Of 750 people surveyed, 440 were male and 345 had cell phones. Of those with cell phones, 205 were female. What is the probability that a person surveyed was male or had a cell phone?

Answers

Answer 1

before i continue my keyboard is malfunctioning so bear with me

answer:

25/68

Step-by-step explanation:

total number-750

males-440

females-750-440=310

those with Cell -345

females with cell -205

males-345-205=140

male with cell -140/345

=25/68

Answer 2

Answer:

25/68

Step-by-step explanation:

total number=750

Male=440

Female=750-440

=310

People with cell phone= 345

Female with cell phone=205

Male=345-205

=140

Male with cell phone=140/345

=25/68


Related Questions

Please help me,Please I have a class in 2 hours Please help me​

Answers

To find the perimeter of a shape you add all the side lengths together.

Perimeter of A is 20cm because 7+7+3+3=20

Perimeter of B is 27cm because 9+8+10=27

Perimeter of C is 17cm because 6+6+5=17

Perimeter of D is 34cm because 10+10+4+4+3+3=34

On shape E there is one side length that we do not know. To find that do 8-3=5 because 5+3 would be the opposite side of the 8. Now do 5+8+8+4+12+3=40 cm which is the perimeter of shape E.

I hope this helps you have a good day

Find the volume of the sphere. Round your answer to the nearest tenth. A sphere is shown with a diameter of 12 yards. The volume is about cubic yards.

Answers

We know:

[tex]{{ \diamond\diamond \quad{ \boxed{ \pink{ \sf{Volume \: of \: Sphere ={ \large{ \frac{4}{3} \pi {r}^{3} }}}}}}} \quad \diamond \diamond}[/tex]

where,

Radius (r) = Diameter/2 = 12/2 = 6 yards. Pi (π) = 22/7

[tex] \: [/tex]

[tex]{\longrightarrow {\sf{Volume \: of \: Sphere \: = \: { \large {\frac{4}{3} \times \frac{22}{7} \times {6}^{3} }}}}}[/tex]

[tex] {\longrightarrow {\sf{Volume \: of \: Sphere \: = \: { \large{ \frac{88}{21} \times 6 \times 6 \times 6 }}}}}[/tex]

[tex] {\longrightarrow {\sf{Volume \: of \: Sphere \: = \: { \large{ \frac{88}{21} \times 216 }}}}} [/tex]

[tex] {\longrightarrow {\sf{Volume \: of \: Sphere \: = \: { \large{ \frac{19008}{21} }}}}} [/tex]

[tex] {\longrightarrow {\sf{Volume \: of \: Sphere \: = \: { \large{ { \boxed{ \red{ \sf{905.14 {yards}^{3} }}}}}}}}} [/tex]

Thus, The volume of Sphere is 905.14yards³. (Approx.)

please help! question in the picture. thank you!!!​

Answers

Answer:

3 timesV = 1/3Bh

Step-by-step explanation:

A prism has a uniform cross-section equal in area to its base area. The volume of a prism is the product of this cross-section area and the length between the parallel bases.

__

A pyramid or cone has a cross section whose linear dimension is directly proportional to the distance from the peak. The volume is 1/3 of the product of the base area and the height.

  V = (1/3)Bh . . . . . formula for volume of a pyramid

__

Since the pyramid volume is 1/3 that of a prism with the same overall dimensions, the prism has 3 times the volume of the pyramid.

What is the surface area of the solid that this net can form? a net has 2 rectangles. one rectangle has a base of 25 millimeters and a height of 21 millimeters. the other rectangle has a base of 41 millimeters and height of 5 millimeters. 730 square millimeters 875 square millimeters 1,000 square millimeters 1,444 square millimeters

Answers

The surface area of the solid is the sum of all the net shapes. The surface area of the solid that this net can form is  730mm²

Surface area of a solid

The surface area of the solid is the sum of all the net shapes.

