who can help me plssssssssssssssssssssssssss

Answer:

SohCahToa

Step-by-step explanation:

40% first you turn it into a decimal, then u multiply it by 100 to get your percent.

For solving this question we will use the Unitary method

The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value. The term "unitary method" refers to a process where the value of one item is initially determined before determining the values of any other items.

The unitary method's formula is to identify the value of a single unit, then multiply that value by the number of units to obtain the required value.

2/5 = 0.4

0.4 x 100 = 40% first u turn it into a decimal, then u multiply it by 100 to get ur percent

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The full question will be

Tyrone is converting StartFraction 45 Over 50 EndFraction to a percent. Which method should he use to find the percentage?

Answer: 17

Step-by-step explanation:

First, change everything to ascending order.

14, 15, 16, 17, 18, 20, 25

Now, select the middle number, in this case, it is 17.

To find the median of a data set, you must put the numbers in order from least to greatest and find the middle (center) number.

The following data set: 16, 14, 15, 18, 17, 20 and 25 can be organized into the following order: 14, 15, 16, 17, 18, 20, 25.

Now, simply find out the middle number.

17 is the middle number, therefore the median.

Answer:  X or Y

Step-by-step explanation:

Answer:

=x^2+1 (Graph Example), 4x+2=2 (x+6) (Solve Example) Algebra Calculator is a calculator that gives step-by-step help on algebra problems. See More Examples ». x+3=5. 1/3 +

Step-by-step explanation:

Answer:

y=x^2+1

Step-by-step explanation: 4x+2=2 (x+6)

Answer:

14

Step-by-step explanation:

Answer:

We can start by multiplying the first equation by 3:

12x + 24y = 120

Then we can multiply the second equation by 4:

12x - 8y = 56

Now, we have:

12x + 24y = 120

12x - 8y = 56

If we subtract the first equation from the second equation:

32y = 64

y = 64/24

y = 2

Now that we know the value of y, we can substitute it back into one of the original equations to find the value of x.

Let's use the first equation:

4x+8(2) = 40

4x+16 = 40

4x = 24

x = 24/4

x =6

So, the solution of the system of equations is x = 6, y = 2.

The number of ways in which we can choose four members of the club to serve on the executive committee is 12650 ways.

The act of placing all the components of a set into a certain sequence or order is known as permutation in mathematics. In other terms, the process of permuting is the reordering of the elements of a set if the set is already ordered. Contrary to permutations, the order of selection is irrelevant when choosing elements from a collection using the combination method.

Given that the total number of members in the club is 25.

To choose four executive members for the committee we use the formula of combinations given as follows:

[tex]nCr = \frac{n!}{(n-r)! r!}[/tex]

Substituting the value of n= 25 and r = 4:

[tex]25C 4 = \frac{25!}{(25 -4)! 4!}\\\\\\25C 4 = 12650\\[/tex]

Hence, the number of ways in which we can choose four members of the club to serve on the executive committee is 12650 ways.

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We can conclude the sample obtained is an SRS because the final sample was obtained by simple random sampling. not an SRS because the first sample was not balanced between men and women

an SRS?

the leader of a student organization wishes to form a committee that will consist of 5 of the 50 members.

he decides to take an SRS of size five from the members and those selected will comprise the committee.

he chooses an SRS of size five and all are men.

he would like to have some women on the task force, so he decides to take another SRS.

this time there are three women and two men in the sample, so he decides these five will form the committee.

we can conclude the sample obtained is an SRS because the final sample was obtained by simple random sampling.

an SRS because all members had the same chance of being in the final sample.

not an SRS because a sample consisting entirely of men is not allowed.

not an SRS because the first sample was not balanced between men and women.

we can conclude the sample obtained is an SRS because the final sample was obtained by simple random sampling. not an SRS because the first sample was not balanced between men and women.

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The maximum number of oranges he can distribute to the ground would be = group C with a total of 115 oranges.

A maximum number is defined as the number that is equal to or greater than other values in a data set.

