PLS HELP ASAP
(50 POINTS)

Use the data set below to answer the following questions.
20
26
28 25
28 18 23
15
29
17 15
17
20
30
29
(2pts) 1. Find Q2
(2pts) 2. Find Q₁
(2pts) 3. Find Q3
16
17
21
26 29 24 29
22
28
19

Answer:

You will add!

Step-by-step explanation:

Words words words

Answer:

Opposite angles are right angles.

Step-by-step explanation:

Answer:

7. 14

15. 30

28. 56

32. 64

18 36

x 2x

1/2y. y

2x. 4x

x+3 2x+9

Step-by-step explanation:

each out is double the in

The ratio of right-handed club members to left-handed club members is approximately 12.67 : 1.

What is Algebraic expression?

Algebraic expression can be defined as combination of variables and constants.

If \(\frac{3}{41}\) members of a cricket club are left-handed, then the remaining members must be right-handed. We can find the number of right-handed members by subtracting the number of left-handed members from the total number of members in the club:

Number of right-handed members = Total number of members - Number of left-handed members

Since the left-handed members make up \(\frac{3}{41}\) of the club, the right-handed members must make up the remaining \(\frac{38}{41}\) of the club. Therefore, the ratio of right-handed members to left-handed members is:

Right-handed members : Left-handed members

38 : 3

Alternatively, we can simplify the ratio by dividing both sides by 3:

Right-handed members : Left-handed members

\(\frac{38}{3}\) : 1

Simplifying the left-hand side of the ratio, we get:

Right-handed members : Left-handed members

12.67 : 1

Therefore, the ratio of right-handed club members to left-handed club members is approximately 12.67 : 1.

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Answer:

0.3756

Step-by-step explanation:

I believe this is a combinatorics probability problem.

We first figure out in how many ways we can choose 3 cats out of 14 cats

Then we figure out how many ways we can choose 2 dogs out of 7 dogs

The total number of ways to select 3 cats and 2 dogs will be the product of these two

We then figure out in how many ways we can select 5 animals out of a total of 21 animals

The product we computed divided by the above number will give the probability

The number of ways we can choose k items out of n items is given by nCk i.e n Choose k

The formula is rather complicated but almost all calculators should be able to compute this given n and k

Let's deal with the selection of 3 cats from the population of 14 cats

This is given by 14C₃ which works out to 364

Number of ways for selecting 2 dogs from 7 dogs = 7C₂ = 21

Number of ways of selecting 5 animals from 21 = 21C₅ = 20349

The probability of selecting 3 cats and 2 dogs is therefore:

\(\dfrac{364 \times 21}{20349} = 0.3756\)

That, I believe is the answer. Please let me know if it is correct and if you need more info.

The linear combination of the standard unit vectors i and j for the given initial and terminal points is 9i + 20j.

To find the linear combination of the standard unit vectors i and j, we need to determine the components of the vector that connects the initial point to the terminal point.

Given:

Initial Point: (0, -8)

Terminal Point: (9, 12)

To find the linear combination, we subtract the coordinates of the initial point from the coordinates of the terminal point:

So, Terminal Point - Initial Point

= (9, 12) - (0, -8)

= (9 - 0, 12 - (-8))

= (9, 20)

Therefore, the linear combination of the standard unit vectors i and j for the given initial and terminal points is 9i + 20j.

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Answer:

60

Step-by-step explanation:

I times 20 x 3 = 60 because each days us 3 and I use my fingers to count

Step-by-step explanation:

speed=distance÷time

A.V.S=440÷11=40m/s

hope it helps.. Please mark brainliest.

Answer:

40 m/s

Step-by-step explanation:

Find:

We are asked to find the unit rate, How many meters per 1 second?

Know:

440 meters in 11 seconds

Solve:

440 meters in 11 seconds

  ? meters in 1 second

   440/11  = 40 meters per second

Answer:

The average speed of the person is 40 m/s

Solving the algebraic expression, it is found that the value of x + 1 is: 2z + 1.

