For which x is f(x)=–3?

–7
–4
4
5

Answer:

Option D

Step-by-step explanation:

For a function to be linear, the index of x should be 1. In D the coefficient of x is -1. Therefore D cannot be linear

The variable y a nonlinear function of x in (d) y = 2 /x-3 + 5

A linear function is represented as:

y = mx + c

Other forms of equation are nonlinear functions

From the list of options, the equation y = 2 /x-3 + 5 do not have the form y = mx + c

Hence, the variable y a nonlinear function of x in (d) y = 2 /x-3 + 5

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After closely analyzing the line graph, it can be seen that the number of pygmy marmosets weighing more than 1/2 ounce are 8.

To create a line plot, we plot each weight of the each pygmy marmosets on the y-axis and the pygmy marmoset number on the x-axis, which will be ultimately being connected using the points with a line.

After ploting the each mentioned weights (in ounces ) and taking a close study of the plotted line graph,  we can see that there are total 8 pygmy marmosets which are weighing more than 1/2 ounce.

Therefore, the total number of pygmy marmosets with weight more than 1/2 ounces are 8.

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The complete question is :

The table shows the weights of 10 newborn pygmy marmosets make a line plot to display the data. How many pygmy marmosets weigh more than 1/2 ounce ?

Pygmy Marmoset      Weight (ounces)

1                                 0.4

2                                 0.5

3                                 0.6

4                                 0.7

5                                 0.8

6                                 0.9

7                                 1.0

8                                 1.1

9                                 1.2

10                                 1.3

We are 95% confident that the true proportion of all Greeks who would rate their lives poorly enough to be considered "suffering" lies between 0.219 and 0.281.

a) The population parameter of interest is the proportion of all Greeks who would rate their lives poorly enough to be considered "suffering". The point estimate of this parameter is the proportion of the 1,000 randomly sampled Greeks who said they would rate their lives poorly enough to be considered "suffering", which is 0.25 or 25%.

b) The conditions required for constructing a confidence interval based on these data are:

1. Random sample: The Gallup poll surveyed a randomly sampled group of Greeks, satisfying the random sample condition.

2. Independence: The sample size is less than 10% of the population of Greece, so the independence condition is satisfied.

3. Sample size: The sample size is n = 1,000, which is large enough to use normal approximation methods.

4. Success-failure condition: The number of successes (suffering Greeks) and failures (non-suffering Greeks) in the sample are both greater than 10, so the success-failure condition is satisfied.

Therefore, all the conditions required for constructing a confidence interval based on these data are met.

c) To construct a 95% confidence interval for the proportion of all Greeks who would rate their lives poorly enough to be considered "suffering", we can use the following formula:

point estimate ± z* * standard error

where the standard error is calculated as:

sqrt((point estimate * (1 - point estimate)) / n)

Since we want a 95% confidence interval, the critical value z* can be found from the standard normal distribution table, which gives z* = 1.96.

Substituting the values, we get:

point estimate = 0.25
n = 1,000
z* = 1.96

standard error = sqrt((0.25 * (1 - 0.25)) / 1,000) = 0.0158

Therefore, the 95% confidence interval is:

0.25 ± 1.96 * 0.0158

= (0.219, 0.281)

We are 95% confident that the true proportion of all Greeks who would rate their lives poorly enough to be considered "suffering" lies between 0.219 and 0.281.
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Answer:

-0.76

Step-by-step explanation:

Answer:

-0.76

Step-by-step explanation:

this is pretty simple subtraction but you just take 14.36 and subtract it by 15.12 and you know it will be a negative number because 15.12 is bigger than 14.36 and so your answer is -0.76

Answer:

2, 4, 6, 8, 10

Step-by-step explanation:

This is a sequence that answers the question. Hope it helped

Answer:

49/30

Or

1 19/30

Step-by-step explanation:

Answer:

not proportional

Step-by-step explanation:

The probability of the spinner landing on the letter C is 1/4

To understand the probability of the spinner landing on the letter C, we need to start by looking at the total number of possible outcomes. In this case, there are four possible outcomes, corresponding to the four letters A, B, C, and D.

Since each of the four quadrants on the spinner is equal in size, each of the four letters has an equal chance of being landed on. Therefore, the probability of the spinner landing on the letter C is the number of ways that the spinner can land on C, divided by the total number of possible outcomes.