The various number of oranges distributed by Musa include the following:

Group A Students = 100 oranges

Remaining oranges from group A = 1

Total = 101 oranges

Group B students = 105 oranges

Remaining oranges from group B = 3

Total = 108 oranges.

Group c students = 110 oranges

Remaining oranges from group C = 115 oranges.

Therefore the maximum oranges he distributed was for group C which was 115 in total number.

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More data needs to be collected to be able to conclude if more than half the students regularly recycle as the dotplot shows the results are variable.

1. Calculate the proportion of students who reported recycling in the sample:

55/100

= 0.55

2. Calculate the sample size:

100 students

3. Calculate the standard error: SE

= sqrt(0.50*(1-0.50)/100)

= 0.05

4. Calculate the 95% confidence interval:

CI = 0.55 +/- 1.96*SE

= 0.55 +/- 0.098

= (0.45, 0.65)

5. Compare the confidence interval to the true population proportion: 0.50 is not included in the CI, therefore we cannot conclude that more than half the students would say they regularly recycle.

We cannot conclude that more than half of the students would say they regularly recycle because the 95% confidence interval (0.45, 0.65) does not include the true population proportion (0.50). Therefore, more data needs to be collected to be able to draw a conclusion.

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8 children are divided into 2 teams each containing 4 children to play a game against each other. 105 different divisions are possible.

Permutation:

In mathematics, permutation refers to the process of placing all members of a set into an order or sequence. In other words, if the set is already ordered, the permutation of its elements is called permutation. Substitutions occur in more or less noticeable ways in almost all areas of mathematics. They often occur when different orders are considered in a particular finite set.

Combination:

Combining is a way of selecting items from a collection, and (unlike permutation) the order of selection does not matter. In smaller cases you can count the number of combinations. Combining refers to combining n things, taken k times at once, without repetition.

According to the Question:

The first team can be chosen in ⁸C₂ = 28 ways.

After that, there are 6 people left, from which there are ⁶C₂ = 15 ways to choose the second team.

Then, there are 4 people left, out of which ⁴C₂ = 6 ways he can choose the third team. There is only one way to choose the fourth and final team from the remaining two.

In the above procedure, each occasion of splitting eight into her two his four teams counted as 4!= 24 times.

Thus,

The number of ways to divide a group of 8 people into 4 teams of 2 people = 28 × 15 × 6 / 24

            = 105

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Answer:

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

Step-by-step explanation:

Rate of change = [tex]\frac{Change in Y value}{Change in X value}[/tex]

                    Pick any two sets of 'X' and 'Y' value

I chose (-4, 6) as [tex](X_{1} ,Y_{1} )[/tex]and (12, -2) as [tex](X_{2} ,Y_{2} )[/tex] :

Rate of change = Slope / Gradient of graph = [tex]\frac{Y_{2} -Y_{1} }{X_{2} - X_{1} }[/tex]

                                                                         = [tex]\frac{-2 - (6)}{12 - (-4)}[/tex]

                                                                          = [tex]\frac{-2 - 6}{12 + 4}[/tex]

                                                                           = [tex]\frac{-8}{16}[/tex]

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

Answer:

68823600

Step-by-step explanation:

Answer: .

Step-by-step explanation:

67.002 - 67.020 - 67.200

Answer:

67.002, 67.020, 67.200

Step-by-step explanation:

I think this is the answer

The three (3) true statements about the quadratic function and its graph include the following:

A. The value of f(–10) = 82

B. The graph of the function is a parabola.

D. The graph contains the point (20, –8).

Generally speaking, the graph of a quadratic function would always form a parabolic curve because it is a u-shaped. For this quadratic function, the graph is a upward parabola because the coefficient of x² is positive and the value of "a" is greater than zero.

Next, we would determine the other true statements about the graph of this quadratic function:

At point (-10, 82), we have:

Quadratic function, f(x) = 1/5 x² – 5x + 12

Quadratic function, f(x) = x²/5 – 5x + 12

Quadratic function, f(-10) = -10²/5 – 5(-10) + 12

Quadratic function, f(-10) = 82

At point (20, -8), we have the following:

Quadratic function, f(x) = 1/5 x² – 5x + 12

Quadratic function, f(x) = x²/5 – 5x + 12

Quadratic function, f(20) = 20²/5 – 5(20) + 12

Quadratic function, f(20) = -8

In conclusion, we can logically deduce that the graph of this quadratic function does not contain the point (0, 0) as shown in the image attached below.

