}[/tex]

We want to find a8; we know:

a1 = 9d = 4

Substitute in the formula.

[tex] \displaystyle \large{a_n = 9 + (n - 1)4} \\ \displaystyle \large{a_n = 9 + 4n - 4} \\ \displaystyle \large{a_n = 4n + 5}[/tex]

To find a8, substitute n = 8

[tex] \displaystyle \large{a_8= 4(8) + 5} \\ \displaystyle \large{a_8= 32 + 5} \\ \displaystyle \large{a_8= 37}[/tex]

Hence, the 8th term of sequence is 37

Order the numbers from least to greatest.

1.25, 11, -0.41, -0.41111..., -16, 3/7

Answers

Answer:

[tex] - 16 < - 0.41111... < -0.41 < \frac{3}{7} < 1.25 < 11[/tex]

Step-by-step explanation:

[tex] \frac{3}{7} = 3 \div 7 = 0.428...[/tex]

The difference of 5 times a number and 7 equals 53.

Translate

Answers

Answer:

difference means subtraction operation.

let the number be n :

[tex](5 \times n) - 7 = 53[/tex]

arrange the equation:

[tex]5n - 7 = 53[/tex]

______________________________________

---------------------------♦ end ♦----------------------------------

further more [ getting value of n ]

add 7 on all sides:

[tex](5n - 7) + 7 = 53 + 7 \\ 5n = 60[/tex]

divide all sides by 5:

[tex] \frac{5n}{5} = \frac{60}{5} \\ \\ n = 12[/tex]

work ou the value of 19+7÷2-5

helllppp pls ​

Answers

Answer:

17 1/2

Step-by-step explanation:

19+7÷2-5

Solve using PEMDAS

Divide first

19 + 7/2 -5

Then add and subtract from left to right

Getting a common denominator

38/2 + 7/2 - 10/2

45/2 - 10/2

35/2

17 1/2

1.) A six-sided number cube is rolled, and the spinner
below is spun. Determine the probability of rolling a 3 and
spinning blue. (B=blue, R=red) Express your answer as a
fraction, a decimal, and a %.

Answers

Answer:

Step-by-step explanation:

The question is not totally clear. I will assume that the spinner has 2 colors, red and blue.

Your chances of rolling a 3 are 1 in 6 = 1/6

Your chance of getting blue is 1/2

Your chances are 1/2 * 1/6 = 1/12

As a decimal that is 0.0833333

As a % it is 8.3333 %

What is the value of (x – 3) if – 5(3x – 9) = -15?

Answers

(X-3)(-15x+45)=-15
-15x2 +45x+45x-135=-15
-15x2+90x=-15+135
-15x2+90x=120

The value of the required expression (x- 3 ) using the given equation -5(3x - 9) = -15 is equal to 1.

Let's solve for the value of "x" in the given equation:

-5(3x - 9) = -15

First, distribute the -5 on the left side of the equation:

-15x + 45 = -15

Now, subtract 45 from both sides to isolate the term with "x":

-15x = -60

Divide both sides by -15 to solve for "x":

x = 4

Now that we have the value of "x," we can find the value of (x - 3):

x - 3

= 4 - 3

= 1

Therefore, the value of (x - 3) is 1.

learn more about value here

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What is the formula for simple interest?

Answers

Answer:

A = P (1 + rt)

A = final amount

P = initial principal balance

r = annual interest rate

t = time (in years)

Step-by-step explanation: brainliest plz

A = P(1 + rt)

The answer needs to be 20 characters but this is the formula for simple interest.

HELP please help help

Answers

Answer:

4778.4

Step-by-step explanation:

The volume of a cone is given by:

(π•r²•h)/3

(π•13²•27)/3

(π•169•27)/3

(4,563•π)/3

14,334.66/3=4778.4

Volume of a cone=πr²×h×1/3
=π×13²×27×1/3
=1521π
≈4778.36243
≈4778.4

Hope my answer helped u :)

Darnelle works for a real estate agent. She receives a basic wage of $250 per week plus commission on sales. The rate of commission is variable. For houses up to $300,000 the commission is 0.5%. For houses over $300,000, the commission is an additional 0.25% on the amount over $300 000. How much pay did she receive in the week she sold a house for
a. $280 000
b. $428 000

Answers

Answer:

For option A she would receive $1,690. For house B, she would receive $2,070 for a weeks worth of pay.

Step-by-step explanation:

Please mark Brainliest if this helped :)

Which of the following is equivalent to 3 up 4

7

81

12

64

Answers

Answer:

81.

If it wrong, then sorry.

Find the volume of the cylinder.
Either enter an exact answer in terms of it or use 3.14 for T.

Answers

Answer:

188 units cubed

Step-by-step explanation:

The volume formula for a cylinder :
V= pi R^2h

Radius = 5pi
Height = 6

V= pi (5)^2 times 6 = 471.2389

What is the volume of the following rectangular prism?

Answers

Answer:

[tex]volume \: of \: rectangular \: prism = base \: area \: \times height \\ \\ = length \times width \times height[/tex]

A garden table and a bench cost $853 combined. The garden table costs $47 less than the bench. What is the cost of the bench?