Since there is only one way for the spinner to land on C, and there are four possible outcomes in total, the probability of the spinner landing on the letter C is 1/4

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The given question is incomplete, the complete question is:

A spinner with four equal quadrants labeled A, B, C, and D is spun. What is the theoretical probability of the spinner landing on the letter C

The probability of scoring exactly 3 consecutive free throws within a set of 5 attempts is 2 * (p^3) * (q^2), where p is the probability of making a free throw and q is the probability of missing a free throw.



Let's assume that the probability of making a free throw is denoted by "p," and the probability of missing a free throw is denoted by "q" (where q = 1 - p).

To score exactly 3 consecutive free throws within the set of 5, we can have two possible scenarios:

1. The first three free throws are successful, followed by two misses.

2. The first free throw is a miss, followed by three successful free throws, and then a miss.

For the first scenario, the probability is: (p * p * p * q * q).

For the second scenario, the probability is: (q * p * p * p * q).

We need to consider both of these scenarios, so we sum their probabilities:

P = (p * p * p * q * q) + (q * p * p * p * q)

Since these scenarios are independent, we can multiply the probabilities together:

P = p^3 * q^2 + q * p^3 * q = 2 * p^3 * q^2

So, the probability of scoring exactly 3 consecutive free throws within a set of 5 attempts is 2 * p^3 * q^2.

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Answer:

w=36

Step-by-step explanation:

to get the perimeter you add all sides.

w+w+2w+6+2w+6=228

6w+12=228

6w=216

w=36

length= 2(36) +6

length= 78

width= 36

If it's wrong, I apologize honestly! Answer: 91

Step-by-step explanation:

2w+6= 2(?)+6

If the perimeter is 288, then we have to find what's the closest to it. So let's try 91. 2 ×91= 182 , so it's going to be 182 +6, which equals 188. Remember if the w is 100 the w in the width is going to be 100 also, so 188 + 100= 288 glad I could help!

Answer: 3(x-3)/4-1/2=2/3  

Step-by-step explanation:

The least common denominator will be the least common multiple of 4,2,3 which is the product of the highest occurring primes of the numbers prime factorization...

4=2*2, 2=2, 3=3, so the least common denominator is 2*2*3=12

Answer:

12

Step-by-step explanation:

got it right on my quiz

Answer:

$40/5

Step-by-step explanation:

If you're trying to figure out the cost of each class divide the amount of money you pay in all ($40 dollars) by 5. Once you do that you should get 8, so $8 per class.

Answer:

B

Step-by-step explanation:

Answer:

No no no no nonononononono nononon non ono no non nononononon

Step-by-step explanation:

uhh its B  MuHmuHmUaaahaha

wth who put the muffins in the freezer?? -_-

Given: Radius of the wheel = 30 inches, Revolutions per minute = 401 rpmThe linear speed of the car in miles per hour can be calculated as follows:

Step 1: Convert the radius from inches to miles by multiplying it by 1/63360 (1 mile = 63360 inches).30 inches × 1/63360 miles/inch = 0.0004734848 milesStep 2: Calculate the distance traveled in one minute by the wheel using the circumference formula.Circumference = 2πr = 2 × π × 30 inches = 188.496 inchesDistance traveled in one minute = 188.496 inches/rev × 401 rev/min = 75507.696 inches/minStep 3: Convert the distance traveled in one minute from inches to miles by multiplying by 1/63360.75507.696 inches/min × 1/63360 miles/inch = 1.18786732 miles/minStep

4: Convert the distance traveled in one minute to miles per hour by multiplying by 60 (there are 60 minutes in one hour).1.18786732 miles/min × 60 min/hour = 71.2720392 miles/hour Therefore, the linear speed of the car is 71.3 miles per hour (rounded to the nearest tenth).Answer: 71.3

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The radius of the wheel on a car is 30 inches. If the wheel is revolving at 401 revolutions per minute, The linear speed of the car is approximately 19.2 miles per hour.

To find the linear speed of the car in miles per hour, we need to calculate the distance traveled in one minute and then convert it to miles per hour. Here's how we can do it step by step:

Calculate the circumference of the wheel:

The circumference of a circle is given by the formula

C = 2πr

where r is the radius of the wheel.