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Complete Question:

Consider the quadratic function f(x) = 1/5x² – 5x + 12. Which statements are true about the function and its graph? Select three options.

The value of f(–10) = 82

The graph of the function is a parabola.

The graph of the function opens down.

The graph contains the point (20, –8).

The graph contains the point (0, 0).

If you want to make 1/2 the recipe, then [tex]1\frac{11}{16}[/tex] tablespoon of sugar you need.

In the given question, a recipe calls for [tex]3\frac{3}{8}[/tex] tablespoons of sugar.

If you want to make 1/2 the recipe, then we have to find how much sugar you need.

As given that;

1 recipe = [tex]3\frac{3}{8}[/tex] tablespoons of sugar

Before solving the question, we convert the mixed fraction into simple fraction.

To convert in simple fraction we multiply 3 by 8 then we add 3 on the result of multiplication of 3 and 8.

1 recipe = 27/8 tablespoons of sugar

We have to find sugar need for making 1/2 recipe.

1/2 recipe = [tex]\frac{27}{8}\times\frac{1}{2}[/tex] tablespoons of sugar

1/2 recipe = 27/16 tablespoons of sugar

1/2 recipe = [tex]1\frac{11}{16}[/tex] tablespoons of sugar

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The sample space is given as: S = { MEV, MEH, MSV, MSH, AEV, AEH, ASV, ASH }

The total number of sample points is 8

A sample point is one of the experiment's potential outcomes in a probabilistic experiment. Sample space is the collection of all sample points.

There are two results when you toss a coin: head (H) or tail (T) (T). There are four possible results when tossing two coins: HH, HT, TH, and TT, where the first letter denotes the result of the first toss and the second, that of the second. Each result is referred to as a sample point.

The list of all potential outcomes of an experiment is referred to as the sample space. Regardless of the number of ways an event might occur, each potential result is represented by a single point in the sample space.

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So on solving the provided question we cans say that  sides of a square are given as 18 units, area = 324 cm sq.

A square is an equilateral quadrilateral with four equal sides and four equal angles according to Euclidean geometry. It is also known as a rectangle with two neighboring sides that have the same length. Having all four equal sides and all four equal angles, a square is an equilateral quadrilateral. 90 degree or straight angles are square angles. In addition, the square's diagonals are equally spaced and split at a 90-degree angle. a neighboring rectangle with two equal sides. a quadrilateral with four right angles and four sides of equal length. a parallelogram having two adjacent, equal sides that form a right angle. straight-sided rhombus.

here,

sides of a square are given as 18 units

so area will be s^2 18*18 = 324 cm sq.

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Population is the all 12th-grade students who took the National Assessment of Educational Progress year 2000 mathematics test. This can be solved using the concept of statistics.

Statistics is a discipline of applied mathematics concerned with the gathering, description, analysis, and derivation of inferences from quantitative data. Calculus of differential and integrals, linear algebra, and probability theory are key mathematical concepts in statistics.

Statistics provide us the knowledge we need to understand how things operate. To conduct research, assess results, foster critical thinking, and make wise judgements, statistics are utilized. Almost any subject of study may benefit from the application of statistics to explore the causes, timing, and predictability of events.

So, population is the all 12th-grade students who took the National Assessment of Educational Progress year 2000 mathematics test.

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None of the above gives the complete set of true responses for the probability that the event does not happen.

The field of mathematics concerned with probability is known as probability theory. Although there are various distinct interpretations of probability, probability theory approaches the idea rigorously mathematically by articulating it through a set of axioms. A probability is a number that represents the possibility or chance that a specific event will occur. Probabilities can be stated as proportions ranging from 0 to 1, as well as percentages ranging from 0% to 100%.

