Please help, I will mark brainliest.

Please Help, I Will Mark Brainliest.

Answers

Answer 1

Answer:

Step-by-step explanation:

Total number of students who roller skated = 80

Number of students who roller skated with laser tag = 39

Number of students who roller skated with no laser tag = 80 - 39 = 41

Therefore, percentage of students who roller skated with no laser tag = [tex]\frac{41}{154}\times 100[/tex] = 27%

Since, number of students who played laser tag = 85

Percentage of students who played laser tag = [tex]\frac{85}{154}\times 100[/tex] = 55%

Total number of students who played no laser tag = 45% of 154 = 69

Number of students with no roller skates and no laser tag = 69 - 41 = 28

Percentage of students with no roller skates and no laser tag = [tex]\frac{28}{154}\times 100[/tex]        

                                                                                                       = 18%

Percentage of students who played with no rollers skates = (30 + 18)%

                                                                                                 = 48%

                                  Laser tag                 No laser tag                Total

Roller skate                     25%                           27%                      52%

No Roller skate               30%                           18%                      48%

Total                                55%                           45%                      100%


Related Questions

Sum of the Interior angles of a 32-gon​

Answers

Answer: 5,400 degrees

Step-by-step explanation:

Answer:

In geometry, a triacontadigon (or triacontakaidigon) or 32-gon is a thirty-two-sided polygon. In Greek, the prefix triaconta- means 30 and di- means 2. The sum of any triacontadigon's interior angles is 5400 degrees.

Internal angle (degrees): 168.75°

Dual polygon: Self

Symmetry group: Dihedral (D32), order 2×32

Step-by-step explanation:

Your welcome!!!❤

The price of a 7 ​-minute phone call is ​$1.75. What is the price of a 14 ​-minute phone​ call?

Answers

Answer:

$3.50

Step-by-step explanation:

14 is double 7

So the price should be double

1.75 x 2 = 3.5

(Assuming there's no base fee and the charge is purely for minutes)

How do you find the Area of a pentagon

Answers

Answer:

Area of a regular pentagon = pa/2, where p = the perimeter and a = the apothem. If you don't know the perimeter, calculate it from the side length: p = 5s, where s is the side length.

Step-by-step explanation:

Answer:

I think base times hight

I am an odd number that is less than 10 and is not the number of sides on a triangle.I can be divided by three what number am I?

Answers

Answer:

I think that it would be 9 because it is less than ten and can be divided equally by 3.

Step-by-step explanation:

A polynomial function has x-intercepts at -2, 1/2, and 2 and a relative maximum at x = -1.
Which graph matches the description of this function?

Answers

Answer: A :)

Step-by-step explanation:

The function goes through -2, 1/2, and 2, maximum goes through x= -1

By using the information about the x-intercepts and the relative maximum, we can see that the correct option is A.

How to find the correct graph of the polynomial?

First, we know that we have a relative maximum at x = -1, this means that we have a "mountain" at x = -1.

The only two graphs with that feature are A and B.

Now we also know that the x-intercepts are:

-2, 1/2, and 2.

Where the x-intercepts are the values of x at which the graph intercepts the x-axis. There you can see that we have one negative and two positives, from that, we can conclude that the only correct option can be A (because B has two negatives and one positive x-intercepts).

Finally, we conclude that the correct option is A.

If you want to learn more about polynomials, you can read:

https://brainly.com/question/4142886

Write numbers to make each line have the same sum

Answers

Answer:

There is nothing here?

Step-by-step explanation:

The polynomial equation x3 - 4x²+2x+10 - 42 -5x-3 has complex roots 3 + 21. What is the other root? Use a graphing
calculator and a system of equations.
O-3
O-1
O 3
O 10

Answers

9514 1404 393

Answer:

  B.  -1

Step-by-step explanation:

The graphing calculator shows the left-side function intersects the right-side function at x = -1.

How do you factor the sum of cubes of 216s³+ 27t³?​

Answers

You can not make the sum of two unalike terms.

Divide 25000 in the ratio 2:3:5

Pls answer this question
It is reaaaallyy imp

Will mark as brainliest

Answers

Let the parts be 2x, 3x and 5x.

Sum= 25000

Therefore,2x+3x+5x=25000

10x=25000

x=25000/10

x=2500

Therefore, parts:-

1. 2×2500=5000

2. 3×2500=7500

3. 5×2500=12500

Answer:

5000, 7500, 12500

Step-by-step explanation:

[tex]2 + 3 + 5 = 10[/tex]

[tex]25000[/tex] ÷ [tex]10[/tex] = [tex]2500[/tex]

[tex]2500[/tex] × [tex]2 = 5000[/tex]

[tex]2500[/tex] × [tex]3 = 7500[/tex]

[tex]2500[/tex] × [tex]5 = 12500[/tex]

[tex]\therefore[/tex] [tex]25000[/tex] will split into [tex]5000[/tex], [tex]7500[/tex], and [tex]12500[/tex].