Answers

Answer:

the cost of the bench is $806

Step-by-step explanation:

853 minus 47 is 806

Can a set of data having two modes have two points of central tendency

Answers

Answer:

The  Measure of Central Tendency are

1. Mean

2. Median and Quartiles

3. Mode

4. Geometric Mean

5. Harmonic Mean

→When all the five Measure of Dispersion are Same, it means the two data sets have Identical Variate.

→Now consider the two data sets,

A=3,4,4,5

B=1,4,4,7

Both the Data set have , same mean, median, and Mode,which is equal to 4.

→When you will consider, First three as Measure of central tendency ,then it becomes incorrect statement ,that Data Set are same.

Step-by-step explanation:

A measure of central tendency is a descriptive statistic

The correct response to the question is as follows;

Yes; A data having two modes can have two points of central tendency

The reason a dataset having two modes can have two points of central tendency is as follows:

A dataset having two modes is said to be bimodal

A dataset having three modes is said to be trimodal

A dataset having more than three modes is said to be multimodal

A measure of central tendency is a type of summary statistics that is a

single value representing the center point, or average of a set of data

thereby providing a description of the data by telling the middle value, the

average or the most common value which is the mode

As can be seen from the given example, by having two modes, a bimodal

data set describes a data that has two points of central tendency, thereby

giving a description of the data type, which for example may a collection

of the height of individuals, male and female, that have two most common

height values for each gender

Therefore, the correct response is yes, a dataset having two modes can

have two points of central tendency because the mode is a measure of

central tendency which is a descriptive statistics

Learn more about the measures of central tendency here:

https://brainly.com/question/17762288

https://brainly.com/question/16964486

equivalent expressions-8(3r-4)-6

Answers

[tex]\huge\text{Hey there!}[/tex]

[tex]\huge\text{-8 (3r - 4) - 6}[/tex]

[tex]\huge\text{= -8(3r) + (-8)(-4) - 6}[/tex]

[tex]\huge\text{= -24r + 32 - 6}[/tex]

[tex]\huge\boxed{\textsf{COMBINE the LIKE TERMS}}[/tex]

[tex]\huge\text{= -24r + 6}[/tex]

[tex]\huge\boxed{\mathsf{Answer: {= -24r + 6}}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

I NEED HELP ON THIS!!!

Look at the triangle below.

Which equation is equivalent to the law of cosines?


A

a2=c2−2cx+h2


B

a2=c2−2cx+x2+h2


C

a2=c−x2+h2


D

a2=c2−x2+h2

Answers

Answer:

I believe the answer is B. a^2 = c^2 - 2cx + x^2 + h^2

Step-by-step explanation:

The law of cosines states: c^2 = a^2 + b^2 - 2bc * cos(C). If we plug in the values from the diagram, we'll have (c-x)^2 = a^2 + h^2 -2ah * cos(90)

cos(90) = 0, so now we have just (c-x)^2 = a^2 + h^2

Let's expand this to c^2 -2cx + x^2 = a^2 + h^2

Isolate a^2 and we now have a^2 = c^2 -2cx + x^2 + h^2

pls vote me brainliest if i was able to help you!! <3

9 = n – 4pppppppllllllllsssssssssss help

Answers

Answer:

5

Step-by-step explanation:

Reverse it into n+4 = 9

The answer is 5

Please mark me as brainliest if that helped

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

[tex]n = 13[/tex]

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

[tex]\boxed{\text{Solving for 'n'...}}\\\\9 = n - 4\\-------------\\\rightarrow n - 4 = 9\\\\\rightarrow n - 4 + 4 = 9 + 4\\\\\rightarrow \boxed{n=13}\\[/tex]

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.

What is the least three-digit whole number that has exactly five positive factors?

Answers

The number 100 and that’s the only one I can think of

There is no three-digit whole number that has exactly five positive factors.

The prime factorization of a number with five factors will be of the form p⁴ or p²q, where p and q are distinct prime numbers.

p⁴:

The smallest prime number greater than or equal to 10 is 11.

So, let's consider 11⁴:

11⁴ = 14641 (which is a five-digit number)

p²q:

To minimize the number, we need the smallest prime numbers possible. The two smallest prime numbers greater than 10 are 11 and 13.

Let's consider the product of these two primes:

11² × 13 = 1573 (a four-digit number)

To learn more on Number system click:

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LOUNGE SUITE FOR SALE Selling Price-R15 000 Deposit -15% of selling price Monthly Payments - R800 Repayment period 24 months calculate the loan amount

Answers

Answer:

610023626728387383838

b^3-21/5b+9 when b = 3

Answers

Answer:

-21b + 180 / 5

Step-by-step explanation:

Hey there!

b^3 - 21/5b + 9

= 3^3 - 21/5(3) + 9

= 27 - 63/5 + 9

= 72/5 + 9

= 117/5

Answer: 117/5

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Write the equation of the line that passes through the points (2, -6) and (8, -2).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.

Answers

Answer:

y + 6 = 2/3 (x - 2)

Step-by-step explanation:

Step 1. Find the slope

m = slope

m = change in y/change in x

m = (y2 - y1)/(x2 - x1)

points: (2, -6) & (8, -2)

m = (-2 - -6)/(8 - 2)

m = 4/6

m = 2/3

Step 2. Create the point-slope equation by using the slope and the first point

Point-slope formula: y - y1 = m(x - x1)
Where m = slope and (x1, y1) = first point

Point-slope form: y + 6 = 2/3 (x - 2)

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