Help ,i dont understand this one

The probability of obtaining tails and the number 5 is 1/12

the probability of obtaining an even number is 1/2

P(heads and prime number)  1/4

Since the events are independent, the probability of obtaining tails and the number 5 is:

P(tails and 5) = P(tails) * P(5) = (1/2) * (1/6) = 1/12

The coin toss outcome is irrelevant, so the probability of obtaining an even number is:

P(even number) = 1/2

The probability of obtaining heads and a prime number is:

P(heads and prime number) = P(heads) * P(prime number) = (1/2) * (1/2) = 1/4

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Answer:

(x,y) -> (-y,x)

Step-by-step explanation:

You get the coordinates of the image provided and apply them to the rule so...

(-3,1) to (-1,-3)

(-2,-4) to (-4,2)

(-4,-4) to (4,-4)

Then, connect the points.

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Answer:

it a because digkjg

Step-by-step explanation:

1 goes to 2 adnd it stops like that

The equation relating L to D is; L = 9 + D

Please find attached the graph of L = 9 + D, created with MS Excel

An equation is a statement of equivalence between two expressions, and a function maps a value in a set of input values to a value in the set of output values.

The initial length of the road = 9 miles

The length of road the construction crew is adding each day = 1 mile

The length in mile of the road after D days = L

The equation for the length is therefore;

The graph of the length of the road can therefore be obtained from the equation for the length by plotting the ordered pairs obtained from the equation.

Please find attached the graph of the equation created using MS Excel.

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Answer:

No because by definition, theres is no exact 90 degree angle to form a Right angle triangle

Answer:

No this triangle is not a right angle because right angle have exactly 90° value, corresponding to quarter turn.

Answer:

2 x 3/4

Step-by-step explanation:

there is 2 blocks and each blocks length is 3/4 so it would be 2 x 3/4

The expression that represents the volume of the rectangular prism, in terms of the width w, is given as follows:

6w³ cubic units.

A rectangular prism is composed by three dimensions, given as follows:

The volume of the rectangular prism is given by the multiplication of these three dimensions, as follows:

V = lwh.

From the image given at the end of the answer, the dimensions of the prism are given as follows:

Hence the expression that gives the volume of the rectangular prism is given as follows:

V = w x 2w x 3w = 6w³ cubic units.

The prism is given by the image shown at the end of the answer.

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Answer: 30 sandwiches

Step-by-step explanation:

you multply 4 times 10 and you get 40 then you buy 30 sandwiches becuase you have 40 bucks left

Answer:

678

2

679

Step-by-step explanation:

Number of people: 5426

Capacity of table: 8

How many tables are full?

How many people are sitting at a table that is not full?

or

How many tables are needed for all 5,426 people?​

160 i believe. to find the area of a triangle act like its a square and divide in half. for squares multiply base by height.

take the area of each shape and add it up

The null hypothesis will be same as the claim value which is 75%.

What is null hypothesis?

The null hypothesis is a statistical claim that no statistical significance can be found in a set of given observations. To determine the validity of a theory, hypothesis testing is carried out using sample data. Its symbol is H₀, and it is occasionally referred to as simply "the null".

We are given that the claim is that the proportion is less than 75%.

So, the statement of the null hypothesis states that the population value is the same as the claim value.

So,

H₀ : p = 75% = 0.75

If this null hypothesis is correct, then 75% of all students at the researcher's school finished their homework assignments last night.

Hence, this will mean that the null hypothesis is true.

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Question: No homework? Refer to Exercise 1. The math teachers inspect the homework assignments from a random sample of 50 students at the school. Only 68% of the students completed their math homework. A significance test yields a P-value of 0.1265.

Explain what it would mean for the null hypothesis to be true in this setting.

Answer:

x = 11

Step-by-step explanation:

sides are proportional so you can set up a proportional and cross-multiply:

JL is to PQ as LK is to QR

x/22 = 8/16

x/22 = 1/2

2x = 22

x = 11

Answer:

24 x 2.5 = 60...

Step-by-step explanation:

sorry if this is wrong...

have a good day

Answer:

C

Step-by-step explanation:

13/18 is .72222222

.5+.222=.722

Step-by-step explanation:

the correct answer is option a 6a-7

If height of a tree is 25 feet 10 inches then the tree is 310 inches tall.

To convert the height of the tree from feet and inches to inches, you need to remember that there are 12 inches in 1 foot.

Height in feet: 25 feet

Height in inches: 10 inches

Now, convert the feet to inches:

25 feet × 12 inches/foot = 300 inches

Add the remaining 10 inches:

300 inches + 10 inches

= 310 inches

So, the tree is 310 inches tall.

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Answer:

Step-by-step explanation:

If Frederick can swim 25 yards in 23 seconds, then:

25 yards = 23 seconds

To determine how long it will take him to swim 175yards, we will say:

175 yards = x

Equating both expression:

25 yards = 23 seconds

175 yards = x

Cross multiply

25x = 23*175

25x = 4025

Divide both sides by 25

25x/25 = 4025/25

x = 161 secs

This means that it will take Frederick 161 secs to swim 175 yards

The red arc or chord in the key of C, or the solution to the provided question based on the circle, is 11.