In this case, the radius is 30 inches, so the circumference is

C = 2π(30)

   = 60π inches.

Calculate the distance traveled in one revolution:

Since the circumference represents the distance traveled in one revolution, the distance traveled in inches per revolution is 60π inches.

Calculate the distance traveled in one minute:

Multiply the distance traveled in one revolution by the number of revolutions per minute.

In this case, it is 60π inches/rev * 401 rev/min = 24060π inches/min.

Convert the distance to miles per hour:

There are 12 inches in a foot, 5280 feet in a mile, and 60 minutes in an hour.

Divide the distance traveled in inches per minute by (12 * 5280) to convert it to miles per hour.

The final calculation is (24060π inches/min) / (12 * 5280) = (401π/66) miles/hour.

Approximating π to 3.14, the linear speed of the car is approximately (401 * 3.14 / 66) miles per hour, which is approximately 19.2 miles per hour.

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Answer:

96Km

Step-by-step explanation:

l wrote 90/60 because the speed is given in hours.

so I had to deal with hours only not hours and minutes.

that's why I wrote 90/60 .

you can also choose to divide.

I mean to change the minutes to hours so that the formula can work.

good day.

Answer:

B is the answer

Step-by-step explanation:

I converted each option to decimals so answer b looks like

2.25> 2.23> -2> -2.2

Answer:

p + 2c = 3.25                            Start with these two equations

3p + 4c = 7.25

p = -2c + 3.25                           Solve for one variable

3(-2c +3.25) + 4c = 7.25           Substitute

-6c + 9.75 + 4c = 7.25

-2c = -2

c = 1

p + 2(1) = 3.25                           Substitute

p + 2 = 3.25

p = 1.25

A bag of chips costs $1

A pickle costs $1.25

Step-by-step explanation:

please mark me

Answer: The answer is (264)×(261)(525), because (264)×(261) are the possibilities for choosing 4 red cards and 1 black card from a deck of 52 cards, while (525) are the possibilities for choosing 5 cards from a deck of 52 cards.

So, your first solution is almost correct. On why your second solution is wrong, you'll have to explain your thought process.

Step-by-step explanation:

Answer:

points at (0,-1) and (1,4) will have a slope of 1/4 and a negative y-intercept

Step-by-Step Explanation:

The equation of parabola with with focus (1,4)and latus rectum of 4 is given as y=(x−1)2+4, hence option C is correct.

We know that the focus of the parabola is at (1, 4), and the latus rectum is 4 units long. The latus rectum is the line segment that passes through the focus and is perpendicular to the axis of symmetry. Its length is equal to 4 times the distance from the focus to the directrix. Since the latus rectum is 4 units long, the distance from the focus to the directrix is 1 unit.

Therefore, the directrix is the horizontal line y = 3, which is 1 unit below the focus. The axis of symmetry is the vertical line x = 1. The standard form of the equation of a parabola with vertex at the origin, axis of symmetry along the x-axis, and focus at (p, 0) is:

x² = 4py

In this case, the vertex is (1, 0) and the focus is (1, 4). Therefore, we can write,

x - 1 = 4p(y - 0)

x - 1 = 4py

We know that the distance from the focus to the vertex is p, which is 4 units in this case. Therefore, the equation of the parabola is,

(x - 1)² = 16y

Simplifying this equation, we get,

y = (1/16)(x - 1)²

Therefore, the answer is C. y = (x - 1)²/16.

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Complete question - Which equation represents the parabola with focus (1,4) and latus rectum of 4?

A. y=−14(x−1)²+3

B. y=4(x−1)²+3

C. y=(x−1)²+4

D. y=14(x−1)²+3

False. very few tools are available to assist system analysts and end users in analyzing data.

There are many tools available to assist system analysts and end users in analyzing data. Some commonly used tools include spreadsheets (such as Microsoft Excel), data visualization software (such as Tableau or Power BI), statistical analysis software (such as R or SPSS), and business intelligence software (such as SAP or Oracle).

These tools allow analysts and end users to process, manipulate, and visualize large volumes of data, as well as to perform complex statistical analyses and modeling. Additionally, with the advent of big data technologies, such as Hadoop and Spark, analysts and end users can now analyze vast amounts of data in real-time, using distributed computing systems.