Given the following parameters

The rectangle has a base of 25 millimeters and a height of 21 millimeters will have an area of 525mm²

The other rectangle has a base of 41 millimeters and height of 5 mm has an area of 205mm²

TSA = 525 + 205
TSA = 730mm²

Hence the surface area of the solid that this net can form is  730mm²

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please answer all questios with explanations giving 50 points and brainliest please answer correct too thanks have a bootiful day ;)

Answers

Answer:

1. See attached

2. largest value = 3 ³/₄ in

3. smallest value = 1 ¹/₂ in

4. It snowed 3 ¹/₄ inches for 3 days

5. To find the two values, add 3 to the smallest value:

⇒ 1 ¹/₂ + 3 = 4 ¹/₂ in

Or subtract 3 from the largest value:

⇒ 3 ³/₄ - 3 = ³/₄ in

Find the equation of the straight line passing through the point (3,5) which perpendicular y=3x +2 to the line​

Answers

The equation of the straight line that passes through the point (3,5) which is perpendicular to the line y = 3x + 2 is x -3y -18=0

What is an equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

To find the equation of the straight line passing through the point (3,5) which is perpendicular to the line y = 3x + 2, we will first find the slope(m).

To find the slope m of the perpendicular equation;

y = 3x + 2 --------------(1)

comparing the equation above with the standard equation of a circle

y=mx + c

m=3

The slope of the perpendicular equation;

 = -1

3 = -1

Divide both-side of the equation by 3

= -1/3

so, the slope of our perpendicular equation is -1/3

Then, we go ahead to find our intercept

To find the intercept, we will plug in the points and the new slope into the formula y =mx + c

5 = -(3) + c

5 = -1 +c

Add one to both-side of the equation

5+1 = -1 + c + 1

6 =c

c=6

our intercept c is equal to 6

so we can now proceed to form our equation.

y = - x  +  6

Multiply through by 3

-3y = -x + 18

We can rearrange the equation, hence;

x -3y -18=0

Therefore the equation of the straight line that passes through the point (3,5) which is perpendicular to the line y = 3x + 2 is x -3y -18=0

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Suppose a 12 acre plot of land is being divided into 1/4 acre lots for a hosing development. How many lots will there be in the development.​

Answers

Answer:

48 lots

Step-by-step explanation:

Find the volume of this cone round your answer to the nearest whole number use 3.14 for pi diameter = 5 mm, height = 6 mm

Answers

Answer:

Answer = 39.25 or 39 if rounded to the nearest whole number

Step-by-step explanation:

The formula for finding the volume of a cone is h(pi)(r^2)/3. We know that the height is 6 and the diameter is 5. Since we know the diameter we know that the radius is 2.5 since it is one half of the diameter. Now that he know the radius and height we can plug the values into the equation to get V=39.25

Hope that helps! :)

An empty lorry weighs 3500kg. It weighs 7250 kg when loaded with 50 bags of coffee .What is the average mass of each bag ?

Answers

Answer:

The average mass of one coffee bag is 75kg.

Step-by-step explanation:

The lorry on its own weighs 3500kg.

If it weighs 7250kg alongside coffee bags, we can make the assumption that to find the total mass of the coffee bags, we must take the combined total and subtract the lorry's weight from it.

7250kg subtract 3500kg is 3750kg.

There are 50 coffee bags, so this is the mass of all 50.

If we want to find the mass of one coffee bag, we have to divide the mass of 50 coffee bags by 50.

3750kg divided by 50 is 75kg.

The average mass of one coffee bag is 75kg.

Reciprocal of 1/y where y not equals to 0

Answers

Answer:

y (y/1)

Step-by-step explanation:

the reciprocal of a number is basically what it needs to multiply to to equal to one

so basically you flip the numbers

1/y s reciprocal would be y/1 which is also just y

Answer: y

Step-by-step explanation:

in 130426 the digit 2 is in the ____ place?

Answers

Answer:

A Tens place.

Step-by-step explanation:

last 2 digits are twenty six.

tens place because it’s the second

Joe paid 14.00 for a board game this is 70 of the original price what was the original price

Answers

Answer:4.2

Step-by-step explanation:

14 times 70% subtracted from 4.2

The original price or cost price of a board game is 20.

What is cost price?

The cost price is the price at which "goods are bought by merchant or retailer".

According to the question,

Joe paid 14.00 for a board game which is 70% of the original price or cost price.

In order to find cost price or original price. Let 'x' be the original price or cost price

70%  =  14

100% = x

x = [tex]\frac{1400}{70}[/tex]           [cross multiplication]

=20

Hence, the original price or cost price of a board game is 20.