A chord is a piece of a straight line that connects two points on a circle's circumference. When it crosses the circle at two different locations, it is also occasionally referred to as a secant.

The following formula can be used to determine a chord's length:

chord length = 2*radius*sin(angle/2)

where angle is the central angle that the chord is subtended by, and radius is the radius of the circle. In geometry and trigonometry, chords are frequently used to compute circle properties including area, circumference, and arc length.

Since the circle P ≅ circle C

In circle P the radius of PN =7 and

chord LM = 11 with an angle 104°

And  In circle C  the radius =7 and Circle and chord QR are both making the same angle. P = 104°

So the circle P ≅ circle C

The red arc or chord in C is consequently 11.

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Answer:

Option A is correct

Step-by-step explanation:

Hope it is helpful....

The graph to the inequality is Graph A.

Mathematical expressions with inequalities are those in which the two sides are not equal. Unlike to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.

We have the Inequality y +2 ≤ 1/4x -1

Now, simplifying the inequality

y ≤  1/4x -3.

As, The equation of a line in Slope-Intercept form is:

y= mx+ b

where m is the slope and b is intercept.

Here we have m = 1/4 and b= -3.

Now, we have the sign of inequality is ≤ then line is solid and the shaded region is below the line.

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The intensity of 24 decibels is approximately 3.981 × 10^(-14) watts per square centimeter.

To find the intensity (I) in watts per square centimeter corresponding to 24 decibels (D = 24), we can rearrange the given equation:

D = 10(log I + 16)

24 = 10(log I + 16)

Dividing both sides by 10:

2.4 = log I + 16

Subtracting 16 from both sides:

2.4 - 16 = log I

-13.6 = log I

Now, we need to convert this equation to exponential form to find the intensity (I). In exponential form, the base of the logarithm is raised to the power of the result:

\(10^{-13.6} = I\)

Using a scientific calculator or software, we can calculate 10^(-13.6) to find the value of I.

Approximately,  \(I = 3.981 * 10^{-14}\) watts per square centimeter (in scientific notation, rounded to two decimal places).

Therefore, the intensity of 24 decibels is approximately 3.981 × 10^(-14) watts per square centimeter.

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Answer:

C. y=x

Step-by-step explanation:

If you use a graphing calculator and plot the points (-3,5) & (5,-3) and then graph y=x you can see it is the line of reflection.

Also when reflecting over the line y=x, we switch our x and y.

Answer:

Annalise is correct because the outputs are closest when x = 1.35

Step-by-step explanation:

The solution to the equation 1/(x-1) = x² + 1 means the one x value that will make both sides equal. If we look at the table, notice how when x = 1.35, f(x) values are closest to each other for both equations, signifying that x = 1.35 is approximately the solution. Thus, Annalise is correct.

Answer:

the answer is 5 5/8

i think it's this

Answer:

20w+8

Step-by-step explanation:

hope it helps..................

Answer:

20w+8

i hope this helps u :)

The factored form of an equation is done by rewriting the equation in simpler forms.

The completely factored form of \(x^3 - 64x\) is \(x(x-8)(x + 8)\)

The expression is given as:

\(x^3 - 64x\)

Factor out x from the expression, \(x^3 - 64x\)

\(x^3 - 64x = x(x^2-64)\)

Express 64 as 8^2

\(x^3 - 64x = x(x^2-8^2)\)

Express the expression as a difference of two squares

\(x^3 - 64x = x(x-8)(x + 8)\)

Hence, the completely factored form of \(x^3 - 64x\) is \(x(x-8)(x + 8)\)

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Answer:

A=45

Step-by-step explanation:

Answer:

Step-by-step explanation:

8 and 9

For the utility function U(x, y) = \(x^(4/1) * y^(4/3)\), the indifference curve equations for U = 1, U = 2, and U = 3 are derived. The shape of the indifference curves resembles rectangular hyperbolas.

For the utility function U(x, y) = \(x^(4/1) * y^(4/3)\), we derive the indifference curve equations for U = 1, U = 2, and U = 3. By setting the utility function equal to these values, we can solve for the corresponding relationships between x and y.

The resulting equations form rectangular hyperbolas, where the ratio of x to y remains constant along each curve. These curves are concave and exhibit diminishing marginal rates of substitution.

For the utility function U(x, y) = y - 2x, we derive the indifference curve equations for U = 1, U = 2, and U = 3. By setting the utility function equal to these values, we can solve for the relationships between x and y.

The resulting equations represent straight lines with a slope of 2, indicating a constant marginal rate of substitution between x and y. These indifference curves show a positive linear relationship between the two goods.

Both utility functions satisfy the assumptions of completeness, transitivity, and monotonicity. Completeness implies that the consumer can rank all bundles of goods, transitivity ensures consistent preferences, and monotonicity states that more of a good is preferred to less.

The derived indifference curves reflect these assumptions by providing a consistent ranking of bundles based on utility. The shapes of the indifference curves are well-defined, allowing for clear visual representations of the preferences of the consumer.

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The line is 5 units long.

It is 4 units Below the x axis. When reflected across the x axis the line would be 4 units above the axis. This would make the side length 4+ 4 = 8 units long.

Perimeter = 5+ 5 + 8 + 8 = 26 units