For algebraic expressions like the one given in this work, in which two fractions are separated by an equality, the solution is obtained applying cross multiplication.

The expression is:

\(\frac{7acb}{2z} = \frac{21abc}{3x}\)

Applying cross multiplication, we have that:

\(\frac{3x}{2z} = \frac{21abc}{7abc}\)

3x/2z = 3.

Applying cross multiplication again:

3x = 6z

x = 6z/3

x = 2z.

Adding 1 to both sides of the equality, we have that:

x + 1 = 2z + 1.

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the expected value of the random variable with this probability distribution is 7.

Why it is?

To find the expected value of a discrete random variable with a probability distribution, you multiply each possible value of the random variable by its corresponding probability and then add up all of the products.

For example, for the probability distribution given:

X P(X)

2 1/36

3 1/18

4 1/12

5 1/9

6 5/36

7 1/9

8 1/12

9 1/18

10 1/36

The expected value, denoted by E(X), can be calculated as follows:

E(X) = (2)(1/36) + (3)(1/18) + (4)(1/12) + (5)(1/9) + (6)(5/36) + (7)(1/9) + (8)(1/12) + (9)(1/18) + (10)(1/36)

E(X) = 7

Therefore, the expected value of the random variable with this probability distribution is 7.

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The constant differences between the consecutive terms are 2 (a); 2 (b), -3 (c), 7 (d), 1(e), and 6(f).

In math, the constant difference can be defined as the number that defines the pattern of a sequence of numbers. This means that number that should be added or subtracted to continue with the sequence.

Due to this, to determine the constant difference it is important to observe the pattern and find out the number that should be added. For example, if the sequence is 2, 4, 6, 8, there is a difference of 2 between each of the numbers and this is the constant difference.

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Answer:

THE ANSWERE IS C!!!!!!!

Step-by-step explanation: it says above 0 so its not India it has 0

its not Dominican Republic or france and japan cause it is negetive the oly chose is hurgay

Answer:

Step-by-step explanation:

The rate of interest is 73%.

What is the annual rate?

The term annual percentage rate of charge refers to the interest rate for an entire year rather than just a monthly fee or rate as applied on a loan, mortgage loan, credit card, etc. It can also be referred to as a nominal APR or an effective APR. It is an annual rate of a finance charge.

Given that 1 dollar to grow to X dollars in 2 years is given by the formula X = (1+r) ².

A dollar to triple in 2 years.

Thus putting X = 3 in X = (1+r) ²

3 = (1+r) ²

Take square root on both sides:

√3 = 1 + r

Subtract 1 from both sides:

r = √3 - 1

r = 0.73

r = 73%

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we are given the equation y = x + 1, this is the equation of a line since every line equation has the following form:

In the given equation m = 1 and b = 1. This is also a function beacause it follows the vertical line test, that is, if we draw a line parallel to the y-axis, this line would only touch the graph once.

It can't be a vertical line because the equation of a vertical line is of the form:

Where "k" is a constant, this is not our case.

The graph does have negative outputs, because if we replace x = -3, we get y = -3+1 = -2 , which is a negative output.

If the graph passes through the origin then when x = 0, y = 0, and this is not the case, because if we replace x = 0, we get: y = 0+1 = 1.

Therefore, the only options that apply are that it is a straight line and that it is a function.

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The area of the right triangle is 18.02 cm².

A right angle triangle is a triangle that has one of its angles as 90 degrees.

The sum of angles in a triangle is 180 degrees.

