What is the solution to -4(8-3x)>6x – 8?




The probability that tails appears on the next toss is 0.5

Given,

In the question:

If I toss a fair coin five times and the outcomes are TTTTT,

To find the probability that tails appears on the next toss is.

Now, According to the question:

The possible ordered outcomes are listed as elements in a sample space, which is commonly indicated using set notation.

A sequence of five fair coin flips has a sample space that contains all potential outcomes. \(2^3\) {H, T}  is the sample of a fair coin toss. {HHHHH, HHHHT, HHHTH, HHTHH, HTHHH,...…TTTTT} .

The probability of a tails result on the next flip is always equal to 0.5 It makes no difference if previous outcomes were {TTTTT} , {HHHHH}  or {THTHT} In each of these and all other circumstances, the probability of the next being tails is still 0.5

Hence,  the probability that tails appears on the next toss is 0.5

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The returns when 30 tickets were sold would be $ 70 .

To calculate the total earnings from 30 sold tickets using the formula a ( n ) = 3 n - 20 , we must input n as 30 and assess the outcome .

Therefore, the returns raised when there were 30 tickets sold would be :
= 3 n - 20

= 3 ( 30 ) - 20

= 3 x 30 - 20

= 90 - 20

= 90 - 20

= $ 70

Therefore, with 30 tickets sold, the amount of money raised is $70.

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Question is:

How much was raised when 30 tickets were sold?

Answer:

This is an absolute value graph

Step-by-step explanation:

The equation 3x+2y=14 can be written as in the slope-intercept form is y = (-3/2)x + 7.

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 equation of the line is:

3x + 2y = 14

The slope-intercept form is:

y = mx + c

Here m is the slope of the line and c is the y-intercept.

After arranging:

2y = -3x + 14

y = (-3/2)x + 7

Thus, the equation 3x+2y=14 can be written as in the slope-intercept form is y = (-3/2)x + 7.

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Answer:

4/5

Step-by-step explanation:

rise over run, up 4 over 5

Inversely proportional means as one variable increases the other variable decreases.

In this problem, x is doubled which means it's increased, therefore, y is decreased.

7 / 2 = 3.5

The new value of y is 3.5

Answer:

<A=45°,<B=65°,<C=70°

Step-by-step explanation:

<A=3(x+5)=3x+15

<B=5x+15

<C=7x

sum angles in a triangle is 180°

so,<A+<B+<C=180

(3x+15)+(5x+15)+(7x)=180

C.L.T

3x+5x+7x+15+15=180

15x+30=180

15x=180-30

15x=150

divide both sides by 15

x=10

<A=3(x+5)=3(10+5)=3(15)=45°

<B=5(10)+15=50+15=65°

<C=7(10)=70°

Answer:

False.

6 miles is farther than 6 kilometers. One mile is equal to 1.60934 kilometers, so 6 miles is equal to 6 x 1.60934 = 9.65604 kilometers. Therefore, 6 miles is farther than 6 kilometers.

Step-by-step explanation:

The answer is:

Work/explanation:

We can't really compare two things if they have different units.

So we need to convert kilometers to miles first.

1 km is approximately equal to 0.621 miles.

So 6 km would be approximately 3.728 miles.

6 miles is further away than 3.728 miles.

6 km is not as far as 6 miles. And now we know why.

Answer:

x = 25.7

Step-by-step explanation:

We know the adjacent side to the angle and the hypotenuse on a right triangle

cos theta = adj / hyp

cos 18 = x/27

27 cos 18 =x

25.67852594=x

Rounding to the nearest tenth

x = 25.7

The authors likely present a step-by-step procedure to construct such an equation. Without access to the full paper, it is not possible to provide specific details.

The paper you mentioned, "Etienne Couturier and Nicolas Jacquet. Construction of a universal ordinary differential equation C [infinity] of order 3. arxiv preprint arxiv:1610.09148, 2016," is about the construction of a universal ordinary differential equation (ODE) of order 3.

In this paper, the authors propose a method to construct a universal ODE that is of class C [infinity] (infinitely differentiable) and has a third-order derivative. The term "universal" means that the equation can approximate any smooth function arbitrarily well.

The authors likely present a step-by-step procedure to construct such an equation. However, without access to the full paper, it is not possible to provide specific details.

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Answer: Let's simplify step-by-step.

(((−3x)(2))(x))(a)+5(−7b)+12xcx(4)

=−6ax2+−35b+48cx2

Answer:

=−6ax2+48cx2−35b

Hope I helped?

The diagram that shows all the possible outcomes when each arrow is spun once would be diagram D.

To determine the possible outcome of the given events, the following steps are carried out.

