Jemma surveyed the students at her school to find out if they like the beach and/or the mountains for vacation. The table below shows the results of the survey: Like Beach Do Not Like Beach Total Like Mountains 36 28 64 Do Not Like Mountains 56 38 94 Total 92 66 158 If a student does not like the mountains, what is the probability that student also does not like the beach? 39. 1% 40. 4% 59. 5% 60. 8%.

Answers

Answer 1

Probability of an event is its chance of . The probability that a student not liking mountains doesn't like beach is: Option b: 40.4%

How to calculate the probability of an event?

Suppose that there are finite elementary events in the sample space of the considered experiment, and all are equally likely.

Then, suppose we want to find the probability of an event E.

Then, its probability is given as

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text{Number of total cases}}[/tex]

Where favorable cases are those elementary events who belong to E, and total cases are the size of the sample space.

For the given case, from the table (image attached below), we can see that, there are total 94 students who do not like mountains. Now, out of those 94, there are 38 students not liking beach.

Thus, if A = a student not liking beach

B = not liking mountains,

Then ,

P(A|B) = P(A ∩ B)/P(B) = [tex]\dfrac{38/158}{94/158} = \dfrac{38}{94} \approx 0.404 = 40.4\%[/tex]

Thus, probability of a student not liking beach given that that student doesn't like mountains is 40.4% approx.

Learn more about probability here:

brainly.com/question/1210781

Jemma Surveyed The Students At Her School To Find Out If They Like The Beach And/or The Mountains For
Answer 2

Answer:

40.4%

Step-by-step explanation:


Related Questions

4-(3x+3)=4x
The way I did was
4-3x+3=4x
Then i group the x
3x-4x=

Now that’s where I got stuck

Answers

Answer:

4-(3x+3)=4x

4-3x-3=4x

4-3=4x+3x

1=7x

x=1/7

or

4-(3x+3)=4x

4-3x-3=4x

-3x-4x=-4+3

-7x=-1

x=-1/-7

-/-=+

so -1/-7 it equal to 1/7

you dont want negative x

x=1/7

Answer:

1/7

Step-by-step explanation:

Take your equation: 4-(3x+3)=4x

Then, use the distributive property to carry out the negative sign, so you get   4-3x-3=4x

Add 3x to both sides to get:  4-3=4x+3x

Add like terms together to get:  1=7x

Flip the sides to get: 7x=1

Divide by 7 on both sides to get 7x/7=1/7

Simplify to get: x=1/7

The x coordinate is zero and
the y coordinate is positive so what quadrant are they located in

Answers

you have to give us more context so that we can answer this

Answer:

If the x-coordinate is (0,0) and the y-coordinate is positive, it is not technically in any quadrant because it is located on the line and not in any quadrant.

Step-by-step explanation:

Which equation has the same missing number as the given equation?

Answers

Answer:

The first one would be the answer!

Step-by-step explanation:

318= 218+100 hope this helps:)

Answer:

The first choice

Step-by-step explanation:

318 - 100 = 218 so

218 + 100 must = 318

the first choice

Describing a System of Equations
Describe a system of linear equations that has no solution.

Answers

Answer:

If a system has no solution, it is said to be inconsistent . The graphs of the lines do not intersect, so the graphs are parallel and there is no solution.

Answer:

Sample Response/Explanation: A system consisting of lines that do not intersect will have no solution. Lines will not intersect if they have the same slope, but different y-intercepts. Parallel lines have the same slope, which means they will never intersect.

Step-by-step explanation:

A trapeziod is always an example of

Answers

Answer:

quadrilateral

Step-by-step explanation:

A square has side length 2x+5 . Find its area.

Answers

Answer: 4x^2 + 20x + 25

Step-by-step explanation:

(2x + 5)^2 = 4x^2 + 20x + 25

Some of the steps in Raya's solutions are shown.