Here,

None of the above provides the entire set of accurate replies for the likelihood that the event does not occur.

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Each tray will have 18 pieces after they have been cut to the same size.

To find the number of pieces on each tray after they have been cut to the same size, we need to find the least common multiple (LCM) of 3, 6, and 9. This will give us the smallest number of pieces that all three trays can be divided into without any remainder.

The LCM of 3, 6, and 9 is 18. This means that all three trays can be divided into 18 equal-size pieces without any remainder.

So, each tray will have 18 pieces after they have been cut to the same size. It is important to note that this is the smallest number of pieces that all three trays can be divided into, and any larger number would also work.

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The complete question is -

One tray of granola bars was cut into 3 equal-size pieces. A second tray was cut into 9 equal-size pieces, and a third was cut into 6 equal-size pieces. Jan wants to continue cutting until all three trays have the same number of pieces. How many pieces will there be on each tray?

The quadrilateral is parallelogram, When the vertices of quadrilateral ABCD are given.

A parallelogram is a two-dimensional shape that has a pair of two parallel and congruent sides. It is the simplest type of quadrilateral that has opposite sides equal and parallel.

The opposite angles of a parallelogram are also equal and the sum of two consecutive angles is always supplementary. It has two unequal diagonals.

A point always represents the location of a particular place or position in a standard cartesian system, and the coordinates of the point represent the distances from the respective coordinate axis.

For example, consider a point P(x,y), in which the coordinates x and y are the perpendicular distances from the x-axis and the y-axis respectively.

The formula to find out the distance between two points is generally known as the Distance formula which can be expressed as:

d=√(x₂−x₁)²+(y₂−y₁)²

Given:

The vertices of the quadrilateral

A B C D: A(-2,3),B(-5,7),C(3,6), D(6,2).

The measure of the sides of the quadrilateral

d=√(x₂−x₁)²+(y₂−y₁)²

AB=√(-5-(-2))²+(7-3)²

Ab=√(-3)²+4²

AB=√25

AB=5units.

BC=√(3+5)²+(6-7)²

BC=√(8)²+1²

BC=√65 units.

CD=√(6-3)²+(2-6)²

CD=√3²+4²

CD=√25

CD=5 units.

AD=√(6-(-2))²+(2-3)²

AD=√(-8)²+1²

AD=√65 units.

The diagonals:

BC=√(3+5)²+(6-7)²

BC=√(8)²+1²

BC=√65 units.

AC=√(3+2)²+(6-3)²

AC=√(5)²+3²

AC=√25+9

AC=√34 units

Here, AB=CD and BC=AD and AC≠BC

Thus, the given quadrilateral is parallelogram.

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So on solving the provided question we can say that [tex]\sqrt{2} , \sqrt{18} \\[/tex], [tex]5.\sqrt{5} \\[/tex] none of them are rational number.

Any number that can be expressed as a ratio (or fraction) of two integers is said to be rational. A rational number is a fraction that has a nonzero denominator. 1/2, 1/5, and 3/4 are examples of rational numbers. Additionally a rational number, "0" may be expressed in a variety of ways, including 0/1, 0/2, and 0/3. However, 1/0, 2/0, 3/0, etc. The number seven is logical. When two integers are divided, the result is known as a rational number. Divide the whole number 7 by the whole number 1 to obtain the rational number 7. Since two integers may be divided to yield 7, it is known as a rational number.

here, we have

[tex]\sqrt{2} , \sqrt{18} \\[/tex]

[tex]5.\sqrt{5} \\[/tex]

none of them are rational number

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Surrender charges safeguard against such losses. Surrender costs on some annuities and insurance products can apply for as short as 30 days or as long as 15 years. If you cash in your investment in year one, the surrender cost for annuities and life insurance is typically 10%.

The surrender period is the amount of time that an investor must wait before withdrawing cash from an annuity without penalty. Surrender periods can last many years, and withdrawing funds before the conclusion of the surrender term may result in a surrender charge, which is basically a delayed sales cost.

The longer the surrender time, in general, but not always, the better the annuity's other terms.