The first spinner has the outcomes listed as follows = A,B,C,D

The second spinner has the outcomes listed as follows=

Red(R) and Pink(P)

When both outcomes are merged the whole possible outcomes include the following;

= A(R and P)

B (R and P)

C ( R and P)

D ( R and P)

Therefore,the diagram that shows all the possible outcomes when the both spinners are spun once would be diagram D

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Answer:

Help me with my question please

Step-by-step explanation:

Simplification of trigonometric expression cos²θ - 1 = cos(2θ) - cos²θ.

For simplifying the trigonometric expression cos²θ - 1, we can use the Pythagorean Identity.

The Pythagorean Identity states that cos²θ + sin²θ = 1.

Now, let's rewrite the expression using the Pythagorean Identity:

cos²θ - 1 = cos²θ - sin²θ + sin²θ - 1

Next, we can group the terms together:

cos²θ - sin²θ + sin²θ - 1 = (cos²θ - sin²θ) + (sin²θ - 1)

Now, let's simplify each group:

Group 1: cos²θ - sin²θ = cos(2θ) [using the double angle formula for cosine]

Group 2: sin²θ - 1 = -cos²θ [using the Pythagorean Identity sin²θ = 1 - cos²θ]

Therefore, the simplified expression is:

cos²θ - 1 = cos(2θ) - cos²θ

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Answer:

not equivalent to meteorologists ratio

Step-by-step explanation:

meteorologists ratio is

rainy days : sunny days = 2 : 5

last months weather is

rainy days : sunny days

= 10 : 20 ( divide both parts by LCM of 10 )

= 1 : 2 ← not equivalent to 2 : 5

The equilibrium price is $0 and the equilibrium quantity is 5 units.

To find the equilibrium price and quantity, we need to set the quantity demanded equal to the quantity supplied and solve for the equilibrium values.

Setting Q_d = Q_s, we can equate the equations for demand and supply:

-2Q - 2Q_d = -5 + 3Q_s

Since we know that Q_d = Q_s, we can substitute Q_s for Q_d:

-2Q - 2Q_s = -5 + 3Q_s

Now, let's solve for Q_s:

-2Q - 2Q_s = -5 + 3Q_s

Combine like terms:

-2Q - 2Q_s = 3Q_s - 5

Add 2Q_s to both sides:

-2Q = 5Q_s - 5

Add 2Q to both sides:

5Q_s - 2Q = 5

Factor out Q_s:

Q_s(5 - 2) = 5

Q_s(3) = 5

Q_s = 5/3

Now that we have the value for Q_s, we can substitute it back into either the demand or supply equation to find the equilibrium price. Let's use the supply equation:

P = -5 + 3Q_s

P = -5 + 3(5/3)

P = -5 + 5

P = 0

Therefore, the equilibrium price is $0 and the equilibrium quantity is 5 units.

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Step-by-step explanation:

f(x)=2x+1 and g(x)=x²-7

(f/g)(x) = (2x+1)/(x²-7)

Answer:

pls answer my questions plsss

Herman Hollerith proposed the use of punched cards for counting the census.

The punched card system for counting the census was proposed by Herman Hollerith. Hollerith was an American inventor and statistician who developed the punched card tabulating machine. He presented his idea in the late 19th century as a solution to the challenge of processing and analyzing large amounts of data efficiently.

Hollerith's system involved encoding information on individual cards using punched holes to represent different data points. These cards were then processed by machines that could read and interpret the holes, enabling the automatic counting and sorting of data. The punched card system revolutionized data processing, making it faster and more accurate than manual methods.

Hollerith's invention laid the foundation for modern computer data processing techniques and was widely adopted, particularly by government agencies for tasks like the census. His company eventually became part of IBM, which continued to develop and refine punched card technology.

In summary, Herman Hollerith proposed the use of punched cards for counting the census. His invention revolutionized data processing and laid the groundwork for modern computer systems.

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The teacher could use a hypothesis test for a population mean in the following situation:

The teacher wants to determine if computer-based instruction has a statistically significant effect on the average test scores of students in the class. The teacher can collect a sample of test scores from students who received computer-based instruction and a sample of test scores from students who did not receive computer-based instruction. Then, the teacher can use a hypothesis test for the population mean to compare the mean test scores of the two groups and determine if the difference is statistically significant.

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Complete question:

teacher is experimenting with computer-based instruction In which situation could the teacher use a hypothesis test for a ifference in two population means?

O The teacher uses a combination of treditional methods and computer based instruction She asks students # they lked computer based instruction better She wants to determine if the maorty prete the computer-based instruction

O She gives each student a pretest Then she teaches a lesson using a computer program Afterwards, she gives each student a postest The teacher wants to see f the difference in scores willshow an improvement 。

She ran om y d des the class into t goups One gup ecerves computer based instruction The other group recen es tradit na n rete wit t copters Ahe rst eten een student ha to solve a single problem. The teachers wants to compare the proportion of each group who can solve the problem 。She gives each student a pretest he then randomly dvides the class mto two groups.