To check if the answer is correct, you can add the values up and see if they sum up to [tex]25000[/tex]:

[tex]5000 + 7500 + 12500 = 25000[/tex]

Hope this helps :)

In a random survey of 50 students at Great Middle school,32 said chocolate was their favorite flavor of yogurt.The school has 450 students.How many of them are likely to select chocolate as their favorite flavor?

Answers

Answer:

288 I think

Step-by-step explanation:

450 divided by 50 is 9

9 times 32 is 288

I might be wrong

just in case

sorry!

Find the value of x in the triangle shown below.
X
5
6

Answers

Answer:

C. x = √61

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Trigonometry

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

Step 1: Define

We are given a right triangle. We can use PT to solve for the missing length.

Step 2: Identify Variables

Leg a = 6

Leg b = 5

Hypotenuse c = x

Step 3: Solve for x

Substitute:                    6² + 5² = x²Exponents:                   36 + 25 = x²Add:                              61 = x²Isolate x:                       √61 = xRewrite:                        x = √61

Answer: 61

Step-by-step explanation:

25+36=x

61=x

x=61

3r + 6y - 2z = -6 2x + y + 4z = 19 -5x - 2y+8z = 62
solve each system of equations​

Answers

For the first equation


Solve each system of equations by elimination.
y= -x+1 y=4x-14



By ELIMINATION

Answers

The answer is:
x=3, y= -2
(3,-2)

Answer:

X=3, y=-2

Step-by-step explanation:

If a data plot has most of the data on the left side of the graph, and a tail to the right, what do we call it?

Answers

Answer:

Positively skewed distribution (or right-skewed).

Hello,
2x+1=x(2+0)
True or false???????

Answers

Answer:

false right

Step-by-step explanation:

Type the correct answer in the box.
If cos x = sin(20 + x)° and 0° < x < 90°, the value of x is
°.

Answers

Correct question is;

Type the correct answer in the box bellow: If cos x = sin(20 + x)° and 0° < x < 90°, the value of x is ...........

Answer:

x = 35°

Step-by-step explanation:

We are told that;

cos x = sin(20 + x)°

and 0° < x < 90°

From trigonometric identities, we know that;

cos x = sin (90 - x)

Applying to our question gives;

sin (90 - x) = sin (20 + x)°

Comparing both sides, we have;

90 - x = 20 + x

Rearranging;

90 - 20 = x + x

70 = 2x

x = 70/2

x = 35°

Simplefly the problem 1/2x/45>61

Answers

Answer:

x>5490

x

​​ >61

x>61×90

x>5490

Plz plz plz plz help me out

Answers

Answer: 60

Step-by-step explanation:

you can see here that 1 van can hold 12 people. so, if you just multiply that number by 5, then you can see how many fit into 5 vans.

Answer:

60 passengers.

Step-by-step explanation:

From the table, you'ld realise that it is in a sequence of (12), that is 1×12=12, 2×12=24, therefore, the number of passengers that can be transported in 5 vans are 5×12= 60 passengers.

F(2)=?
Find it please

Answers

Answer:

- 2

Step-by-step explanation:

f(2) = - 2

Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer in
descending powers of x.
(8x + 3)(4x + 7)

Answers

Answer:

32x^2+68x+21

Step-by-step explanation:

Answer:

32x^2+68x+21

Step-by-step explanation:

This is right just did this!!

Watch help video
In an all boys school, the heights of the student body are normally distributed with a
mean of 69 inches and a standard deviation of 2.5 inches. Using the empirical rule,
what percentage of the boys are between 61.5 and 76.5 inches tall?

Answers

Answer:

99.7%

Step-by-step explanation:

99.7% of boys fall between 61.5 and 76.5

The percentage of the boys that are between 61.5 and 76.5 inches tall is 99.73%

How to determine the percentage between the range?

The given parameters are:

Mean = 69Standard deviation = 2.5

Start by calculating the z score for x = 61.5 and 76.5 using:

[tex]z = \frac{x - \mu}{\sigma}[/tex]

So, we have:

[tex]z_1 = \frac{61.5 - 69}{2.5} = -3[/tex]

[tex]z_2 = \frac{76.5 - 69}{2.5} = 3[/tex]

The percentage is then represented as:

Percentage = P(-3 < x < 3)

Using the z table of probabilities, we have:

Percentage = 0.9973


Express as percentage

Percentage = 99.73%

Hence, 99.73% of the boys are between 61.5 and 76.5 inches tall

Read more about normal distribution at:

https://brainly.com/question/4079902

#SPJ9

A is twice as good a workman as B and together
they finish a piece of work in 18 days. In how
many days will A alone finish the work?​

Answers

Answer:

vbnmnbv nbbnmbnmvbr

Step-by-step explanation:

This is finding exact values of sin theta/2 and tan theta/2. I’m really confused and now don’t have a clue on how to do this, please help

Answers

First,

tan(θ) = sin(θ) / cos(θ)

and given that 90° < θ < 180°, meaning θ lies in the second quadrant, we know that cos(θ) < 0. (We also then know the sign of sin(θ), but that won't be important.)