The surrender period is the period during which an investor may withdraw funds from an annuity without incurring a surrender charge.

The surrender term can last many years, and annuitants may face large fines if they remove their invested assets before the time has finished.

Other financial instruments include a surrender period as well B-share mutual funds and entire life insurance plans are two examples.

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Answer:

A.) Angle A Congruent to Angle D

C.) The scale factor of DE/AB is 2

Step-by-step explanation:

Image shows and supports those.

A cone with slant height 21 m and radius 4 m has a total surface area of 100 π m.

What is a cone?

A cone is a shape created by connecting the points on a circular base to a common point, known as the apex or vertex, using a series of line segments or lines (which does not contain the apex).

The formula for curved surface area of cone is = πrl

The formula for total surface area of cone is = πrl + πr²

The slant height value l = 21 m

The diameter is given d = 8 m

The radius is given as r = 4 m

The total surface area is -

TSA = πrl + πr²

TSA = πr (l + r)

TSA = π4 (21 + 4)

TSA = 4 π (25)

TSA = 100 π m

Therefore, the total surface area is 100 π m.

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1 is the quantity cosine of x to the power of two plus sine of x to the power of two divided by quantity cotangent of x to the power of two minus cosecant of x to the power of two

The given expression is as follows

(cos^2(x) + sin^2(x))/(cot^2(x) - csc^2(x))

This expression is equal to 1, because of the identity cos^2(x) + sin^2(x) = 1.

Cosecant is the reciprocal of sine, so csc^2(x) = 1/sin^2(x)

Cotangent is the reciprocal of tan, so cot^2(x) = 1/tan^2(x)

As tan^2(x) = sec^2(x) - 1, we can write the expression as:

1/(1/sin^2(x) - (sec^2(x) - 1))

Further on  simplifying this using the identity sec^2(x) = 1/cos^2(x) we get:

1/(1/sin^2(x) - (1/cos^2(x) - 1))

The denominator is now:

1/((sin^2(x) - cos^2(x))/cos^2(x)sin^2(x))

on Using the identity sin^2(x) + cos^2(x) = 1 we can simplify this as:

1/(cos^2(x)sin^2(x))

Canceling out the sin^2(x) and cos^2(x) we get 1

therefore  the final answer is 1.

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The value of probability P(A ∩ B) = 3/10 = 0.3.

Probability is a measure of the likelihood of a particular event occurring. It is expressed as a number between 0 and 1, where 0 indicates that an event is impossible and 1 indicates that an event is certain to occur.

Probability is used in many fields such as statistics, finance, economics, and science to make predictions and decisions based on uncertain information

Event A is drawing an odd card, which means that the odds are 5/10 or 1/2.

Event B is drawing a four or higher, which means that the odds are 7/10.

Event A ∩ B means that we are interested in the probability of drawing an odd card and drawing a card of four or higher at the same time. There are 3 cards that are both odd and four or higher, which are 5,7, and 9. So the probability of drawing one of these cards is 3/10.

Therefore, The value of probability P(A ∩ B) = 3/10 = 0.3.

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Answer:

Step-by-step explanation:

The rate of change in elevation of the second scuba diver in feet per minute would be -15 5/8 / 114 = -0.137 feet per minute.

A type II error in this context would be when the inspector incorrectly fails to reject the null hypothesis (H0), meaning they accept the null hypothesis that the humidity level absorbed is 3% when it is actually more than 3%.

A hypothesis test is a statistical procedure used to evaluate a hypothesis by using sample data. Brainly experts can use hypothesis tests to verify the accuracy of their answers by collecting sample data, analyzing it and making a conclusion. Hypothesis testing involves formulating a null and alternate hypothesis, generating a test statistic, and using the test statistic to make a decision. Brainly experts can use hypothesis testing to check the validity of their answers and to ensure that they are providing accurate information to their users.

This type of error would result in potentially hazardous components being approved for use and could lead to catastrophic accidents. In other words, if the inspector fails to reject H0 when it is false, it could lead to unsafe components being used and put the health and safety of people in danger.

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