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What is the answer to this

Answers

Answer:

193 m²

Step-by-step explanation:

Let us separate the figure into three parts:

One right angled triangle, square and rectangle.

right angle triangle having height(h) = (10+5+3)m = 18m

base of right angled triangle(b) = 25-(8+4)m = 13m

length of square(l) = 8m

length of rectangle (a) = 4m

breadth of rectangle (w) = 3m

[tex]total \: area \: of figure = area \: of \: triangle + area \: of \: square + area \: of \: rectangle[/tex]

[tex] = \: ( \frac{1}{2} \times b \: \times h ) \: + ({l}^{2} )\: + (a \: \times w)[/tex]

[tex] = (\frac{1}{2} \times 13 \times 18) + {8}^{2} + (4 \times 3)[/tex]

[tex] = 193 \: {m}^{2} [/tex]

writes 25 x 10 to the power of 6

Answers

[tex](25*10)^6[/tex]

Sure hope this helps you

And please mark me brianiest if this is correct

Which expression could represent the phrase shown? (1 point)

"Subtract 2 from 6, then divide by 3"

Group of answer choices

3 ÷ 6 − 2

3 ÷ (2 − 6)

(2 − 6) ÷ 3

(6 − 2) ÷ 3

Answers

Answer:

(6-2)÷3=1

this is the answer

follow me :)))

If Dwight Johnson has 7 courses to choose​ from, how many ways can he arrange his schedule if he must pick 4 of​ them?

Answers

Answer:

35 ways

Step-by-step explanation:

[tex]_7C_4=\frac{7!}{4!(7-4)!}=\frac{7!}{4!*3!}=\frac{7*6*5}{3*2*1}=\frac{210}{6}=35[/tex]

Therefore, Dwight can arrange his schedule in 35 ways if he must pick 4 out of 7 courses to choose from.

What's the circumference of a circle with a diameter of 9 inches?
Use 3.14 for π.
C = [?] inches
Enter the number that belongs in the green box. Do not round your answer.
Hint: C = πd

Answers

Answer:

C = 28.26 in

Step-by-step explanation:

the circumference (C) is calculated as

C = πd ( d is the diameter ) , then

C = 3.14 × 9 = 28.26 in

[tex]\rule{300}{1}\\\dashrightarrow\large\blue\textsf{\textbf{\underline{Given question:-}}}[/tex]

                 What's the circumference of a circle with a diameter of 9 inches?

[tex]\dashrightarrow\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}[/tex]

  We are asked to find the circumference of a circle, which we can find using the following formula:-

[tex]\bold{Circumference{(circle)}=\pi d}[/tex]

Where:-π=pi [3.14…]d=diameter (9 inches)

How to solve for circumference:-

Replace d with 9 and multiply:-

[tex]\hookrightarrow\sf{C=3.14\times9}[/tex]

[tex]\bigstar[/tex] On simplification,

[tex]\hookrightarrow\sf{C=28.26\:inches}[/tex]

Notice that we are not asked to round our answer, so we leave it like that - C=28.26.

Good luck with your studies.

                  [tex]\rule{200}{2}[/tex]

A person can read 24 pages of a book in 1/3 of an hour. What is this person's reading rate in pages per hour?

72

48

12

8

Answers

1/3 of an hour = 20 mins
20 mins - 24 pages
hour (60 mins) - 24x3 = 72
The answer is 72. 24 pages in 1/3 of an hour. So 24x3=72 which is total rate of pages in an hour.

the fully simplified form of 2ab÷(8a) is:
A) [tex]\frac{2ab}{8a}[/tex] B) [tex]\frac{4}{b}[/tex] C) [tex]\frac{b}{4}[/tex] D) 4b E) 4a

Answers

Answer:

b/4

Step-by-step explanation:

After rewriting the quotient as a fraction,

[tex]\dfrac{2ab}{8a}[/tex]

We can look for common factors to reduce it. 8a and 2a both have the common factor 2a, and since 2a = 1 · 2a and 8a = 4 · 2a, we can reduce our fraction down to

[tex]\dfrac{1\cdot2a\cdot b}{4\cdot2a}=\dfrac{1\cdot b}{4}=b/4[/tex]

There are 2022 kangaroos and some koalas living across seven parks. in each park the number of kangaroos is equal to the number of koalas in all the other parks. how many koalas live in the seven parks in total

Answers

Answer:

337

Step-by-step explanation:

I remember this from UKMT maths challenge.