Dividing each part of the inequality by 2 tells us that 45° < θ/2 < 90°, so the half-angle falls in the first quadrant, which means both cos(θ/2) > 0 and sin(θ/2) > 0.

Now recall the half-angle identities,

cos²(θ/2) = (1 + cos(θ)) / 2

sin²(θ/2) = (1 - cos(θ)) / 2

and taking the positive square roots, we have

cos(θ/2) = √[(1 + cos(θ)) / 2]

sin(θ/2) = √[(1 - cos(θ)) / 2]

Then

tan(θ/2) = sin(θ/2) / cos(θ/2) = √[(1 - cos(θ)) / (1 + cos(θ))]

Notice how we don't need sin(θ) ?

Now, recall the Pythagorean identity:

cos²(θ) + sin²(θ) = 1

Dividing both sides by cos²(θ) gives

1 + tan²(θ) = 1/cos²(θ)

We know cos(θ) is negative, so solve for cos²(θ) and take the negative square root.

cos²(θ) = 1/(1 + tan²(θ))

cos(θ) = - 1/√[1 + tan²(θ)]

Plug in tan(θ) = - 12/5 and solve for cos(θ) :

cos(θ) = - 1/√[1 + (-12/5)²] = - 5/13

Finally, solve for sin(θ/2) and tan(θ/2) :

sin(θ/2) = √[(1 - (- 5/13)) / 2] = 3/√(13)

tan(θ/2) = √[(1 - (- 5/13)) / (1 + (- 5/13))] = 3/2

Solve the equation and check the solution.
A - 2 1/2 = 1 1/2

O a = 1

O a = 3 1/2

O a = 4

O a = 4 1/2 ​

Answers

Step-by-step explanation:

A - 2.5 = 1.5

A = 1.5 + 2.5 (Add 2.5 on both sides)

A = 4.

Answer:

C

Step-by-step explanation:

The Black Panther looks for Vibranium to put in his spear.He spends 3/5 of an hour searching.Over 4 days,about how many hours does he search for gemstones

Answers

Answer:

RIP chadwick

Step-by-step explanation:

Twelve hours because he’s a fast panther

Which number line shows the solution of -6x + 18 < 30? WILL GIVE BRAINLIEST PLEASE HELP

Answers

Answer:

C.

Step-by-step explanation:

Brainliest me pls

Have a nice day!

Answer:

d. x > -2

Step-by-step explanation:

okay lets simplify this equation

-6x + 18 < 30

first lets subtract 18 from both sides

-6x < 12

now divide both sides by -6

x < -2

important rule: when you multiply or divide an inequality by a negative number, you must flip the inequality sign!

x > -2

answer d matches this inequality

what is the inverse function of f(x) = 4x - 1

Answers

Answer:

[tex]f(x) = \frac{x + 1}{4}[/tex]

Step-by-step explanation:

To inverse the function switch the places of x and y like this:

x = 4y - 1

Now, solve for y:

[tex]x + 1 = 4y\\\frac{x + 1}{4} = y[/tex]

It's that easy!

I hope this helps!!

- Kay :)

Solve for Y

ABC = DEF

Answers

Answer:

12

Step-by-step explanation:

△ABC ≅ △DEF means that these two triangles are congruent to each other. Congruent triangles also have corresponding sides and angles that are equal to each other!

This means that angle A corresponds to angle D; and thus, we can set up in equation for these two to solve for y.

First, let's try to decipher what exactly we are solving. Y is what we are multiplying by five to get 60°, or angle A (congruent angle).

Now, we just solve it!

[tex]60=5y[/tex]

y=12

Give the domain and range.
-3 0 3 у -6 0 6.

a. domain: {-3, 0, 3), range: 2-6, 0, 6)
b. domain: {-6, 0, 6), range: {-3, 0, 3}
c. domain: {3, 0, 3), range: {6, 0, 6}
d. domain: {6,0, 6), range: {3, 0,3}​

Answers

Answer:

The domain: {-3, 0, 3}

The range: {-6, 0, 6}

Therefore, option (a) is correct.

Step-by-step explanation:

Given the table

x    -3      0      3

y     -6     0      6

Determining the Domain:

We know that the domain of a relation is the set of all the x-values of the set X. In other words, the domain of relation consists of all the input values.

Therefore, the domain: {-3, 0, 3}

Determining the Range:

We know that the range of a relation is the set of all the y-values of the set Y. In other words, the range of relation includes all the output values.

Therefore, the range: {-6, 0, 6}

Therefore, we conclude that option (a) is correct.

Help on this one please

Answers

Hope this might help
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