In summary, there are many tools available to assist system analysts and end users in analyzing data, and these tools continue to evolve and improve over time.

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Answer:

can you please send the images of figure of these angle

Question: In a sale, the price of a book is reduced by 25%. The price of the book in the sale is £12. Work out the original price of the book

Answer: £16

Step-by-step explanation:

To determine the original price of the book, we can use the fact that the sale price is 75% (100% - 25%) of the original price. Let's denote the original price as x.

75% of x = £12

To solve for x, we can set up the equation:

0.75x = £12

To isolate x, we divide both sides of the equation by 0.75:

x = £12 / 0.75

x = £16

Therefore, the original price of the book was £16.

The minimum wage will be £403.20.

A ratio is a mathematical relationship that demonstrates how frequently one number contains or is contained inside another. Two numbers are compared using it.

Given:

Each student can deliver 15 catalogues or 80 leaflets per hour. Therefore, in 8 hours, each student can deliver:

15 catalogues/hour x 8 hours = 120 catalogues

80 leaflets/hour x 8 hours = 640 leaflets

To determine which of these two options will yield a higher number of catalogues and leaflets delivered:

we can calculate the ratio of catalogues delivered to leaflets delivered for each option.

Option 1:

15 catalogues/hour x 8 hours = 120 catalogues delivered;

120 catalogues / 480 total catalogues = 0.25 (catalogue delivery ratio)

Option 2: 80 leaflets/hour x 8 hours = 640 leaflets delivered;

640 leaflets / 1520 total leaflets = 0.42 (leaflet delivery ratio)

Since Option 2 has a higher delivery ratio, we will use this option to determine the minimum number of students required.

To deliver 1520 leaflets in 8 hours, each student needs to deliver:

1520 leaflets / 8 hours = 190 leaflets

Therefore, the minimum number of students required is:

480 catalogues / 120 catalogues per student = 4 students

1520 leaflets / 190 leaflets per student = 8 students

Since we need at least 8 students to deliver the required number of leaflets, we will hire 8 students. The number of catalogues delivered by these students will be:

15 catalogues per student per hour x 8 hours x 4 students = 480 catalogues

The total wage for the 8 students will be:

8 students x £50.40 per day = £403.20

Therefore, the wage for the minimum number of students required to deliver the catalogues and leaflets is £403.20.

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Answer:

answer :£352.80

Step-by-step explanation:

1520÷80=19 hours =3 students needed

480÷15=32=4 students needed

7×50.40=352.80

Answer:

f(3) = 10

Step-by-step explanation:

given f(x) = 12/x + 6,

we want to find f(3)

to do so we plug in x = 3

so,

==> f(3) = 12/3 + 6

==> f(3) = 4 + 6

==> f(3) = 10

The events of picking marbles from the jar is independent

An event is independent if the occurrence of one event does not depend on another event.

For example, if you toss a coin and it lands on its head. You then flip another coin and it lands on its tail. These two events are independent. The face the second coin lands on do not depend on which face the first coin lands on. Also, the face that the first coin lands on does not depend on which face the second coin lands on.

In this question, after the first marble is picked, you do not return the first marble into the jar. Then you pick a second marble. The colour of the second marble does not depend on the colour of the first marble you picked. This means that the events are independent.

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The volume of the stack of hexagonal blocks is smaller than the volume of the square stack.

First, we have a stack of 6 hexagonal blocks, such that each block has a base of 32.56 in² and a thickness of 0.12 in, then the total volume of that stack is the product betweeen these 3 values:

V = 6*(32.56 in²)*0.12 in = 23.44 in³

While the other stack has 6 squares of sidelength of 5.75 inches and the same thickness.

Here the volume will be:

V' = 6*(5.75 in)²*0.12in = 23.81 in³

We can see that the second volume is larger, then the correct option would be smaller.

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Answer:

yes it is true

hope my answer help you

Answer:

because of vertical angles, 108

Step-by-step explanation:

Answer:

108 degrees

Step-by-step explanation:

Opposite angles are equal.

Thus, x = 108 degrees.

Answer:

4(x+7) that is the answer