Answers

Answer:

2. Distributive Property

4. Division Property of Equality

Step-by-step explanation:

2. The reason is Distributive Property since Raya distributed 2.5 to each term in the parentheses:

2.5(6.25x)+2.5(0.5)=11 --> 15.625x+1.25=11

4. The reason is Division Property of Equality since Raya divided both sides by 15.625.

A more in depth version of 3-4:

15.625x+1.25-1.25=11-1.25

               15.625x=9.75

Divide both sides by 15.625 (division property of equality since she is dividing the same number from both sides of the equation)

                           x=0.624

Fill in the missing number. % of 96 = 24 Submit​

Answers

Answer:

[tex]25[/tex]% of 96 = 24

Step-by-step explanation:

?% of 96 = 24

[tex]\frac{x}{100} =\frac{24}{96}[/tex]

[tex]x =\frac{24*100}{96}[/tex]

[tex]x = 25[/tex]%

i need help pls im only a small 8th grader i need help. its due at midnight and its 11.35 rn please have mercy <33

Answers

[1] y = 2x

- the line goes through the origin (0, 0) so there will be no b value

- the line, starting from (0, 0) goes up two and to the right 1 into the next point giving us a slope of 2/1 which simplifies to 2

[2] (0, 5)

- we can figure this out without graphing or plugging in values because (0, y) will be the y-intercept, or the b value

- in this case the value is 5

[3] y = 3x + 12

- it uses a different term than I am used too, but by "graident" I think they mean the slope

- if it has the same slope, then it will be a slope of 3

- if it passes through (0, 12) then again, this is the y-intercept or our b-value

Have a nice day!

-> See attached for more information on b values

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

Discuss the income effect for normal and inferior goods​

Answers

Answer:

➢ The income effect describes the relationship between an increase in real income and demand for a good. The result of the income effect for a normal good is discernible to that of an inferior good in that a positive income change causes a consumer to buy more of a normal good, but less of an inferior good.

[tex]Into \: your Arms[/tex]

#CarryOnLearning

What are 3 possible solutions for the inequality?​

Answers

Number one gravity number 27 and one shampoo number three the laws of physics

( i ready ) i want to double check my answer

Answers

Answer:

Step-by-step explanation:

yeah you got it

I need help with this equation please: 24c+36d+18:
Thank you!

Answers

6(4c+6d+3)
Hope it help

Answer

[tex] \: \: [/tex]

[tex] \sf \large \red{ ↬}24c + 36d + 18[/tex]

[tex] \: \: [/tex]

[tex] \boxed{ \sf \large \red{ ↬}6(4c + 6d + 3)}[/tex]

[tex] \: \: [/tex]

Hope Helps!

What is important when learning about trig?

Answers

Answer:

-You should already be familiar with algebra and geometry before learning trigonometry. From algebra, you should be comfortable with manipulating algebraic expressions and solving equations. From geometry, you should know about similar triangles, the Pythagorean theorem, and a few other things, but not a great deal.

-Measure the lengths of the sides of sets of similar right angled triangles and find the ratio of sides.

-Investigate the relationship between these ratios and the angle size.

-Use calculators or tables to find the sine, cosine and tangent of angles.

Step-by-step explanation:

basic knowledge i guess

Before beginning trigonometry, you need be comfortable with algebra and geometry. You should be comfortable handling algebraic expressions and solving problems after studying algebra. You should know about similar triangles, the Pythagorean theorem, and a few other things from geometry, but not much else. Students can use trigonometry to calculate the precise angle of a triangle's sides, the distance between distinct points on a triangle, and other information that is useful in a number of situations. Trigonometry is an essential component of ICSE Class 10 Mathematics since it combines memorization, conceptual knowledge, and problem-solving abilities. Because many of the earth's natural formations resemble triangles, it aids children in their comprehension of the globe.

Hope this helps

~ ROR

ok so i have three questions 1. 4 – 3/7 = _______
2. 3/4 + 5/8 = _______
and 3. 1 – 4/5 = _______

Answers

Change the Numbers to desired shape

4-3/7=
4*7/7-3/7=
28/7-3/7=25/7

Answer will be 3 4/7 or 25/7

Double the first one
3/4+5/8=
6/8+5/8=11/8

Answer will be 1 3/8 or 11/8

Same as the first

1-4/5=
1*5/5-4/5=
5/5-4/5=1/5

7a + 3 ( a - 4) please help!!