Ο e group receves compte based i struct . The other go p eceves tradtind rst cto with t computers After instruction each student takes a post test. The teacher compares the improvement in scores (post test minus pretest) in the two groups

Answer:A

Step-by-step explanation:

Answer:

\(m^2 +13m-36\) does not factor.

Explanation:

\(m^2 +13m-36\) is not factorable with rational numbers.

Answer:

315

Step-by-step explanation:

If 70 children is 2 parts, one part is 35

35*9 is 315

Answer:

315 adults

Step-by-step explanation:

2:9 where 2 is children and 9 is adults.

2 = 70, therefore 1 = 35

35 x 9 = 315

The statement three times the sum of the opposite of a number and -7

is 3( - n - 7).

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, Three times the sum of the opposite of a number and -7.

Let the number be 'n' and its opposite number be '-n'.

This statement can be numerically represented as,

3( - n + (- 7)).

= 3( - n - 7).

= - 3n - 21.

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The newly exposed section will be a triangle.

Cross section is defined as the section or shape which is exposed when something is cut through a straight plane or line.

Square pyramid consists of a square base and 4 triangular faces.

A straight single cut is done through the top to the bottom.

When the square pyramid is cut to half from it's apex, then the resulting sections will be triangles.

There will be only three sides since two sides will be joined at apex.

Hence the resulting cross section is triangle.

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The β risk is approximately 0.88094 and the power is approximately 0.11906.

To find the β risk and power for a left-tailed test in this scenario, we need to calculate the critical value and the test statistic.

Given:

Claimed mean coverage: μ = 410 square feet per gallon

Standard deviation: σ = 20

Sample size: n = 34

True mean coverage: μ₁ = 395 square feet per gallon

Calculate the critical value:

For a left-tailed test at α = 0.05, the critical value is found using the z-table or calculator. In this case, the critical value is -1.645.

Calculate the test statistic (z-score):

The test statistic (z-score) can be calculated using the formula:

z = (x' - μ) / (σ / √n)

where x' is the sample mean.

Substituting the values, we get:

z = (395 - 410) / (20 / √34) ≈ -1.178

Calculate the β risk:

The β risk is the probability of not rejecting the null hypothesis when it is false. We can find β using the z-score and the standard normal distribution. In this case, β ≈ 0.88094.

Calculate the power:

The power is the probability of correctly rejecting the null hypothesis when it is false. Power = 1 - β. In this case, the power ≈ 1 - 0.88094 ≈ 0.11906.

This means that there is a high risk of not detecting a true mean of 395 square feet per gallon (false negative) and a low probability of correctly detecting it (power).

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All possible values of 'x' for the trigonometric function on the interval [0,2pi):

The trigonometric function is given as:

csc²(x) - csc(x) - 2 = 0

On factorizing.

(csc(x) + 1)(csc(x) - 2) = 0.

Equation both equals to 0.

csc(x) = - 1 or csc(2x) = 2;

Thus, all possible values of 'x' for the trigonometric function on the interval [0,2pi):

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csc^2x-cscx-2=0 on the interval [0,2pi). Find the all possible values of 'x'.

The LHS and the RHS of the given expression do not match 240.469= -215 and so the given expression is FALSE.

An expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles.

The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values.

We learned how to express an unknown value using letters like x, y, and z in the fundamentals of algebra.

Here, we refer to these letters as variables.

So, we have the expression:

(−18−−−√3)3+334=(−183)3 + 334

Now, check it as follows:

(−18√3)3+334=(−183)3 + 334

-93.531+334=-549+334

240.469= -215

Ans: FALSE

Therefore, the LHS and the RHS of the given expression do not match 240.469= -215 and so the given expression is FALSE.

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Correct question:

Evaluate the expression: (−18−−−√3)3+334=(−183)3 + 334=?

By using the concept of Compound interest, Number of payment periods in a 6-year, 8% bond with an effective interest rate of 6%, and paid semiannually = 12

What is Compound interest?

The interest earned on savings that is calculated using both the initial principal and the interest accrued over time is known as compound interest. It is thought that Italy in the 17th century is where the concept of "interest on interest" or compound interest first appeared. It will accelerate the growth of a sum more quickly than simple interest, which is only calculated on the principal sum. Money multiplies more quickly thanks to compounding, and the more compounding periods there are, the higher the compound interest will be.

This problem can be solved by using the concept of compound interest

Number of  payment periods are in a 6-year, 8% bond with an effective interest rate of 6%, and paid semiannually = \(6 \times 2 = 12\)

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Answer:

i would have helped u

Step-by-step explanation:

but i have forgotten the steps in solving this question

Answer:

is this Afrikaans laguage I don't understand your questions please comment it in English for me