Therefore, let's find the area of the right angle triangle as follows;

let's find the height and base of the triangle.

using trigonometric ratios,

cos 75 = adjacent / hypotenuse

cos 75 = base / 12

base = 3.10582854123

Therefore,

sin 75 = opposite / hypotenuse

sin 75 = h / 12

height = 11.5911099155

height = 11.59

Therefore,

area of the triangle = 1 / 2 × 3.11 × 11.59

area of the triangle = 36.0483518371 / 2

area of the triangle = 18.0241759186

area of the triangle = 18.02 cm²

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Answer:

the answer is 76 degrees

The interior angles of a triangle ADD UP TO 180.

the interior angles are x+x+x+24 since two are the same and one has 24 more.

add like terms, 3x+24 . = 180

subtract 24 from both sides 3x=156

x = 52. NOW THIS IS NOT THE ANSWER. the reason why is the question says what is the measure of the LARGEST angle. the largest angle is x+24. 52+24 is equal to... 76 degrees i hope it is correct and it helped.

Step-by-step explanation:

Step-by-step explanation:

87,959 ==> 88,000 is the nearest hundred

The answer is:

Work/explanation:

When rounding to the nearest hundredth, round to 2 decimal places (DP).

Which means we should round to 5.

5 is followed by 9, which is greater than or equal to 5. So, we drop 9 and add 1 to 5 :

87. 96

Answer:

1.65 inches

Step-by-step explanation:

3.63/2.2= 1.65

Check

2.2 x 1.65 x 1/2 = 1.815

Repeat for the other half of the triangle

2.2 x 1.65 x 1/2 = 1.815

Add

1.815 + 1.815= 3.63

Answer:

1.65"

Step-by-step explanation:

I did the test

Hope this helps :)

Answer:

2

Step-by-step explanation:

(6 + square root of -64) - (square root of -16)

6 - 8 + 4

2

An expression is defined as a set of numbers, variables, and mathematical operations. The given expression [6 + √(-64)] [3 - √-16] when simplified is equal to 50.

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

A complex number is a number system that extends the real numbers with a particular element labelled "i" known as the imaginary unit, and satisfies the equation i² = -1; every complex number may be represented as a + bi, where a and b are real numbers.

The given expression can be written as,

[6 + √(-64)] [3 - √-16]

= (6 + 8i)(3 - 4i)

= 18 - 24i + 24i - 32i²

= 18 - 32(-1)

= 18 + 32

= 50

Hence, The given expression [6 + √(-64)] [3 - √-16] when simplified is equal to 50.

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Answer:

14

Step-by-step explanation:

Answer:

Option A is the right answer mate...

Answer:

C and D

Step-by-step explanation:

\(\cos(2x)\\=\cos(x+x)\\=\cos(x)\cos(x)-\sin(x)\sin(x)\\=\cos^2(x)-\sin^2(x)\\=\cos^2(x)-(1-\cos^2(x))\\=2\cos^2(x)-1 \,\,\,\,\,\,\,\,\,\,\leftarrow \text{Option D}\\=2(1-\sin^2(x))-1\\=2-2\sin^2(x)-1\\=1-2\sin^2(x)\,\,\,\,\,\,\,\,\,\,\,\leftarrow \text{Option C}\)

Answer:

Step-by-step explanation:

Work Shown:

Complementary angles add to 90 degrees.

A+B = 90

(3x+18)+(2x+17) = 90

5x+35 = 90

5x = 90-35

5x = 55

x = 55/5

x = 11

Then we can determine each angle:

As a check: A+B = 51+39 = 90 to confirm the answer.

C(x) = 103 + 15(x-1990) is the equation . Tuition will be $583 per credit hour in 2022, assuming a linear increase.

In its most basic form, an equation is a mathematical statement that indicates that two mathematical expressions are equal. 3x + 5 = 14, for example, is an equation in which 3x + 5 and 14 are two expressions separated by a 'equal' sign. A mathematical statement made up of two expressions joined by an equal sign is known as an equation. 3x - 5 = 16 is an example of an equation. We get the value of the variable x as x = 7 after solving this equation.

Here,

C(x) = 103 + 15(x-1990)

C(2012) = 103 + 15(2012 - 1990 [22]) = 330

In the year 2012, tuition will be $330 per credit hour

583 = 103 + 15(X-1990)

583 - 103 = 15(X-1990)

480 = 15 (X -1990)

480 / 15 = X - 1990

X = 1990 + 32

X = 2022

In the Year 2022 tuition will be $583 per credit hour assuming a linear progression.