Answers

Step-by-step explanation:

7a+3a-4

=10a-4

Hope this can help you

Answer:

2(5a-6)

Step-by-step explanation:

[tex]=7a+3(a-4)\\\\=7a+3a-12\\\\=10a-12\\\\=2(5a-6)[/tex]

Height:?
6 cm
1. The diameter of the cylinder is 6cm
as shown above. What is the height of
the cylinder if the volume is 282.6 cu.
cm. Show your work.

Answers

Answer:

h = 22.5

Step-by-step explanation:

Volume Cylinder = πr²h

Radius = diameter/2

radius = 3

Solve:

282.6 = π(2)^2(h)282.6 = 3.14 * 4 * h90 = 4h22.5 = h

-Chetan K

Solve for x. 4x + 3 = 35 Enter your answer in the box.

Answers

Answer:

x = 8

Step-by-step explanation:

4x + 3 = 35

subtract 3 from each side

4x = 32

divide 4 from each side

x = 8

how to do subtracting unlike fractions easily? ​

Answers

Find the least common multiple of the denominators of the fractions. Write equivalent fractions that have the least common multiple as the denominator.

5m+3(m-3)+7=2m-1
Solve for x

Answers

Answer:

=> 5m+3(m-3)+7=2m-1

=> 5m+3m-9+7 = 2m-1

=> 8m-2 = 2m-1

=> 8m-2m = -1+2

=> 6m = 1

=> m = 1/6

5(x+6) in standard form

Answers

Hey there!

5(x + 6)


DISTRIBUTE 5 to WITHIN PARENTHESES

= 5(x) + 5(6)


= 5x + 30


Therefore, your answer is: 5x + 30


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

Urgent and pls explain thoroughly. O is the centre of the circle. OA, OB and OC are radii. Angle AOB = 72°.
Work out
a) angle OAB b) angle OCB c) angle ABC​

Answers

Answer:

<ABC=90° <OCB=36° <OAB=54°

Step-by-step explanation:

<ABC=90°

<ocb= half of aob

<oab + <abc+<ocb=180°(triangle abc)

Answer:

a) ∠OAB = 54°

b) ∠OCB = 36°

c) ∠ABC = 90°

Step-by-step explanation:

a)

If O is the center of the circle, then OA and OB are both the radius.  Therefore, OA = OB

This means that ΔAOB is an isosceles triangle, as is has two sides of equal length (OA and OB).  

The angle between the equal sides (∠AOB) is called the vertex angle.  The side opposite the vertex angle (AB) is called the base and base angles are equal. Therefore, ∠OAB = ∠OBA

Given:

The sum of the interior angles of a triangle is 180°∠AOB = 72°∠OAB = ∠OBA

⇒ ∠OAB + ∠OBA + ∠AOB = 180

⇒ ∠OAB + ∠OBA + 72 = 180

⇒ ∠OAB + ∠OBA = 108

⇒ ∠OAB = 108 ÷ 2 = 54°

b)

Again, we can see that OB and OC are both the radius, so OB = OC.  This means that ΔBOC is also an isosceles triangle, with ∠BOC as the vertex and BC as the base.

Calculate ∠BOC:

Given:

Angles on a straight line add up to 180°∠AOB = 72°

⇒ ∠AOB + ∠BOC = 180

⇒  72 + ∠BOC = 180

⇒ ∠BOC = 108°

Calculate ∠OCB:

Given:

The sum of the interior angles of a triangle is 180°∠BOC = 108°∠OBC = ∠OCB

⇒ ∠OBC + ∠OCB + ∠BOC  = 180

⇒ ∠OBC + ∠OCB + 108  = 180

⇒ ∠OBC + ∠OCB  = 72

⇒ ∠OCB  = 72 ÷ 2 = 36°

c)

Thales's theorem is a special case of the inscribed angle theorem and states that:

If A, B, and C are distinct points on a circle where the line AC is a diameter, then ∠ABC is a right angle.