Let the number of kangaroos in each of the seven parks be , , , , , and with the

corresponding number of koalas being , , , , , and . The question tells us that the

number of kangaroos in any park is equal to the sum of the numbers of koalas in the other six

parks. Therefore we have

= + + + + + ,

= + + + + + ,

= + + + + + ,

= + + + + + ,

= + + + + + ,

= + + + + + ,

= + + + + + .

Adding these equations, we obtain

+ + + + + + = 6( + + + + + + ).

The total number of kangaroos in the seven parks is 2022. Hence

+ + + + + + = 2022.

Therefore

2022 = 6( + + + + + + )

and hence the total number of koalas in the seven parks is

+ + + + + + = 2022 ÷ 6 = 337.

PLEASE HELP!! I WILL MARK BRAINLEST!

Which of the following is the best buy?

4 lb. for $27.60

6 lb. for $41.28

7.5 lb. for $51.63

8 lb. for $55.12

Answers

$27.60/4 = $6.90
$41.28/6 = $6.880
$51.63/7.5 = $6.884
$55.12/8 =$6.89

6 lb for $41.28 is the best deal!
B. 6lb for $41.28
would be the best answer

Which side of a right triangle has the longest length?

Answers

Answer:

hypotenuse

Step-by-step explanation:

A hypotenuse is the longest side of a right triangle. It's the side that is opposite to the right angle (90°)

n (a)–(e), say whether the quantity is changing in a linear or exponential fashion. a. A savings account, which earns no interest, receives a deposit of $723 per month.

Answers

Using function concepts, it is found that since the savings account receives no interest, the quantity is changing in a linear fashion.

When is a function changing in linear and in exponential function?

If the rate of change is a constant value, the change is linear.If the rate of change involves a proportion or a percentage, the change is exponential.

In this problem, the rate of change is a constant of $723 each month, hence the quantity is changing in a linear fashion.

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11. A car can travel 90 miles on 3 gallons of gasoline. How far can it travel on 13 gallons?​

Answers

Answer:

390 miles

Step-by-step explanation:

90/3 = 30

30x13 = 390

SOMEBODY PLEASE HELP ME

Answers

Answer:

Step-by-step explanation:

I need help! Find the measure of all sides. Round to the nearest tenth.

Answers

Answer:

BA=15

CA=15/2=7.5

[tex] cb \:= \frac{15 \sqrt{3}} {2} = 13[/tex]

*ANSWER*

What is the value of x?
x =6

Answers

Answer;

10

Step-by-step explanation:

from the question we observed that the shape is a right angled triangle.

and according to Pythagoras theorem, In a right angled triangle the square of the hypothenus is equal to the square of the sum of the other two side

hypothenus = 10

10^2= 8^ + X^2

100= 64 +X^2

X^2 = 100-64

X^2 = 36

X = √36

X= 6

PLASS HELP ITS WORTH 20 points

Answers

Answer:

9. 21

10. QP, 8, 18

Step-by-step explanation:

9.

2(4x-65) = 2x-4

6x = 65*2-4 = 126

x = 21

10.

a. QP

b. 8

c. 18

The annual fundraising goal of a college is $100,000. so far $58,743 has been raised. how much more money is needed to reach the goal?

Answers

Answer:

41,257

Step-by-step explanation:

100,000

-

58,743

-------------

41,257

The amount that is needed to reach the goal is $41257 if the annual fundraising goal of a college is $100,000. so far $58,743 has been raised.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The annual fundraising goal of a college is $100,000.

Let x be the amount that is needed to reach the goal.

The linear equation in one variable can be framed as follows:

x + 58,743 = 100,000

x = 100,000 - 58,743

x = $41257

Thus, the amount that is needed to reach the goal is $41257 if the annual fundraising goal of a college is $100,000. so far $58,743 has been raised.

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A rectangle has an area of 4y2 – 49 square
units. What are the dimensions of the
rectangle?

Answers

Answer:

D. (2y - 7) units by (2y + 7) units

Step-by-step explanation:

[tex]A(rectangle) =4y^2-49[/tex]

[tex]\implies A(rectangle) =(2y)^2-(7)^2[/tex]

[tex]\implies A(rectangle) =(2y-7)(2y+7)[/tex]

-> D(rectangle) = (2y-7) units by (2y + 7) units
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