The linear equation is C(x) = 103 + 15(x-1990). In the Year 2022 tuition will be $583 per credit hour assuming a linear progression.

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The probability of selecting 3 blue balls at random and without replacement from the collection box is 5/36.

To calculate the probability of selecting 3 blue balls, we need to use the formula for the probability of multiple independent events occurring together, which is the product of their individual probabilities.

The probability of selecting the first blue ball is 5/10 (since there are 5 blue balls out of a total of 10 balls in the box).

After selecting the first blue ball, there are 4 blue balls left out of 9 total balls remaining in the box, so the probability of selecting a second blue ball is 4/9.

After selecting the second blue ball, there are 3 blue balls left out of 8 total balls remaining in the box, so the probability of selecting a third blue ball is 3/8.

Therefore, the probability of selecting 3 blue balls is:

P(3 blue balls) = (5/10) * (4/9) * (3/8)

Simplifying this expression, we get:

P(3 blue balls) = 5/36

So the probability of selecting 3 blue balls at random and without replacement from the collection box is 5/36.

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The balance for each value of n is calculated by using the formula A = P(1 + r/n) ^nt. The rounded balance values are shown in the last column of the table above.

To complete the table and find the balance A if $3100 is invested at an annual percentage rate of 4% for 10 years and compounded n times a year.

The formula for calculating compound interest is as follows:

A = P(1 + r/n) ^nt,

where P represents the principal investment amount, r is the interest rate, n is the number of times the interest is compounded, t represents the time in years, and A represents the total amount, which includes the principal amount and the interest earned.

The table is given below:
\(\begin{array}{|c|c|c|} \hline \text{n} &

\text{A = P(1 + r/n) }^{nt} &

\text{Balance (rounded to nearest cent)} \\ \hline \text{1} &

\text{3100(1 + 0.04/1)}^{1*10} &

\text{\$4788.03} \\ \hline \text{2} &

\text{3100(1 + 0.04/2)}^{2*10} &

\text{\$4798.76} \\ \hline \text{4} &

\text{3100(1 + 0.04/4)}^{4*10} &

\text{\$4817.46} \\ \hline \text{12} &

\text{3100(1 + 0.04/12)}^{12*10} &

\text{\$4861.94} \\ \hline \end{array}\)

The balance is obtained by substituting the values of P, r, n, and t into the compound interest formula.

In this case, the investment is $3100, the annual interest rate is 4%, the investment is for 10 years, and n is the number of times the interest is compounded.

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Answer:

20 :)

Step-by-step explanation:

as you can see it goes 8,10,12,14,16,20

Applying equations, the number of each type of pancake are originally: 81 blueberry pancakes, 27 plain pancakes, and 42 chocolate chip pancakes.

Let's use the following variables to represent the number of each type of pancake:

From the problem statement, we know that:

x + y + z = 150 (total number of pancakes)

1/3 x blueberry pancakes are left

4/5 y plain pancakes are left

1/2 z chocolate chip pancakes are left

There are now an equal number of each type of pancake

From the last statement, we can set up the following equations:

1/3 x = y = 1/2 z

Multiplying all sides of each equation by the least common multiple of the denominators, we get:

2x = 6y = 3z

Dividing all sides of each equation by 2, we get:

x = 3y = 3/2 z

Now we can use the equation x + y + z = 150 to substitute for x in terms of y and z:

3y + y + 2/3(3/2z) = 150

Simplifying and solving for z, we get:

5z = 270

z = 54

Substituting z = 54 into x = 3/2 z, we get:

x = 81

Substituting z = 54 into y = x/3, we get:

y = 27

Therefore, there were originally 81 blueberry pancakes, 27 plain pancakes, and 42 chocolate chip pancakes.

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