Given that AC is the diameter of this circle, and points A, B and C are on the circle, then ∠ABC = 90°

Factor 10w^2-31w+15
I'm really stumped lol

Answers

Answer:

[tex]10 {w}^{2} - 31w + 15 \\ \\ 10 {w}^{2} - 6w - 25w + 15 \\ \\ 2w(5w - 3) - 5(5w - 3) \\ \\ (2w - 5)(5w - 3)[/tex]

# be careful #

I NEED HELP ASAP PLEASE
The side lengths of a triangle are 9, 12, and 15. Is this a right triangle?

A. Yes, because 9*2 + 12*2 = 15*2
B. No, because 9*2 + 12*2 ≠ 15*2
C. No, because 9+ 12 ≠ 15.
D. Yes, because 9*2 + 12*2 > 15*2

Answers

A is the right answer for this question

what is x-72=136 and what is n - 10 = 13 + 5

Answers

Answer:

1) x = 208     2) n = 28

Hope this helps! Have a great day!!

Step-by-step explanation:

1)

x  -  72  =  136

    +  72      +72

x             =    208

2)

 n  -  10  =  13  +  5

 n  -  10  =  18

       +10       +10

        n      =  28

Hello There today we will solve your problem,

First off we will use our definitions so you know what do to next time and make it easier,

Definition

Algebra - the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.

_______________

Now we can start!

[tex]\huge\blue{\mid{\fbox{\tt{NUMBER\:ONE}}\mid}}[/tex]

[tex]x-72=136[/tex]

Add 72 to both sides,

Answer : [tex]x=208[/tex]

[tex]\huge\blue{\mid{\fbox{\tt{NUMBER\:TWO}}\mid}}[/tex]

[tex]n-10=13+5[/tex]

Simplify ⇒ [tex]13+5[/tex] ⇒ [tex]18[/tex]

[tex]n-10=18[/tex]

Add 10 to both sides

Answer : [tex]n=28[/tex]

S $1,595 deposit for 10 years at a simple interest rate of 8%

Answers

Answer:

$2,871.00

Step-by-step explanation:

Calculation:

First, converting R percent to r a decimal

r = R/100 = 8%/100 = 0.08 per year.

Solving our equation:

A = 1595(1 + (0.08 × 10)) = 2871

A = $2,871.00

The total amount accrued, principal plus interest, from simple interest on a principal of $1,595.00 at a rate of 8% per year for 10 years is $2,871.00.

A tent originally costs $450, but it is on sale for 22% off. If a customer buying the tent has a coupon for $20. 00 off of any purchase, what will her final price be on the tent?.

Answers

Answer:

$ 331 :)

Step-by-step explanation:


The points (-6, 5) and (r, 20) lie on a line with slope 5/4
Find the missing coordinate r.

Answers

R = 6
(WORK SHOWN BELOW)

3x - 2y =6

if x is equal to -1; 0; 1​

Answers

Step-by-step explanation:

if X=-1

3(-1) - 2y =6

-3 - 2y =6

-2y=6+3

-2y =9

y=

[tex] \frac{9}{ - 2} [/tex]

y=

[tex] - 4 \frac{1}{2} [/tex]

If X=0

3(0)-2y=6

0-2y=6

-2y=6+0

-2y=6

y=

[tex] \frac{6}{ - 2} = - 3[/tex]

y= -3

if X=1

3(1)-2y=6

3-2y=6

-2y=6-3

-2y=3

y

[tex] \frac{3}{ - 2} = - 1 \frac{1}{ 2} [/tex]

You read a book for 35 minutes. Then you played 4 computer games. Each game took 8 minutes to play

Answers

Answer:

Total time: 67 minutes

Step-by-step explanation:

35m + 4(8m) = 67m

Answer:

READING TIME :- 35 MINUTES

GAME TIME. :- 32 MINUTES

HOPE IT HELPS U!!!!

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